Academic literature on the topic 'Rydberg atoms and molecules'

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Journal articles on the topic "Rydberg atoms and molecules"

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Hollerith, Simon, Johannes Zeiher, Jun Rui, et al. "Quantum gas microscopy of Rydberg macrodimers." Science 364, no. 6441 (2019): 664–67. http://dx.doi.org/10.1126/science.aaw4150.

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The subnanoscale size of typical diatomic molecules hinders direct optical access to their constituents. Rydberg macrodimers—bound states of two highly excited Rydberg atoms—feature interatomic distances easily exceeding optical wavelengths. We report the direct microscopic observation and detailed characterization of such molecules in a gas of ultracold rubidium atoms in an optical lattice. The bond length of about 0.7 micrometers, comparable to the size of small bacteria, matches the diagonal distance of the lattice. By exciting pairs in the initial two-dimensional atom array, we resolved more than 50 vibrational resonances. Using our spatially resolved detection, we observed the macrodimers by correlated atom loss and demonstrated control of the molecular alignment by the choice of the vibrational state. Our results allow for rigorous testing of Rydberg interaction potentials and highlight the potential of quantum gas microscopy for molecular physics.
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Chiu, Ying-Nan. "Crystal-field theory for the Rydberg states of polyatomic molecules." Canadian Journal of Physics 64, no. 7 (1986): 782–95. http://dx.doi.org/10.1139/p86-140.

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The potential on a Rydberg electron due to the cluster of atoms near the center of a polyatomic molecule is expanded in powers of spherical harmonics. Nonvanishing potentials in totally symmetric irreducible representations are obtained using the crystal field of the cluster of atoms in D3h, C3v, D4v, C4v, Td, and D2d symmetries. Odd as well as the usual even powers of spherical harmonics are included up to [Formula: see text]. Spectroscopically observable differences in potentials between a planar versus a nonplanar XY3 molecule and among a square planar, pyramidal, tetrahedral, and dihedral XY4 molecule are exhibited. First-order energies are given for a Rydberg [Formula: see text] state showing λ dependence. Second-order energies due to mixing of Rydberg states by odd and even power potentials and splitting of ±λ degeneracies are shown analytically for an nd as well as an nf Rydberg electron. The formalism is applicable to nonpenetrating Rydberg orbitals. Approximate radial integrals are obtained. Exact angular integrals for the first- and second-order energies are given. Symmetry-adapted combinations of the separated Y3 and Y4 ligand atomic orbitals are derived up to d orbitals. The correlations between these linear combinations of atomic orbitals as molecular configurations change are shown, e.g., as an XY4 molecule distorts from (D4h, C4v) to (D2d, Td) and vice versa.
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Zeppenfeld, M. "Nondestructive detection of polar molecules via Rydberg atoms." EPL (Europhysics Letters) 118, no. 1 (2017): 13002. http://dx.doi.org/10.1209/0295-5075/118/13002.

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Ramswell, J. A., V. G. Stavros, Q. Hong, and H. H. Fielding. "Rydberg electron wavepacket dymanics in atoms and molecules." Philosophical Transactions of the Royal Society of London. Series A: Mathematical, Physical and Engineering Sciences 356, no. 1736 (1998): 363–76. http://dx.doi.org/10.1098/rsta.1998.0170.

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Jiao, Yuechun, Liping Hao, Jiabei Fan, Jingxu Bai, Jianming Zhao, and Suotang Jia. "Autoionization of Ultracold Cesium Rydberg Atom in 37D5/2 State." Photonics 9, no. 5 (2022): 352. http://dx.doi.org/10.3390/photonics9050352.

