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Relevant bibliographies by topics / Atomic physics / Dissertations / Theses

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Dissertations / Theses on the topic 'Atomic physics'

Author: Grafiati

Published: 4 June 2021

Last updated: 25 July 2025

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1

Del, Punta Jessica A. "Mathematical methods in atomic physics." Thesis, Université de Lorraine, 2017. http://www.theses.fr/2017LORR0035/document.

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Les problèmes de diffusion de particules, à deux et à trois corps, ont une importance cruciale en physique atomique, car ils servent à décrire différents processus de collisions. Actuellement, le cas de deux corps peut être résolu avec une précision numérique désirée. Les problèmes de diffusion à trois particules chargées sont connus pour être bien plus difficiles mais une déclaration similaire peut être affirmée. L’objectif de ce travail est de contribuer, d’un point de vue analytique, à la compréhension des processus de diffusion Coulombiens à trois corps. Ceci a non seulement un intérêt fon

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2

Bailey, Stephen Malcolm William. "Relativistic atomic photoionization." Thesis, Queen's University Belfast, 1997. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.387976.

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3

Radev, Rossen. "Monte Carlo Group - Atomic Physics Department." Phd thesis, Monte Carlo Group, Atomic Physics Department, University of Sofia, 1997. http://cluster.phys.uni-sofia.bg:8080/.

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4

McAlinden, Mary Trea. "Atomic collisions involving positrons." Thesis, Queen's University Belfast, 1992. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.317480.

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5

O'Connor, Daryl John. "Atomic collisions with surfaces." Thesis, Canberra, ACT : The Australian National University, 1997. http://hdl.handle.net/1885/144473.

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6

Hutzler, Nicholas Richard. "A New Limit on the Electron Electric Dipole Moment| Beam Production, Data Interpretation, and Systematics." Thesis, Harvard University, 2014. http://pqdtopen.proquest.com/#viewpdf?dispub=3626724.

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<p> The charge distribution associated with an electron has surprising implications for a number of outstanding mysteries in physics. Why is the universe made out of matter versus anti-matter, instead of both equally? What new particles and interactions lie beyond the current reach of accelerators like the LHC? Models which propose answers to these questions, such as Supersymmetry, tend to predict a small, yet potentially measurable, asymmetric interaction between an electron and an electric field, characterized by an electric dipole moment (EDM). Despite over six decades of experimental searc

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7

Plimmer, Mark David. "Laser spectroscopy of atomic systems." Thesis, University of Oxford, 1989. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.329991.

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8

Thomas, Malcolm. "Electron scattering by atomic oxygen." Thesis, Queen's University Belfast, 1996. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.337031.

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9

Harris, M. "Collisional effects in atomic spectra." Thesis, University of Newcastle Upon Tyne, 1985. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.352727.

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10

Hromada, Ivan Jr. "Measurements of Atomic Beam Velocities with Phase Choppers and Precision Measurements of Alkali Atomic Polarizabilities." Diss., The University of Arizona, 2014. http://hdl.handle.net/10150/318837.

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Atom interferometers, in which de Broglie waves are coherently split and recombined to make interference fringes, now serve as precision measurement tools for several quantities in physics. Examples include measurements of Newton's constant, the fine structure constant, van der Waals potentials, and atomic polarizabilities. To make next-generation measurements of static electric dipole atomic polarizabilities with an atom beam interferometer, I worked on new methods to precisely measure the velocity distribution for atom beams. I will explain how I developed and used phase choppers to measu

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11

Vrinceanu, Daniel. "Quantal-classical correspondence in atomic collisions." Diss., Georgia Institute of Technology, 2000. http://hdl.handle.net/1853/28035.

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12

Ruprecht, Peter Andrew. "Time-dependent studies of atomic systems." Thesis, University of Oxford, 1995. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.308703.

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13

Woodman, George Henry. "Precise laser spectroscopy of atomic hydrogen." Thesis, University of Oxford, 1992. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.316894.

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14

Sawey, Partick Martin Joseph. "Large scale atomic R-matrix calculations." Thesis, Queen's University Belfast, 1989. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.356860.

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15

Diaz, Daniel Cipriano. "Threshold resonances in atomic three-body systems." Thesis, California State University, Long Beach, 2016. http://pqdtopen.proquest.com/#viewpdf?dispub=10142970.

