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Dissertations / Theses on the topic 'Rydberg atoms and molecules'

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Published: 3 June 2025

Last updated: 31 July 2025

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1

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 computa

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2

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 clos

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3

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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4

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,

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5

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,

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6

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 pro

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7

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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8

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

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9

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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10

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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11

Comparat, Daniel. "EXPERIENCES AVEC DES ATOMES DE RYDBERG ET DES MOLECULES ULTRA-FROIDS." Habilitation à diriger des recherches, Université Paris Sud - Paris XI, 2008. http://tel.archives-ouvertes.fr/tel-00343528.

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12

Cabral, Jader de Souza. "Ressonâncias Moleculares em átomos de Rydberg frios." Universidade de São Paulo, 2009. http://www.teses.usp.br/teses/disponiveis/76/76131/tde-19032009-160506/.

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O entendimento das interações de ultralongo alcance envolvendo átomos de Ryberg frios é o ponto principal para o uso deste sistema em computação quântica. Neste trabalho estudamos tais interações envolvendo estados nD+nD em um novo aparato experimental, o qual permite o controle de campo elétrico de uma forma mais eficiente. Mais especificamente estudamos o processo colisional $nD + nD$ $ightarrow$ $(n+2)P + (n-2)F$ na presença de campo elétrico estático fixo. Este processo é importante porque pode levar a decoerência da amostra. Os resultados obtidos indicam a existência de uma ressonância mo

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13

Kondo, Jorge Douglas Massayuki. "Estudo de colisões entre átomos de Rydberg ultrafrios em amostras atômicas aprisionadas numa armadilha óptica de dipolo." Universidade de São Paulo, 2014. http://www.teses.usp.br/teses/disponiveis/76/76131/tde-03022015-171234/.

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Neste trabalho, estudamos colisões entre átomos de Rydberg ultrafrios em uma amostra atômica de alta densidade aprisionada em uma armadilha óptica de dipolo (AOD) tipo QUEST (Quasi Electrostatic Trap). Nossos objetivos incluíam testar a manifestação de fenômenos de muitos corpos bem como estudar efeitos de anisotropia nos processos colisionais envolvendo dois corpos. Para isso, escolhemos o processo colisional descrito por 5/2+5/2(+2)3/2+(2)7/2 no intervalo de 37 ≤ ≤47. O processo foi estudado na ausência e presença de campo elétrico estático, originando as ressonâncias Förster. Os resul

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14

Kondo, Jorge Douglas Massayuki. "Ressonâncias moleculares em estados nP de átomos de Rydberg frios." Universidade de São Paulo, 2010. http://www.teses.usp.br/teses/disponiveis/76/76131/tde-18112010-145903/.

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Neste trabalho estudamos a interação entre átomos de Rydberg no estado nP e sua dependência com o campo elétrico dc. Estes estados apresentam ressonâncias Föster para um número quântico principal n menor que 37. Nestes processos de ressonância um par atômico no estado nP muda para um par nS+(n+1)S. Realizamos dois experimentos de evolução temporal para 32≤n≤36. No primeiro investigamos a dependência da taxa de transferência de população NnS em função do número quântico principal n. E no segundo estudamos a transferência de população para um estado fixo de n=33 em função do campo elétrico

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15

Balaraman, Gouthaman S. "Theoretical study of atomic processes and dynamics in ultracold plasmas." Diss., Atlanta, Ga. : Georgia Institute of Technology, 2008. http://hdl.handle.net/1853/26522.

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Thesis (Ph.D)--Physics, Georgia Institute of Technology, 2009.<br>Committee Chair: M. R. Flannery; Committee Member: John Wood; Committee Member: Michael Schatz; Committee Member: Rigoberto Hernandez; Committee Member: Turgay Uzer. Part of the SMARTech Electronic Thesis and Dissertation Collection.

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16

Viteau, Matthieu. "Pompage optique et refroidissement laser de la vibration de molecules froides." Phd thesis, Université Paris Sud - Paris XI, 2008. http://tel.archives-ouvertes.fr/tel-00367369.

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Cette thèse présente différentes études sur la formation et la détection de molécules froides. Différents états moléculaires de grandes élongations, pour la molécule Cs2, sont étudié par spectroscopie de photoassociation et d'ionisation. Ces différentes études ont permis d'affiner notre compréhension des mécanismes de photoassociation d'atomes froids formant des molécules dans l'état fondamental triplet (a 3Σu+).<br />Une détection non sélective a été développée, pour la recherche de mécanismes de formation de molécules froides dans l'état fondamental singulet avec peu de vibration. Avec cette

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17

Piotrowicz, Michal J. "Ultracold Rydberg atoms." Thesis, Open University, 2010. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.530495.