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We present the observation of an autoionization of cesium 37D5/2 Rydberg atoms in ultracold gases and analyze the autoionization mechanism. The autoionization process is investigated by varying the delay time tD and Rydberg atomic density. The dependence of ionization signals on Rydberg density shows that the Rydberg density has an effect on not only the initial ion signals but also the evolution of the Rydberg atoms. The results reveal that the initial ionization of 37D5/2 Rydberg atoms is mostly attributed to the blackbody radiation (BBR)-induced photoionization, and the BBR-induced transitions to the nearby Rydberg states that lead to further ionization. Our work plays a significant role in investigating the collision between Rydberg atoms and many-body physics.
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Dimitrijević, Milan S., Vladimir A. Srećković, Alaa Abo Zalam, Nikolai N. Bezuglov, and Andrey N. Klyucharev. "Dynamic Instability of Rydberg Atomic Complexes." Atoms 7, no. 1 (2019): 22. http://dx.doi.org/10.3390/atoms7010022.

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Atoms and molecules in highly excited (Rydberg) states have a number of unique characteristics due to the strong dependence of their properties on the values of principal quantum numbers. The paper discusses the results of an investigation of collisional Rydberg complexes specific features, resulting in the development of dynamic chaos and the accompanying diffusion autoionization processes. It is shown (experiment and theory) that, in subthermal low energies, the global chaotic regime that evolved in quasimolecular systems leads to significant changes in the Rydberg gases radiation/ionization kinetics. The effect of Förster resonance on the width of the fluorescence spectra and stochastic ionization processes in Rydberg systems is also discussed.
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Liu Yang, Shen Zhen-Jie, Wang Xin-Cheng, and Jiang Yu-Hai. "Electron/Ion Imaging Technology and Its Applications in Cold Atoms, Molecules, and Related Fields." Acta Physica Sinica 74, no. 15 (2025): 0. https://doi.org/10.7498/aps.74.20250415.

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With the continuous advancement and maturation of laser cooling techniques for atoms and molecules and full-dimensional electron and ion imaging technology, the application of momentum imaging techniques to investigate the characteristic properties of cold atoms and collision dynamics has emerged as a burgeoning research direction. This progress has driven the development of a series of high-resolution electron and ion detection devices, leading to innovative breakthroughs in fields such as cold molecule reactions, Rydberg atoms, nuclear decay, photoionization of Bose-Einstein condensates (BECs) and cold plasmas, collisions between cold atoms and ions/electrons, coherent control of cold atoms, and strong-field ultrafast physics. This article reviews representative instruments and their corresponding seminal achievements in these domains:<br>In cold molecular/cold chemical reactions, imaging technology has unveiled novel perspectives on reaction mechanisms;<br> For cold Rydberg atom interactions, it has demonstrated high-precision quantum state manipulation capabilities, advancing quantum information processing;<br> In nuclear decay research, it provides ultra-sensitive detection methods, deepening understanding of decay processes;<br> For BEC photoionization and cold plasma control, it enables precise monitoring and manipulation of microscopic processes;<br> In cold atomic collision studies, it reveals new details in collision dynamics, refining collision theories;<br> Regarding coherent control of cold atoms, it achieves accurate quantum state manipulation and interference;<br> In strong-field ultrafast processes, it deciphers complex electron dynamics under intense fields, offering innovative approaches for ultrafast laser control.<br> Furthermore, This article summarizes the applications of imaging technologies across the aforementioned research areas involving cold atoms, while providing prospects for future developments in this evolving field.
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Desfrançois, C., H. Abdoul-Carime, N. Khelifa, and J. P. Schermann. "From1rto1r2Potentials: Electron Exchange between Rydberg Atoms and Polar Molecules." Physical Review Letters 73, no. 18 (1994): 2436–39. http://dx.doi.org/10.1103/physrevlett.73.2436.

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Fu, Yijiao, and Jinhui Wu. "One-Step Implementation of Collective Anti-Blockade in a Rydberg Ring." Photonics 10, no. 10 (2023): 1172. http://dx.doi.org/10.3390/photonics10101172.