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<p> Atomic resonances present a difficult chapter in the study of atomic structure. The calculation and measurement of these resonant states have provided a challenge for both theorists and experimentalists. This work focuses on the numerical calculation of the resonant states. Some years ago a method to calculate the resonant states of three-body atomic interactions was developed. This method involves solving the Faddeev equations using a Merkuriev cut and a Coulomb-Sturmian basis, and will be the method used for the calculations in this work. This method was used as an alternative to the mor

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16

Henkel, Carsten, Andrew M. Steane, Robin Kaiser, and Jean Dalibard. "A modulated mirror for atomic interferometry." Universität Potsdam, 1994. http://opus.kobv.de/ubp/volltexte/2010/4227/.

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A novel atomic beam splitter, using reflection of atoms off an evanescent light wave, is investigated theoretically. The intensity or frequency of the light is modulated in order to create sidebands on the reflected de Broglie wave. The weights and phases of the various sidevands are calculated using three different approaches: the Born approximation, a semiclassical path integral approach, and a numerical solution of the time-dependent Schrdinger equation. We show how this modulated mirror could be used to build practical atomic interferometers.

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17

Van, Camp Mackenzie A. (Mackenzie Anne). "Towards a high-precision atomic gyroscope." Thesis, Massachusetts Institute of Technology, 2013. http://hdl.handle.net/1721.1/83772.

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Thesis (S.M.)--Massachusetts Institute of Technology, Dept. of Physics, 2013.<br>Cataloged from PDF version of thesis.<br>Includes bibliographical references (pages 69-72).<br>In this thesis, I report on the design and construction of the Rubidium Atomic Gyroscope Experiment (RAGE) at Draper Lab.<br>by Mackenzie A. Van Camp.<br>S.M.

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18

Fried, Dale G. (Dale George) 1968. "Bose-Einstein condensation of atomic hydrogen." Thesis, Massachusetts Institute of Technology, 1999. http://hdl.handle.net/1721.1/84757.

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19

Bloom, Benjamin Jacob S. B. Massachusetts Institute of Technology. "Atomic quantum memory for photon polarization." Thesis, Massachusetts Institute of Technology, 2008. http://hdl.handle.net/1721.1/44214.

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Thesis (S.B.)--Massachusetts Institute of Technology, Dept. of Physics, 2008.<br>This electronic version was submitted by the student author. The certified thesis is available in the Institute Archives and Special Collections.<br>Includes bibliographical references (leaves 79-82).<br>Using an ensemble of ultracold Cesium atoms in an optical cavity we demonstrate the efficient storage and retrieval of quantum information in the form of single photons. We use a photon that has scattered into the cavity mode to herald a successful creation of a collective excitation of Cesium atoms and hence our

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20

Nunnenkamp, Andreas. "Strong correlations in ultracold atomic gases." Thesis, University of Oxford, 2008. http://ora.ox.ac.uk/objects/uuid:6e09e9d3-f5cd-4580-a667-6599203162e2.

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In this thesis we investigate strongly-correlated states of ultracold bosonic atoms in rotating ring lattices and arrays of double-well potentials. In the first part of the thesis, we study the tunneling dynamics of ultracold bosons in double-well potentials. In the non-interacting limit single-particle transitions dominate, while in the interaction-dominated regime correlated tunneling of all particles prevails. At intermediate times of the many-particle flopping process correlated states occur, but the timescales of these processes increase dramatically with the number of particles. Using an

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21

Jang, Hyounguk. "Interaction of a finite train of short optical pulses with a ladder system." Diss., Kansas State University, 2010. http://hdl.handle.net/2097/7060.

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Doctor of Philosophy<br>Department of Physics<br>Brett D. DePaola<br>In recent years, advance in ultra fast lasers and related optical technology has enhanced the ability to control the interaction between light and matter. In this dissertation, we try to improve our understanding of the interaction of atomic and molecular ladder systems with short optical pulses. A train of pulses produced by shaping the spectral phase of a single pulse from an ultra fast laser allows us to control the step-wise excitation in rubidium (Rb) atoms. As a diagnostic method, we use magneto-optical trap reco

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22

Gagnon, Morris Alexis. "Nanolithography using an atomic microscope." Thesis, McGill University, 2003. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=80270.