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18

Nguyen, Thanh Long. "Study of dipole-dipole interaction between Rydberg atoms : toward quantum simulation with Rydberg atoms." Thesis, Paris 6, 2016. http://www.theses.fr/2016PA066695/document.

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La simulation quantique offre un moyen très prometteur pour comprendre les systèmes quantiques corrélés macroscopiques. De nombreuses plateformes expérimentales sont en cours d'élaboration. Les atomes de Rydberg sont particulièrement intéressants grâce à leur forte interaction dipolaire de cours portée. Dans notre manip, nous préparons et manipulons des ensembles d'atomes de Rydberg excités à partir d'un nuage atomique ultra-froid piégé magnétiquement sur une puce à atome supraconductrice. La dynamique de l'excitation est contrôlée par le processus d'excitation du laser. Le spectre d'énergie d

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19

Flynn, Emma L. "Reactive scattering of Rydberg atoms." Thesis, Durham University, 2008. http://etheses.dur.ac.uk/2503/.

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A state-of-the-art crossed molecular beam experiment to study the dynamics of bimolecular reactions of electronically highly excited atoms and molecules has been developed. This was primarily designed to investigate the reaction of highly excited Rydberg hydrogen atoms with D(_2) molecules. This reaction is of special interest as it can be compared to the ion-molecule reaction H(^+) + D(_2), using the free electron model and this reaction acts as a benchmark to theoreticians in the quest to understand more complex reactions. The equipment has been calibrated and tested using the well known pho

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20

Mazurenko, Anton. "Optical imaging of Rydberg atoms." Thesis, Massachusetts Institute of Technology, 2012. http://hdl.handle.net/1721.1/78519.

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Thesis (S.B.)--Massachusetts Institute of Technology, Dept. of Physics, 2012.<br>Cataloged from PDF version of thesis.<br>Includes bibliographical references (p. 109-111).<br>We present an experiment exploring electromagnetically induced transparency (EIT) in Rydberg atoms in order to observe optical nonlinearities at the single photon level. ⁸⁷Rb atoms are trapped and cooled using a magneto-optical trap (MOT) and a far off resonance dipole trap (FORT). Once the system is prepared, a ladder EIT scheme with Rydberg atoms is used to map the photon field onto the ensemble. The powerful dipole int

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21

Laburthe-Tolra, Bruno. "Atomes, molecules et plasmas ultra-froids : - transition d'un gaz de rydberg gele vers un plasma ultra-froid. - controle de collisions de photoassociation dans des schemas de resonance de feshbach et de transition raman stimulee." Paris 11, 2001. http://www.theses.fr/2001PA112137.

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Nous avons observe l'evolution spontanee d'un gaz de rydberg gele vers un plasma ultra-froid neutre. Les atomes de rydberg sont excites dans un piege magneto-optique. Certains d'entre eux sont ionises du fait de collisions ou de l'absorption du rayonnement du corps noir. Il se cree une charge d'espace. Lorsque celle-ci est suffisament profonde, des electrons sont pieges. Il se produit un phenomene d'ionisation en avalanche de tous les atomes de rydberg restant. Dans la reaction de photoassociation, deux atomes en collision absorbent un photon et forment une molecule electroniquement excitee. L

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22

Smith, Robert Alan Lundie. "Electron dynamics in Rydberg molecules." Thesis, King's College London (University of London), 2003. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.404481.

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23

Thwaite, Simon James. "Simulations of systems of cold Rydberg atoms." Thesis, University of Oxford, 2012. https://ora.ox.ac.uk/objects/uuid:454e438d-2a3c-4c91-b1d4-2c594cbab2ce.

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The past three decades have seen extraordinary progress in the manipulation of neutral atoms with laser light, to the point where it is now routine to trap and cool both individual atoms and entire atomic clouds to temperatures of only a few tens of nanoKelvin in a controlled and repeatable fashion. In this thesis we study several applications of Rydberg atoms - atoms with an electron in a highly excited state - within such ultracold atomic systems. Due to their highly-excited electron, Rydberg atoms have a number of exaggerated properties: in addition to being physically large, they have long

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24

Faoro, Riccardo. "Few-body interactions in cold Rydberg atoms." Thesis, Université Paris-Saclay (ComUE), 2015. http://www.theses.fr/2015SACLS180/document.

