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Dissertations / Theses on the topic 'QED de cavité'

Author: Grafiati

Published: 15 March 2025

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1

De, Santis Lorenzo. "Single photon generation and manipulation with semiconductor quantum dot devices." Thesis, Université Paris-Saclay (ComUE), 2018. http://www.theses.fr/2018SACLS034/document.

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Les phénomènes quantiques les plus fondamentaux comme la cohérence quantique et l’intrication sont aujourd'hui explorés pour réaliser de nouvelles technologies. C'est le domaine des technologies quantiques, qui promettent de révolutionner le calcul, la communication et la métrologie. En encodant l'information dans les systèmes quantiques, il serait possible de résoudre des problèmes inaccessibles aux ordinateurs classiques, de garantir une sécurité absolue dans les communications et de développer des capteurs dépassant les limites classiques de précision. Les photons uniques, en tant que vecte

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2

Diniz, Igor. "Quantum electrodynamics in superconducting artificial atoms." Thesis, Grenoble, 2012. http://www.theses.fr/2012GRENY048/document.

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This thesis focuses on two problems in circuit quantum electrodynamics. We first investigate theoretically the coupling of a resonator to a continuous distribution of inhomogeneously broadened emitters. Studying this formalism is strongly motivated by recent proposals to use collections of emitters as quantum memories for individual excitations. Such systems benefit from the collective enhancement of the interaction strength, while keeping the relaxation properties of a single emitter. We discuss the influence of the emitters inhomogeneous broadening on the existence and on the coherence prope

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3

Srivastava, Vineesha. "Entanglement generation and quantum gates with quantum emitters in a cavity." Electronic Thesis or Diss., Strasbourg, 2024. http://www.theses.fr/2024STRAF069.

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Cette thèse présente de nouveaux protocoles pour les portes quantiques multi-qubits non locales et la génération d’intrication dans des systèmes où plusieurs émetteurs quantiques interagissent avec un mode bosonique partagé. Elle introduit les portes de phase géométrique et adiabatique, avec des expressions analytiques de l’infidélité dépendant du nombre de qubits et de la coopérativité. Pour deux qubits, elles forment un ensemble universel, tandis que dans les systèmes multi-qubits, elles permettent des portes déterministes pour la simulation quantique et la correction d’erreurs. Une contribu

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4

Diniz, Igor. "Electrodynamique quantique des les atomes artificiels supraconducteurs." Phd thesis, Université de Grenoble, 2012. http://tel.archives-ouvertes.fr/tel-00771451.

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This thesis focuses on two problems in circuit quantum electrodynamics. We first investigate theoretically the coupling of a resonator to a continuous distribution of inhomogeneously broadened emitters. Studying this formalism is strongly motivated by recent proposals to use collections of emitters as quantum memories for individual excitations. Such systems benefit from the collective enhancement of the interaction strength, while keeping the relaxation properties of a single emitter. We discuss the influence of the emitters inhomogeneous broadening on the existence and on the coherence prope

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5

Martini, Ullrich. "Cavity QED with many atoms." Diss., [S.l.] : [s.n.], 2000. http://deposit.ddb.de/cgi-bin/dokserv?idn=963141449.

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6

Boozer, Allen David Kimble H. Jeff. "Raman transitions in cavity QED /." Diss., Pasadena, Calif. : California Institute of Technology, 2005. http://resolver.caltech.edu/CaltechETD:etd-05272005-160246.

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7

Birnbaum, Kevin Michael Kimble H. Jeff. "Cavity QED with multilevel atoms /." Diss., Pasadena, Calif. : California Institute of Technology, 2005. http://resolver.caltech.edu/CaltechETD:etd-05272005-103306.

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8

Northup, Tracy Eleanor Kimble H. Jeff Kimble H. Jeff. "Coherent control in cavity QED /." Diss., Pasadena, Calif. : California Institute of Technology, 2008. http://resolver.caltech.edu/CaltechETD:etd-05242008-114227.

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9

Brama, Elisabeth. "Ion trap cavity system for strongly coupled cavity-QED." Thesis, University of Sussex, 2013. http://sro.sussex.ac.uk/id/eprint/45218/.

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The combination of an ion trap with a high finesse optical cavity is an ideal system for the investigation of strong coupling cavity quantum electrodynamics, and allows the observation of a number of interesting quantum phenomena. To achieve the small mode volumes required without impairing the ion trapping small traps with a short ion electrode distance are needed. Two microscopic linear rf ion traps have been developed and built to accommodate experimental cavities of lengths of several 100 microns. The first trap design, the 'sandwich' trap, was successfully used to trap 40Ca+ - ions for se

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10

Alqahtani, Moteb M. "Multi-photon processes in cavity QED." Thesis, University of Sussex, 2014. http://sro.sussex.ac.uk/id/eprint/49632/.

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Based on a multi-mode multi-level Jaynes-Cummings model and multi-photon resonance theory, a set of universal two-qubit and three-qubit gates has been realized where dual-rail qubits are encoded in cavities. In this way, the information has been stored in cavities and the off-resonant levels have been eliminated by the theory of an effective two-level Hamiltonian. A further model, namely the spin-J model, has been introduced so that a complete population inversion for levels of interest has been achieved and periodic multilevel multi-photon models have been performed. The combination of the tw

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11

Armen, Michael A. Mabuchi Hideo Mabuchi Hideo. "Bifurcations in single atom cavity QED /." Diss., Pasadena, Calif. : California Institute of Technology, 2009. http://resolver.caltech.edu/CaltechETD:etd-05262009-100436.