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In contrast to Rydberg blockade, Rydberg anti-blockade allows multiple atoms to be simultaneously excited in the presence of significant nonlocal interactions and can lead to distinct phenomena and applications. This inspires us to examine here general conditions, numerical verifications, and realistic restrictions regarding the collective anti-blockade excitations of N Rydberg atoms equally arranged along a ring. We find that by adjusting the detuning of a pump field to compensate for nonlocal interactions between one atom and all others, it is viable to realize resonant excitations of N atoms but suppress far-detuned excitations of N−1 and fewer atoms under different conditions for an odd and an even number of atoms. Population dynamics of this Rydberg ring further show that one-step anti-blockade implementation can be attained at a cutoff time of the pump field, which increases quickly with the number of atoms. Hence, roughly perfect anti-blockade excitations are attainable only for a not-too-large N due to inevitable spontaneous Rydberg decay.
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Saakyan, Sergey, Nikita Morozov, Vladimir Sautenkov, and Boris B. Zelener. "Rydberg Interaction-Induced Distortion of the Autler–Townes Spectra in Cold Lithium Atoms." Atoms 11, no. 4 (2023): 73. http://dx.doi.org/10.3390/atoms11040073.

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In this article, effects of the strong long-range interaction of Rydberg atoms on the Autler–Townes splitting spectrum are investigated. Preliminary results are obtained for various excitation times and Rydberg atom densities. The 2S1/2 and 2P1/2 levels of lithium-7 are coupled with strong laser field and probed by another laser via excitation into a 70S Rydberg level. Interactions between Rydberg atoms excited by the probe beam lead to the broadening of the Autler–Townes spectra. At high concentrations of Rydberg atoms, a suppression of the excitation of the Autler–Townes peak at red detuning is observed.
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Dissertations / Theses on the topic "Rydberg atoms and molecules"

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Paskauskas, Rytis. "Chaotic Scattering in Rydberg Atoms, Trapping in Molecules." Diss., Georgia Institute of Technology, 2007. http://hdl.handle.net/1853/19809.

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We investigate chaotic ionization of highly excited hydrogen atom in crossed electric and magnetic fields (Rydberg atom) and intra-molecular relaxation in planar carbonyl sulfide (OCS) molecule. The underlying theoretical framework of our studies is dynamical systems theory and periodic orbit theory. These theories offer formulae to compute expectation values of observables in chaotic systems with best accuracy available in given circumstances, however they require to have a good control and reliable numerical tools to compute unstable periodic orbits. We have developed such methods of computation and partitioning of the phase space of hydrogen atom in crossed at right angles electric and magnetic fields, represented by a two degree of freedom (dof) Hamiltonian system. We discuss extensions to a 3-dof setting by developing the methodology to compute unstable invariant tori, and applying it to the planar OCS, represented by a 3-dof Hamiltonian. We find such tori important in explaining anomalous relaxation rates in chemical reactions. Their potential application in Transition State Theory is discussed.
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Ganeshalingam, Sashikesh. "Charge transfer of Rydberg hydrogen molecules and atoms at doped silicon surfaces." Thesis, University of Oxford, 2012. http://ora.ox.ac.uk/objects/uuid:9f1f6bb6-47a0-47f6-ad55-52f416d08815.