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In this thesis, I study the nanolithography of gallium arsenide samples by local oxidation with an atomic force microscope (AFM). I examine the current theoretical descriptions of the reaction kinetics and compare the results to experimental data. The main goal is to characterize the AFM oxidation process such that high quality features can be routinely patterned. I also investigate the use of alternative oxidation environments in an attempt to improve the height and aspect ratio of the AFM local oxidation features. An alternative lithography technique involving scratching under a high

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23

Holdsworth, P. C. W. "Correlation effects in atomic diffusion." Thesis, University of Oxford, 1985. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.355755.

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24

Preiss, Philipp Moritz. "Atomic Bose-Hubbard Systems With Single-Particle Control." Thesis, Harvard University, 2015. http://nrs.harvard.edu/urn-3:HUL.InstRepos:26718727.

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Experiments with ultracold atoms in optical lattices provide outstanding opportunities to realize exotic quantum states due to a high degree of tunability and control. In this thesis, I present experiments that extend this control from global parameters to the level of individual particles. Using a quantum gas microscope for 87Rb, we have developed a single-site addressing scheme based on digital amplitude holograms. The system self-corrects for aberrations in the imaging setup and creates arbitrary beam profiles. We are thus able to shape optical potentials on the scale of single lattice si

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25

Moore, Michael Glen. "Nonlinear wave mixing between atomic and optical fields." Diss., The University of Arizona, 1999. http://hdl.handle.net/10150/289068.

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The interaction between Bose Einstein condensates (BECs) and coherent light fields is treated within the framework of nonlinear wave mixing and studied using techniques developed in the fields of nonlinear and quantum optics. We focus in particular on two situations involving a BEC driven by a strong off-resonant 'pump' laser. First, we consider the case where the laser light is scattered into a single mode of an optical ring cavity. We then consider the case where the light is scattered into the continuum of vacuum modes of the electric field. The first problem is an extension of recent theor

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26

Allehabi, Saleh. "Computational Spectroscopy of C-Like Mg VII." DigitalCommons@Robert W. Woodruff Library, Atlanta University Center, 2018. http://digitalcommons.auctr.edu/cauetds/153.

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In this thesis, energy levels, lifetimes, oscillator strengths and transition probabilities of Mg VII have been calculated. The Hartree-Fock (HF) and Multiconfiguration Hartree-Fock (MCHF) methods were used in the calculations of these atomic properties. We have included relativistic operators mass correction, spin-orbit interaction, one body Darwin term and spin-other-orbit interaction in the Breit-Pauli Hamiltonian. The configurations, (1s2)2s22p2, 2s2p3,2p4, 2s22p3s, 2s22p3p,2s2p2(4P)3s and 2s22p3d which correspond to 52 fine-structure levels, were included in the atomic model for the Mg VI

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27

Busby, David W. "A graphical R-matrix atomic collision environment." Thesis, Queen's University Belfast, 1997. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.361356.

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28

McHugh, D. R. "Collisional and radiative studies in atomic spectra." Thesis, University of Newcastle Upon Tyne, 1986. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.376224.

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29

Shannon, I. "Collisional and radiative effects in atomic spectra." Thesis, University of Newcastle Upon Tyne, 1986. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.371770.

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30

Ajayi, Olubode Olumuyiwa. "Probe atomisation in electrothermal atomic absorption spectrometry." Thesis, University of Strathclyde, 1988. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.314558.

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31

Henkel, Carsten, Jean-Yves Courtois, and Alain Aspect. "Atomic diffraction by a thin phase grating." Universität Potsdam, 1994. http://opus.kobv.de/ubp/volltexte/2010/4226/.

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We present a semiclassical perturbation method for the description of atomic diffraction by a weakly modulated potential. It proceeds in a way similar to the treatment of light diffraction by a thin phase grating, and consists in calculating the atomic wavefunction by means of action integrals along the classical trajectories of the atoms in the absence of the modulated part of the potential. The capabilities and the validity condition of the method are illustrated on the well-known case of atomic diffraction by a Gaussian standing wave. We prove that in this situation the perturbation method

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32

Peyronel, Thibault (Thibault Michel Max). "Quantum nonlinear optics using cold atomic ensembles." Thesis, Massachusetts Institute of Technology, 2013. http://hdl.handle.net/1721.1/84393.