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L’objectif de cette thèse est l’étude des différents aspects de l’interaction à quelques corps entre des atomes de Rydberg froids. Cette thèse a été réalisée dans le cadre d’une cotutelle entre l’Université Paris-Saclay et l’Université de Pise en travaillant sur deux différents montages expérimentaux sur des atomes de Rydberg froids : respectivement sur le Cs au Laboratoire Aimé Cotton et sur le Rb au département de Physique de l’Université de Pise. Au Laboratoire Aimé Cotton nous avons démontré l’existence des nouvelles interactions à quelques corps dans un gas gelé d’atomes de Rydberg. Ces n

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25

So, Eric. "Interaction of Rydberg hydrogen atoms with metal surfaces." Thesis, University of Oxford, 2011. http://ora.ox.ac.uk/objects/uuid:53984973-1766-45cc-8bcf-055be714ed73.

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This thesis presents a theoretical and experimental investigation of the interaction of electronically excited Rydberg hydrogen atoms with metal surfaces and the associated charge-transfer process. As a Rydberg atom approaches a metal surface, the energies of the Rydberg states are perturbed by the surface potential generated by the image charges of the Rydberg electron and core. At small atom-surface separations, the Rydberg atom may be ionised by resonant charge transfer of the Rydberg electron to the continuum of delocalised unoccupied metal states, with which the Rydberg electron is degene

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26

Zhao, Yongkai. "Cold atoms and molecules." Thesis, Heriot-Watt University, 2012. http://hdl.handle.net/10399/2688.

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The ability to cool and trap atoms has revolutionized atomic and ultra-cold physics. Molecular physics is currently undergoing a similar transformation. This thesis aims to research a general cooling method that will be applicable to wide range of molecular and atomic species and other particles. We studied the dynamics of molecules in optical fields, focusing in particular on exploring the molecular self-organisation phenomena in optical cavities to cool molecular ensembles to sub-mK temperatures. Firstly, the general model of cavity cooling from atoms to molecules and the dynamics of a parti

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27

Baluktsian, Thomas [Verfasser]. "Rydberg interaction between thermal atoms: Van der Waals-type Rydberg-Rydberg interaction in a vapor cell experiment / Thomas Baluktsian." München : Verlag Dr. Hut, 2014. http://d-nb.info/1047994690/34.

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28

Thoumany, Pierre. "Optical Spectroscopy and Cavity QED Experiments with Rydberg Atoms." Diss., lmu, 2011. http://nbn-resolving.de/urn:nbn:de:bvb:19-130845.

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29

Tignone, Edoardo. "Cavity quantum electrodynamics : from photonic crystals to Rydberg atoms." Thesis, Strasbourg, 2016. http://www.theses.fr/2016STRAF008/document.

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Dans le premier chapitre de la thèse, nous étudions la possibilité d’améliorer le couplage opto- mechanique photon-phonon entre le mode de résonance d’une cavité Fabry-Pérot de haute finesse et les vibrations mécaniques des éléments diélectriques (membranes) à l’intérieur de la cavité. En introduisant un défaut quadratique dans la disposition des membranes, nous montrons que le deux couplages (linéaire et quadratique) augmentent. Enfin, nous proposons un modèle très simple avec lequel on cherche à simuler un cristal photonique quasipériodique. Dans le deuxième chapitre de

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30

Busche, Hannes. "Contactless quantum non-linear optics with cold Rydberg atoms." Thesis, Durham University, 2017. http://etheses.dur.ac.uk/12238/.

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Rydberg quantum optics achieves optical non-linearities at the single-photon level by mapping the strong dipolar interactions between Rydberg atoms in cold atomic gases onto light fields using electromagnetically-induced transparency and photon storage. The non-linearities are a direct consequence of the long-range character of the interaction which allows a single photon to modify the optical response in a volume containing many atoms. In this thesis, the long-range character of the resulting effective photon-photon interaction is directly observed as photons propagating in non-overlapping op

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31

Fletcher, Robert S. "Three-body recombination and Rydberg atoms in ultracold plasmas." College Park, Md. : University of Maryland, 2008. http://hdl.handle.net/1903/8086.

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Thesis (Ph. D.) -- University of Maryland, College Park, 2008.<br>Thesis research directed by: Dept. of Physics. Title from t.p. of PDF. Includes bibliographical references. Published by UMI Dissertation Services, Ann Arbor, Mich. Also available in paper.

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McCormack, Elin A. "Ionisation of hydrogen Rydberg molecules at surfaces." Thesis, University of Oxford, 2010. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.543033.