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The work of this thesis focuses on the interaction of high Rydberg states of hydrogen molecules and atoms with various doped Si semiconductor surfaces with the results compared with those obtained with an atomically flat gold surface. The major part of the thesis was carried out using para-H₂ molecular Rydberg states with principal quantum number n = 17 - 21 and core rotational quantum number N⁺ = 2. Subsequently, this study was continued using H atomic Rydberg states with principal quantum number n = 29 - 34. The high Rydberg states have been produced using two-step laser excitation. For close Rydberg surface separation (< 6 n² a.u.), the Rydberg states may be ionized due to an attractive surface potential experienced by the Rydberg electron, and the remaining ion core may be detected by applying an external electric field. An efficient ion detectability method is introduced to compare the many surface ionization profiles quantitatively. The p-type doped Si surfaces enhance the detected ion-signal more than the n-type doped Si surfaces due to the presence of widely distributed positive dopant charge fields in the p-type doped Si surfaces. As the dopant density increases, the area sampled by the resultant ions becomes effectively more neutral, and the decay rate of the potential from the surface dopant charge with distance from the surface becomes more rapid. Therefore, the minimum ionization distance is also reduced with increasing dopant density. It is found that the detected ion-signal decreases with increasing dopant density of both p- and n- type doped Si surfaces. The higher-n Rydberg states have shown higher ion detectability than that of lower-n Rydberg states and this variation also becomes smaller when increasing the dopant density. Experiments involving H2 Rydberg molecules incident on various doped Si surfaces in the presence of a Stark field at the point of excitation are also presented here. The surface ionization profiles produced via both electron and ion detection schemes are measured by changing the Stark polarization. Positive surface dopant charges oppose production of backscattered electrons and negative surface dopant charges enhance the electron-signal. For the electron detection scheme, lightly doped n-type Si surfaces show higher detectability but in the case of p-type Si surfaces the more heavily doped Si surfaces give a higher detected signal. This different behaviour of the detected ion or electron signal implies a different production mechanism. Theoretical trajectory simulations were also carried out based on a new 2D surface potential model. The results qualitatively agree with the experimental results and explain the changes of the surface ionization profiles between the various dopant types and dopant densities of the Si surfaces.
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Butscher, Björn [Verfasser], and Tilman [Akademischer Betreuer] Pfau. "A Rydberg interferometer : from coherent formation of ultralong-range Rydberg molecules to state tomography of Rydberg atoms / Björn Butscher. Betreuer: Tilman Pfau." Stuttgart : Universitätsbibliothek der Universität Stuttgart, 2011. http://d-nb.info/1014277388/34.

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Liu, Ivan Chen-Hsiu. "Ultracold Rydberg Atoms in Structured and Disordered Environments." Doctoral thesis, Saechsische Landesbibliothek- Staats- und Universitaetsbibliothek Dresden, 2009. http://nbn-resolving.de/urn:nbn:de:bsz:14-ds-1231945394343-32656.

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The properties of a Rydberg atom immersed in an ultracold environment were investigated. Two scenarios were considered, one of which involves the neighbouring ground-state atoms arranged in a spatially structured configuration, while the other involves them distributed randomly in space. To calculate the influence of the multiple ground-state atoms on the Rydberg atom, Fermi-pseudopotential was used, which simplified greatly the numerical effort. In many cases, the few-body interaction can be written down analytically which reveals the symmetry properties of the system. In the structured case, we report the first prediction of the formation of ``Rydberg Borromean trimers''. The few-body interactions and the dynamics of the linear A-B-A trimer, where A is the ground-state atom and B is the Rydberg atom, were investigated in the framework of normal mode analysis. This exotic ultralong-range triatomic bound state exists despite that the Rydberg-ground-state interaction is repulsive. Their lifetimes were estimated using both quantum scattering calculations and semi-classical approximations which are found to be typically sub-microseconds. In the disordered case, the Rydberg-excitation spectra of a frozen-gas were simulated, where the nuclear degrees of freedom can be ignored. The systematic change of the spectral shape with respect to the density of the gas and the excitation of the Rydberg atom were found and studied. Some parts of the spectral shape can be described by simple scaling laws with exponents given by the basic properties of the atomic species such as the polarizability and the zero-energy electron-atom scattering length.
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Liu, Ivan Chen-Hsiu. "Ultracold Rydberg Atoms in Structured and Disordered Environments." Doctoral thesis, Technische Universität Dresden, 2008. https://tud.qucosa.de/id/qucosa%3A23624.