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Thesis (Ph. D.)--Massachusetts Institute of Technology, Dept. of Physics, 2013.<br>Cataloged from PDF version of thesis.<br>Includes bibliographical references (pages 219-232).<br>The fundamental properties of light derive from its constituent particles, photons, which are massless and do no interact with each other. The realization of interactions between photons could enable a wide variety of scientific and engineering applications. In particular, coherent interactions would open the path for the simulation of quantum systems with light. Photon-photon interactions can be mediated by matter,

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33

Cesar, Claudio Lenz. "Two-photon spectroscopy of trapped atomic hydrogen." Thesis, Massachusetts Institute of Technology, 1995. http://hdl.handle.net/1721.1/11193.

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34

DiFilippo, Frank. "Precise atomic masses for determining fundamental constants." Thesis, Massachusetts Institute of Technology, 1994. http://hdl.handle.net/1721.1/26860.

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35

Miller, Daniel E. (Daniel Edward). "Studying coherence in ultra-cold atomic gases." Thesis, Massachusetts Institute of Technology, 2006. http://hdl.handle.net/1721.1/45398.

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Thesis (Sc. D.)--Massachusetts Institute of Technology, Dept. of Physics, September 2007.<br>Includes bibliographical references (leaves 130-141).<br>This thesis will discuss the study of coherence properties of ultra-cold atomic gases. The atomic systems investigated include a thermal cloud of atoms, a Bose-Einstein condensate and a fermion pair condensate. In each case, a different type of measurement is performed. However, all of the experiments share a common tool: an optical lattice which is used to probe these atomic gases. In the first case, we use an auto-correlation technique to study

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36

Roberts, Tony David 1972. "Measuring atomic properties with an atom interferometer." Thesis, Massachusetts Institute of Technology, 2002. http://hdl.handle.net/1721.1/29302.

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Thesis (Ph. D.)--Massachusetts Institute of Technology, Dept. of Physics, 2002.<br>Includes bibliographical references (p. 177-186).<br>Two experiments are presented which measure atomic properties using an atom interferometer. The interferometer splits the sodium de Broglie wave into two paths, one of which travels through an interaction region. The paths are recombined, and the interference pattern exhibits a phase shift depending on the strength of the interaction. In the first experiment, the interaction involves a gas. De Broglie waves traveling through the gas experience a phase shift re

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37

Lucas, David. "A search for parity violation in atomic samarium." Thesis, University of Oxford, 1997. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.360371.

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38

Blundell, S. "The theory of nuclear effects in atomic spectra." Thesis, University of Oxford, 1985. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.355731.

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39

James, Jessica. "Nuclear structure effects in atomic parity non-conservation." Thesis, University of Oxford, 1994. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.259953.

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40

Denton, Bryan John. "The application of diode lasers to atomic spectroscopy." Thesis, University of Newcastle Upon Tyne, 1991. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.316100.

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41

Braga, J. P. "Adiabatic and non-adiabatic atomic and molecular collisions." Thesis, University of Sussex, 1986. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.375146.

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42

Zingu, Edmund Charles. "Atomic mobility in thin solid Pa2Si films." Doctoral thesis, University of Cape Town, 1985. http://hdl.handle.net/11427/17052.

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Bibliography: pages 210-215.<br>A theory for the growth kinetics of planar silicide formation in single- and bi-layer metal silicon systems has been developed on the basis that the chemical potential gradient in the growing layer is the driving force for diffusion. The predictions of the theory, when applied to single layer metal-silicon systems, is in agreement with other theories and with experimental results. Planar growth of the outer silicide layer in bilayer metal-silicon systems is predicted to proceed linearly with time, both when controlled by an interfacial reaction and when limited

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43

Guo, Yufei. "The local-density-functional theory : application to atoms and molecules." Thesis, McGill University, 1990. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=74535.