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33

Caliri, Lucas Larcher. "Processos binários em átomos de Rydberg." Universidade de São Paulo, 2006. http://www.teses.usp.br/teses/disponiveis/76/76131/tde-18062008-113214/.

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O presente trabalho procura investigar alguns dos processos colisionais de átomos de Rydberg ultrafrios. Utilizando uma armadilha magneto-óptica (MOT), foi possível aprisionar átomos de 85Rb, um elemento alcalino metálico, numa região da ordem de lmn a temperaturas da ordem de poucas centenas de ?K, regime chamado de \"ultrafrio\" na literatura. Os átomos de 85Rb são então excitados para estados de alto número quântico principal, também chamados de estados de Rydberg, através de um laser pulsado. Nesses estados, os átomos apresentam propriedades exageradas devido ao tamanho da órbita do elétro

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34

Topçu, Türker. "Time dependent studies of fundamental atomic processes in Rydberg atoms /." Auburn, Ala., 2007. http://repo.lib.auburn.edu/07M%20Dissertations/TOPCU_TURKER_31.pdf.

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35

Abel, Richard Philip. "Coherent excitation of ultracold atoms between ground and Rydberg states." Thesis, Durham University, 2011. http://etheses.dur.ac.uk/1405/.

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This thesis describes the development of an experiment to study coherent population transfer between ground states, and between ground and Rydberg states, in ultracold atoms. In order to study coherent transfer between hyperfine ground states a pair of phase stable Raman beams is required. Both beams are derived from a single master laser before being spatially separated into individual components using a novel Faraday filtering technique. The frequency dependent Faraday effect in an isotopically pure thermal vapour is exploited to rotate the plane of polarisation of each Raman component such

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Hamadeh, Lama. "Ultracold gases of Rydberg-dressed atoms in multi-well traps." Thesis, University of Nottingham, 2015. http://eprints.nottingham.ac.uk/55953/.

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Rydberg-dressed ground state atoms are atoms with an electron off-resonantly excited to a very high energy state, i.e., a state of high principal quantum number n ≫ 1. This thesis investigates the quantum dynamics of interacting Rydberg-dressed ground state atoms trapped in several multi-well potential traps. Rydberg atoms are atoms with exaggerated properties. One of their most interesting properties is that they exhibit a strong and long-ranged interaction that can be tuned leading to a variety of different quantum behaviours. My work focuses on studying the effects of these interacting atom

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Vaillant, Christophe Louis J. "Long-range interactions in one- and two-electron Rydberg atoms." Thesis, Durham University, 2014. http://etheses.dur.ac.uk/10594/.

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We present calculations of long-range interactions in Rydberg atoms, with a focus on the dipole-dipole interactions of strontium Rydberg states. The growing use of Rydberg states in the field of cold atoms necessitates a more detailed understanding of the effects of dipole-dipole interactions, which are currently being investigated in a number of research groups worldwide. Calculations of long-range interactions in Rydberg states of caesium, cal- cium, rubidium, strontium and ytterbium are presented. By taking the one active electron approximation we develop consistent models of these long- ra

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Shibata, Masahiro. "Microwave Single-Photon Detection with Rydberg Atoms at Low Temperature." 京都大学 (Kyoto University), 2004. http://hdl.handle.net/2433/147804.

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39

Wintermantel, Tobias Martin. "Complex systems dynamics in laser excited ensembles of Rydberg atoms." Thesis, Strasbourg, 2021. http://www.theses.fr/2021STRAE001.

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Dans cette thèse, je présente des résultats expérimentaux et théoriques montrant qu’un gaz ultra-froid sous excitation laser aux états de Rydberg offre une plateforme contrôlable pour l’étude d’une intéressante dynamique complexe qui peut émerger dans les systèmes drivés-dissipatifs. Les conclusions peuvent être résumées selon les trois idées principales suivantes : (i) La découverte de la criticité auto-organisée dans notre système de Rydberg sous excitation facilitée peut aider à répondre à la question suivante : Pourquoi le comportement invariant d’échelle est si répandu dans la nature ? (i

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Tuorila, J. (Jani). "Spectroscopy of artificial atoms and molecules." Doctoral thesis, Oulun yliopisto, 2010. http://urn.fi/urn:isbn:9789514262135.

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Abstract Elementary experiments of atomic physics and quantum optics can be reproduced on a circuit board using elements built of superconducting materials. Such systems can show discrete energy levels similar to those of atoms. With respect to their natural cousins, the enhanced controllability of these ‘artificial atoms’ allows the testing of the laws of physics in a novel range of parameters. Also, the study of such systems is important for their proposed use as the quantum bits (qubits) of the foreseen quantum computer. In this thesis, we have studied an artificial atom coupled with a har

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41

Whitehouse, David Benjamin. "Electrical properties of atoms and molecules." Thesis, University of Cambridge, 1992. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.260492.