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The properties of a Rydberg atom immersed in an ultracold environment were investigated. Two scenarios were considered, one of which involves the neighbouring ground-state atoms arranged in a spatially structured configuration, while the other involves them distributed randomly in space. To calculate the influence of the multiple ground-state atoms on the Rydberg atom, Fermi-pseudopotential was used, which simplified greatly the numerical effort. In many cases, the few-body interaction can be written down analytically which reveals the symmetry properties of the system. In the structured case, we report the first prediction of the formation of ``Rydberg Borromean trimers''. The few-body interactions and the dynamics of the linear A-B-A trimer, where A is the ground-state atom and B is the Rydberg atom, were investigated in the framework of normal mode analysis. This exotic ultralong-range triatomic bound state exists despite that the Rydberg-ground-state interaction is repulsive. Their lifetimes were estimated using both quantum scattering calculations and semi-classical approximations which are found to be typically sub-microseconds. In the disordered case, the Rydberg-excitation spectra of a frozen-gas were simulated, where the nuclear degrees of freedom can be ignored. The systematic change of the spectral shape with respect to the density of the gas and the excitation of the Rydberg atom were found and studied. Some parts of the spectral shape can be described by simple scaling laws with exponents given by the basic properties of the atomic species such as the polarizability and the zero-energy electron-atom scattering length.
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Waterland, Robert Leonard. "Rydberg atoms in parallel electric and magnetic fields." W&M ScholarWorks, 1986. https://scholarworks.wm.edu/etd/1539623768.

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I have calculated the energy spectrum of a highly excited atom which lies in parallel, static electric and magnetic fields. In parallel fields the Coulomb quantum numbers n and m are still "good" quantum numbers but 1 is not: the calculation is for n = 30, m = 1 atoms.;The eigenvalues were obtained by semi-classical quantisation of first-order classical perturbation theory and have been calculated for a large range of electric and magnetic field strengths. The results are in good agreement with those found from first-order degenerate quantum perturbation theory.;The semi-classical analysis provides a correlation diagram connecting the Stark effect states to those of the diamagnetic effect.
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Schmid, Thomas [Verfasser]. "Rydberg Molecules for Ultracold Ion-Atom Scattering / Thomas Schmid." München : Verlag Dr. Hut, 2019. http://d-nb.info/1196415536/34.

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Sharkey, Keeper Layne. "Very Accurate Quantum Mechanical Non-Relativistic Spectra Calculations of Small Atoms & Molecules Employing All-Particle Explicitly Correlated Gaussian Basis Functions." Diss., The University of Arizona, 2015. http://hdl.handle.net/10150/560835.

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Due to the fast increasing capabilities of modern computers it is now feasible to calculate spectra of small atom and molecules with the greater level of accuracy than high-resolution measurements. The mathematical algorithms developed and implemented on high performance supercomputers for the quantum mechanical calculations are directly derived from the first principles of quantum mechanics. The codes developed are primarily used to verify, refine, and predict the energies associated within a given system and given angular momentum state of interest. The Hamiltonian operator used to determine the total energy in the approach presented is called the internal Hamiltonian and is obtained by rigorously separating out the center-of-mass motion (or the elimination of translational motion) from the laboratory-frame Hamiltonian. The methods utilized in the articles presented in this dissertation do not include relativistic corrections and quantum electrodynamic effects, nor do these articles assume the Born-Oppenheimer (BO) approximation with the exception of one publication. There is one major review article included herein which describes the major differences between the non-BO method and the BO approximation using explicitly correlated Gaussian (ECG) basis functions. The physical systems studied in this dissertation are the atomic elements with Z < 7 (although the discussion is not limited to these) and diatomic molecules such as H₂⁺ and H₂ including nuclear isotopic substitution studies with deuterium and tritium, as well as electronic substitutions with the muon particle. Preliminary testing for triatomic molecular functionals using a model potential is also included in this dissertation. It has been concluded that using all-particle ECGs with including the addition of nonzero angular momentum functions to describe nonzero angular momentum states is sufficient in determining the energies of these states for both the atomic and molecular case.
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Qadiri, Rafay Hasan. "H (Rydberg) atom photofragment translational spectroscopy of unsaturated hydride molecules." Thesis, University of Bristol, 2005. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.411071.

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Nipper, Johannes Maximilian [Verfasser], and Tilman [Akademischer Betreuer] Pfau. "Interacting Rydberg atoms : coherent control at Förster resonances and polar homonuclear molecules / Johannes Maximilian Nipper. Betreuer: Tilman Pfau." Stuttgart : Universitätsbibliothek der Universität Stuttgart, 2012. http://d-nb.info/1028799993/34.