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The generalized local-spin-density functional (G-LSD) theory is proposed which avoids (a) the physical restriction used in the generalized exchange local-spin-density functional (GX-LSD) theory; (b) the homogeneous electron-density approximation in the Hartree-Fock-Slater (HFS) theory and in the Gaspar-Kohn-Sham (GKS) theory; and (c) the time-consuming step to search the optimal exchange parameter for each atom or ion in the X$ alpha$ and $ Xi$a theories. Theoretically, the G-LSD theory is more rigorous than the GX-LSD, HFS, GKS, and $ Xi$a theories. Numerically, the statistical total energies

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44

Leroux, Ian Daniel. "Squeezing collective atomic spins with an optical resonator." Thesis, Massachusetts Institute of Technology, 2011. http://hdl.handle.net/1721.1/68696.

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Thesis (Ph. D.)--Massachusetts Institute of Technology, Dept. of Physics, 2011.<br>This electronic version was submitted by the student author. The certified thesis is available in the Institute Archives and Special Collections.<br>Cataloged from student submitted PDF version of thesis.<br>Includes bibliographical references (p. 128-133).<br>This thesis describes two methods of overcoming the standard quantum limit of signal-to-noise ratio in atomic precision measurements. In both methods, the interaction between an ultracold atomic ensemble and an optical resonator serves to entangle the ato

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45

Paine, Scott N. "High precision millimeter-wave spectroscopy of atomic hydrogen." Thesis, Massachusetts Institute of Technology, 1992. http://hdl.handle.net/1721.1/12864.

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46

Schirotzek, Andre. "Radio-frequency spectroscopy of ultracold atomic Fermi gases." Thesis, Massachusetts Institute of Technology, 2010. http://hdl.handle.net/1721.1/77482.

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Thesis (Ph. D.)--Massachusetts Institute of Technology, Dept. of Physics, 2010.<br>Cataloged from PDF version of thesis.<br>Includes bibliographical references (p. 143-154).<br>This thesis presents experiments investigating the phase diagram of ultracold atomic Fermi gases using radio-frequency spectroscopy. The tunability of many experimental parameters including the temperature, the interparticle interaction strength and the relative population of different Fermions allows to access very different physical regimes. Radio-frequency spectroscopy has been developed into an ideal tool to probe c

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47

Sandberg, Jon Carl. "Research toward laser spectroscopy of trapped atomic hydrogen." Thesis, Massachusetts Institute of Technology, 1993. http://hdl.handle.net/1721.1/12659.

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48

Avila, Carlos A. "Laser cooling of a metastable argon atomic beam." FIU Digital Commons, 1996. http://digitalcommons.fiu.edu/etd/1342.

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A production of low velocity and monoenergetic atomic beams would increase the resolution in spectroscopic studies and many other experiments in atomic physics. Laser Cooling uses the radiation pressure to decelerate and cool atoms. The effusing from a glow discharge metastable argon atomic beam is affected by a counterpropagating laser light tuned to the cycling transition in argon. The Zeeman shift caused by a spatially varying magnetic field compensates for the changing Doppler shift that takes the atoms out of resonance as they decelerated. Deceleration and velocity bunching of atoms to a

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49

Gyawali, Gaurav. "Solving Atomic Wave Functions Using Artificial Neural Networks." ScholarWorks@UNO, 2018. https://scholarworks.uno.edu/honors_theses/104.

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Carleo and Troyer [3] have recently pointed out the possibility of solving quantum many-body problems by using Artificial Neural Networks (ANN). Their work is based on minimizing a variational wave function to obtain the ground states for various spin-dependent systems. This work is primarily focused on developing efficient method using ANN to solve the ground state wave function for atomic systems. We have developed a theoretical groundwork to represent the wave function of a many-electron atom by using artificial neural network while still preserving its antisymmetric property. By using the

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50

Drayna, Garrett Korda. "Novel Applications of Buffer-Gas Cooling to Cold Atoms, Diatomic Molecules, and Large Molecules." Thesis, Harvard University, 2016. http://nrs.harvard.edu/urn-3:HUL.InstRepos:26718757.

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Cold gases of atoms and molecules provide a system for the exploration of a diverse set of physical phenomena. For example, cold gasses of magnetically and electrically polar atoms and molecules are ideal systems for quantum simulation and quantum computation experiments, and cold gasses of large polar molecules allow for novel spectroscopic techniques. Buffer-gas cooling is a robust and widely applicable method for cooling atoms and molecules to temperatures of approximately 1 Kelvin. In this thesis, I present novel applications of buffer-gas cooling to obtaining gases of trapped, ultracold a

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