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Iwata, Koji. "Positron annihilation on atoms and molecules /." Diss., Connect to a 24 p. preview or request complete full text in PDF format. Access restricted to UC IP addresses, 1997. http://wwwlib.umi.com/cr/ucsd/fullcit?p9811796.

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43

Mukherjee, Rick. "Strong interactions in alkaline-earth Rydberg ensembles." Doctoral thesis, Saechsische Landesbibliothek- Staats- und Universitaetsbibliothek Dresden, 2014. http://nbn-resolving.de/urn:nbn:de:bsz:14-qucosa-157228.

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Ultra-cold atoms in optical lattices provide a versatile and robust platform to study fundamental condensed-matter physics problems and have applications in quantum optics as well as quantum information processing. For many of these applications, Rydberg atoms (atoms excited to large principal quantum numbers) are ideal due to its long coherence times and strong interactions. However, one of the pre-requisite for such applications is identical confinement of ground state atoms with Rydberg atoms. This is challenging for conventionally used alkali atoms. In this thesis, I discuss the potenti

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Krupp, Alexander Thorsten [Verfasser]. "D-state Rydberg electrons interacting with ultracold atoms / Alexander Thorsten Krupp." München : Verlag Dr. Hut, 2015. http://d-nb.info/1067708200/34.

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Courtney, Michael W. "Rydberg atoms in strong fields : a testing ground for quantum chaos." Thesis, Massachusetts Institute of Technology, 1995. http://hdl.handle.net/1721.1/32633.

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Ribeiro, Sofia. "Atom-surface interactions with Rydberg atoms : an application to hybrid systems." Thesis, Imperial College London, 2013. http://hdl.handle.net/10044/1/24166.

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This thesis focuses on theoretical quantum optics, with special emphasis on developing protocols in which engineered vacuum forces enable one to construct hybrid systems. In these systems, atoms are combined with solid-state devices in order to take advantage of their unique properties such as long coherence times of atoms and flexibility, tunability, scalability, and fast response offered by solid-state systems. Special attention is given to the study of atom-surface interactions with Rydberg atoms, where exact Fano-type diagonalization of the interaction Hamiltonian is obtained showing that,

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Leseleuc, de kerouara Sylvain de. "Quantum simulation of spin models with assembled arrays of Rydberg atoms." Thesis, Université Paris-Saclay (ComUE), 2018. http://www.theses.fr/2018SACLO007.

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Des atomes individuels piégés dans des matrices de pinces optiques et excités vers des états de Rydberg forment une plateforme expérimentale prometteuse pour la simulation quantique de modèles de spins. Lors de cette thèse, nous avons d’abord résolu le problème du chargement aléatoire des pièges, seulement 50 % d’entre eux étant chargés avec un atome. Nous avons développé une technique pour préparer des matrices 2D, puis 3D, d’atomes de 87Rb en les déplaçant un par un avec une pince optique mobile contrôlée par ordinateur. Nous avons ensuite réalisé le modèle d’Ising en excitant de manière coh

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Cayayan, Lyndon Mark D. "Collective Quantum Jumps of Rydberg Atoms Undergoing Two-Channel Spontaneous Emission." Miami University / OhioLINK, 2016. http://rave.ohiolink.edu/etdc/view?acc_num=miami1470410030.

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Kishimoto, Yasuhiro. "Stark structure and field ionization characteristics of highly excited Rydberg atoms." 京都大学 (Kyoto University), 2002. http://hdl.handle.net/2433/149965.

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Zuliani, Alexandre. "Vers la manipulation optique d'atomes ultra-froids d'ytterbium excités dans des états de Rydberg." Thesis, Université Paris-Saclay (ComUE), 2015. http://www.theses.fr/2015SACLS141/document.

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Les propriétés exacerbées des atomes de Rydberg ont permis d'étendre les possibilités offertes par les atomes froids dans la création de gaz d'atomes en très forte interaction, avec des applications notamment en simulations quantiques, dans la physique à N corps ou dans la réalisation de portes quantiques grâce au phénomène de blocage dipolaire. L'utilisation des atomes de Rydberg froids est cependant actuellement limitée par le fait qu'il n'est pas possible de continuer d'appliquer les techniques expérimentales de manipulation optique avec les atomes à un électron actif. L’attention de la com

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