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Books on the topic "Rydberg atoms and molecules"

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Stille, Darlene R. Atoms & Molecules. Compass Point Books, 2007.

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(Firm), Cambridge Educational, and Films for the Humanities & Sciences (Firm), eds. Atoms and molecules. Cambridge Educational, 2002.

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Lepora, Nathan. Atoms and molecules. Marshall Cavendish Benchmark, 2011.

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ill, Harriton Chuck, ed. Molecules and atoms. Troll Associates, 1985.

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Demtröder, Wolfgang. Atoms, Molecules and Photons. Springer Berlin Heidelberg, 2010. http://dx.doi.org/10.1007/978-3-642-10298-1.

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Demtröder, Wolfgang. Atoms, Molecules and Photons. Springer Berlin Heidelberg, 2018. http://dx.doi.org/10.1007/978-3-662-55523-1.

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Schaller, Lukas A., and Claude Petitjean, eds. Muonic Atoms and Molecules. Birkhäuser Basel, 1993. http://dx.doi.org/10.1007/978-3-0348-7271-3.

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1935-, Schaller L. A., and Petitjean C. 1941-, eds. Muonic atoms and molecules. Birkhäuser Verlag, 1993.

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Lepora, Nathan. Inside atoms and molecules. Marshall Cavendish Benchmark, 2010.

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Russell, Colin A. From Atoms to Molecules. Routledge, 2024. http://dx.doi.org/10.4324/9781003553588.

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Book chapters on the topic "Rydberg atoms and molecules"

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Gallagher, Thomas. "Rydberg Atoms." In Springer Handbook of Atomic, Molecular, and Optical Physics. Springer New York, 2006. http://dx.doi.org/10.1007/978-0-387-26308-3_14.

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Gallagher, Thomas F. "Rydberg Atoms." In Springer Handbook of Atomic, Molecular, and Optical Physics. Springer International Publishing, 2023. http://dx.doi.org/10.1007/978-3-030-73893-8_15.

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Pérez Ríos, Jesús. "Ultracold Rydberg Atoms and Ultralong-Range Rydberg Molecules." In An Introduction to Cold and Ultracold Chemistry. Springer International Publishing, 2020. http://dx.doi.org/10.1007/978-3-030-55936-6_7.

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von Milczewski, Jan, and T. Uzer. "Adiabatic Invariants of Rydberg Electrons in Crossed Fields." In Atoms and Molecules in Strong External Fields. Springer US, 2002. http://dx.doi.org/10.1007/0-306-47074-8_25.

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Burkhardt, C. E., M. Ciocca, W. P. Garver, J. J. Leventhal, and J. D. Kelley. "Production of Atomic Rydberg States in Optical Collisions." In Photons and Continuum States of Atoms and Molecules. Springer Berlin Heidelberg, 1987. http://dx.doi.org/10.1007/978-3-642-71778-9_29.

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Bartsch, Thomas, and Turgay Uzer. "Rydberg Atoms in Strong Static Fields." In Springer Handbook of Atomic, Molecular, and Optical Physics. Springer New York, 2006. http://dx.doi.org/10.1007/978-0-387-26308-3_15.

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Delos, John B., Thomas Bartsch, and Turgay Uzer. "Rydberg Atoms in Strong Static Fields." In Springer Handbook of Atomic, Molecular, and Optical Physics. Springer International Publishing, 2023. http://dx.doi.org/10.1007/978-3-030-73893-8_16.

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Hogervorst, W., A. Kips, K. Karremans, T. van der Veldt, G. J. Kuik, and W. Vassen. "Scaled-Energy Spectroscopy of Helium and Barium Rydberg Atoms in External Fields." In Atoms and Molecules in Strong External Fields. Springer US, 2002. http://dx.doi.org/10.1007/0-306-47074-8_16.

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Salas, J. P., and N. S. Simonović. "Semiclassical Study of the Rydberg Atoms Near A Metal Surface." In Many-Particle Spectroscopy of Atoms, Molecules, Clusters, and Surfaces. Springer US, 2001. http://dx.doi.org/10.1007/978-1-4615-1311-7_40.

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Golubkov, G. V., M. G. Golubkov, and G. K. Ivanov. "Rydberg States of Atoms and Molecules in a Field of Neutral Particles." In The Atmosphere and Ionosphere. Springer Netherlands, 2010. http://dx.doi.org/10.1007/978-90-481-3212-6_1.

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Conference papers on the topic "Rydberg atoms and molecules"

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Schwartz, Sylvain. "Microwave sensing with cold Rydberg atoms." In Quantum Sensing, Imaging, and Precision Metrology III, edited by Selim M. Shahriar. SPIE, 2025. https://doi.org/10.1117/12.3053161.

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Duverger, Romain, Romain Granier, Quentin Marolleau, et al. "COld Rydberg Atoms for Electromagnetic Field Sensing." In 2024 IEEE INC-USNC-URSI Radio Science Meeting (Joint with AP-S Symposium). IEEE, 2024. http://dx.doi.org/10.23919/inc-usnc-ursi61303.2024.10632299.

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Matsubara, Takuya, Seiji Sugawa, Vikas Singh Chauhan, et al. "High Density Rydberg Gas Produced by Ultrashort Pulse Excitation and Spontaneous Ionization Induced by Rydberg-Rydberg Interactions." In CLEO: Fundamental Science. Optica Publishing Group, 2024. http://dx.doi.org/10.1364/cleo_fs.2024.ftu4l.3.

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We realized ~1011 cm-3 high density Rydberg gas of ultracold 87Rb atoms by ultrafast excitation using improved picosecond pulse laser system, and observed the spontaneous ionization induced by Rydberg-Rydberg interactions.
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Nowosielski, Jan, Marcin Jastrzebski, Pavel Halavach, Wojciech Wasilewski, Mateusz Mazelanik, and Michal Parniak. "Wi-Fi Detection via Room-Temperature Rydberg Atoms." In CLEO: Applications and Technology. Optica Publishing Group, 2024. http://dx.doi.org/10.1364/cleo_at.2024.jw2a.111.

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We present a detection scheme for Wi-Fi signals using room-temperature Rydberg atoms. We compare the Rydberg-atoms sensor with its classical counterpart. Finally, we discuss the microwave-to-optical conversion of Wi-Fi signals using the wave mixing process.
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Borówka, Sebasian, Wiktor Krokosz, Wojciech Wasilewski, Mateusz Mazelanik, and Michał Parniak. "Upconverting microwave and terahertz radiation using Rydberg atoms." In CLEO: Fundamental Science. Optica Publishing Group, 2024. http://dx.doi.org/10.1364/cleo_fs.2024.ftu4l.2.

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Upconversion of electromagnetic waves to the optical domain gives unique perspectives for novel detection systems. We present a quantum-limited, Rydberg-atom enabled system capable of detecting microwaves from photonic or electronic sources across a broad range of frequencies.
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Chernov, V. E., D. L. Dorofeev, and B. A. Zon. "Rotational Rydberg states in polar molecules." In Spectral Hole-Burning and Related Spectroscopies: Science and Applications. Optica Publishing Group, 1994. http://dx.doi.org/10.1364/shbs.1994.wd59.

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The molecular Rydberg states have more complicated structure than the atomic ones. The phenomenon is due to the rotational spectrum being characteristic of molecules unlike atoms. Inasmuch as the distance between rotational levels of the molecular core is comparable to the distance between high excited levels in the pure Coulomb field, rotational states mix with Rydberg ones and form rotational-Rydberg (ro-Ry) states.
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Kane, D., and J. G. Eden. "Absorption spectrum of (ArKr)* in the ultraviolet." In International Laser Science Conference. Optica Publishing Group, 1986. http://dx.doi.org/10.1364/ils.1986.thl31.

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Recent experiments reported by Pratt, Dehmer, and Dehmer have examined the electronic structure of NeXe, ArXe, and KrXe in the vicinity of the separated atom limits by resonantly enhanced multi photon ionization. However, little is known of the rare gas hetero-nuclear molecules near the potential minima of the Rydberg states. This paper describes experiments in which the absorption spectrum of the lowest electronic excited state of ArKr has been studied by inter-Rydberg laser spectroscopy. Specifically, excited Kr atoms are first produced by two-photon excitation of the Kr 6p[3/2]2 state at 103,363.4cm-1 in a mixture of 1040-TorrAr and 40-TorrKr(300 K pressures). Following the rapid relaxation of the 6p atoms into the 5s states, ArKr excited molecules are formed by three-body molecule collisions of Kr(5s) with two ground state Ar atoms. An adjustable time after the arrival of the first laser pulse (typically 700 ns), a dye laser beam excites the ArKr species to a higher-lying Rydberg state. Dissociation of the highly excited molecule is detectable by observing Kr atomic emission at 820 nm. A highly-structured band that is attributed to ArKr has been observed near 372 nm. Temporally resolved and pressure-dependent studies of this band show clearly that it is associated with neither Kr2 nor Ar2. The identification of this band as well as the remainder of the molecule’s UV absorption spectrum is discussed.
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Desfrançois, C., H. Abdoul-Carime, and J. P. Schermann. "Charge transfer between Rydberg atoms and polar molecules or clusters." In The 19th international conference on the physics of electronic and atomic collisions. AIP, 1996. http://dx.doi.org/10.1063/1.49777.

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Larimian, Seyedreza, Xiaochun Gong, Wenbin Zhang, et al. "Imaging Rydberg States of Atoms and Molecules with a Weak DC Field." In 2019 Conference on Lasers and Electro-Optics Europe & European Quantum Electronics Conference (CLEO/Europe-EQEC). IEEE, 2019. http://dx.doi.org/10.1109/cleoe-eqec.2019.8873380.

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Greene, Chris. "The Quantum World of a Rydberg Electron in Atoms and Exotic Molecules." In Frontiers in Optics. OSA, 2013. http://dx.doi.org/10.1364/fio.2013.fs1a.2.

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Reports on the topic "Rydberg atoms and molecules"

1

Biedermann, Grant, and Michael Martin. CPHASE gate with Rydberg atoms. Office of Scientific and Technical Information (OSTI), 2017. http://dx.doi.org/10.2172/1814077.

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2

Marcassa, Luis G. Anisotropic Interactions between Cold Rydberg Atoms. Defense Technical Information Center, 2015. http://dx.doi.org/10.21236/ada627619.

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Martin, Michael. Quantum information science with Rydberg atoms. Office of Scientific and Technical Information (OSTI), 2020. http://dx.doi.org/10.2172/1711350.

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Jones, Robert R. Information Storage and Processing in Rydberg Atoms. Defense Technical Information Center, 2008. http://dx.doi.org/10.21236/ada496451.

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Gallagher, Thomas F. Optical/Millimeter-Wave Double-Resonance Spectroscopy of Rydberg Atoms. Defense Technical Information Center, 2003. http://dx.doi.org/10.21236/ada427191.

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6

Miller, J. (Spectroscopy of atoms, molecules, and clusters). Office of Scientific and Technical Information (OSTI), 1989. http://dx.doi.org/10.2172/5178445.

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7

Poetz, Walter, and W. Andreas Schroeder. Coherent Control in Atoms, Molecules, and Semiconductors. Defense Technical Information Center, 1998. http://dx.doi.org/10.21236/ada366924.

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8

Barnett, R. N. Quantum Monte Carlo for atoms and molecules. Office of Scientific and Technical Information (OSTI), 1989. http://dx.doi.org/10.2172/7040202.

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Chu, Steven. Studies with Laser Cooled Atoms and Single Molecules. Defense Technical Information Center, 2007. http://dx.doi.org/10.21236/ada474482.

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Braams, B. J. XML Schema for Atoms, Molecules and Solids (XSAMS). IAEA Nuclear Data Section, 2013. https://doi.org/10.61092/iaea.ftn7-xqba.

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