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12

Terraciano, Matthew Louis. "Cross-correlations and entanglement in cavity QED." College Park, Md. : University of Maryland, 2006. http://hdl.handle.net/1903/3767.

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Thesis (Ph. D.) -- University of Maryland, College Park, 2006.<br>Thesis research directed by: 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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13

Larson, Jonas. "Extended Jaynes-Cummings Models In Cavity Qed." Doctoral thesis, Stockholm, 2005. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-404.

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14

Baldwin, Charles H. "Cavity QED with Center of Mass Tunneling." Miami University / OhioLINK, 2011. http://rave.ohiolink.edu/etdc/view?acc_num=miami1312237577.

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15

Kim, Soo Y. "Cold single atoms for cavity QED experiments." Diss., Atlanta, Ga. : Georgia Institute of Technology, 2008. http://hdl.handle.net/1853/26581.

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Thesis (Ph.D)--Physics, Georgia Institute of Technology, 2009.<br>Committee Chair: Chapman, Michael; Committee Member: Citrin, David; Committee Member: Kennedy, T. A. Brian; Committee Member: Kuzmich, Alexander; Committee Member: Raman, Chandra. Part of the SMARTech Electronic Thesis and Dissertation Collection.

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16

Connolly, Elizabeth Wilcut Kimble H. Jeff Kimble H. Jeff. "Experiments with toroidal microresonators in cavity QED /." Diss., Pasadena, Calif. : California Institute of Technology, 2009. http://resolver.caltech.edu/CaltechETD:etd-05282009-101209.

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17

Dotsenko, Igor. "Single atoms on demand for cavity QED experiments." [S.l.] : [s.n.], 2007. http://deposit.ddb.de/cgi-bin/dokserv?idn=984484124.

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18

Seymour-Smith, Nicolas R. "Ion-trap cavity QED system for probabilistic entanglement." Thesis, University of Sussex, 2012. http://sro.sussex.ac.uk/id/eprint/39687/.

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Laser systems and a linear radiofrequency (rf) Paul trap with an integrated co-axial cavity have been developed for experiments in cavity QED and probabilistic entanglement. Single 40Ca+ ions and large Coulomb crystals have been trapped routinely and laser cooled with long trapping lifetimes. A technique to achieve precise overlap of the pseudopotential minimum of the rf-field with the cavity mode has been implemented through variable capacitors in the resonant rf-circuit used to drive the trap. Three-dimensional micromotion compensation has been implemented. An 894 nm laser has been frequency

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19

Everitt, Mark Stanley. "Construction, theory and simulation of cavity QED systems." Thesis, University of Leeds, 2009. http://etheses.whiterose.ac.uk/2786/.

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The microscopically pumped maser, or micromaser is a cavity QED experiment intended to be a physical realisation of the Jaynes-Cummings model of a single two-level atom interacting with a single mode electromagnetic field. This is the simplest model that describes the interaction between light and matter, yet it predicts behaviour unexpected from semiclassical models, such as the revival of Rabi oscillations of an atom interacting with an initially coherent field and non-monotonic linewidth as a function of pumping. The micromaser at the University of Leeds consists of a high quality supercond

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20

Hannigan, Justin Michio 1977. "Hemispherical optical microcavity for cavity-QED strong coupling." Thesis, University of Oregon, 2009. http://hdl.handle.net/1794/10548.

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xv, 204 p. : ill. (some col.) A print copy of this thesis is available through the UO Libraries. Search the library catalog for the location and call number.<br>This thesis reports on progress made toward realizing strong cavity quantum electrodynamics coupling in a novel micro-cavity operating close to the hemispherical limit. Micro-cavities are ubiquitous wherever the aim is observing strong interactions in the low-energy limit. The cavity used in this work boasts a novel combination of properties. It utilizes a curved mirror with radius in the range of 40-60 µm that exhibits high refle

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21

Fortier, Kevin Michael. "Individual Trapped Atoms for Cavity QED Quantum Information Applications." Diss., Georgia Institute of Technology, 2007. http://hdl.handle.net/1853/14625.

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To utilize a single atom as a quantum bit for a quantum computer requires exquisite control over the internal and external degrees of freedom. This thesis develops techniques for controlling the external degrees of freedom of individual atoms. In the first part of this thesis, individual atoms are trapped and detected non-destructively by the addition of cooling beams in an optical lattice. This non-destructive imaging technique led to atomic storage times of two minutes in an optical lattice. The second part of thesis incorporated the individual atoms into a high finesse cavity. Inside this o

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22

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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23

Lynn, Theresa W. Kimble H. Jeff. "Measurement and control of individual quanta in cavity QED /." Diss., Pasadena, Calif. : California Institute of Technology, 2003. http://resolver.caltech.edu/CaltechETD:etd-04082003-111058.

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24

Akram, Uzma. "Quantum interference and cavity QED effects in a V-system /." [St. Lucia, Qld.], 2003. http://www.library.uq.edu.au/pdfserve.php?image=thesisabs/absthe17140.pdf.

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25

Al-Amri, Mohammad D. "Cavity QED and atom optics in planar dielectric/metallic structures." Thesis, University of York, 2004. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.421498.

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26

Skipsey, Samuel Cadellin. "Cavity QED and correlation effects in sharply intersecting conducting structures." Thesis, University of York, 2007. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.442373.

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27

Li, Benliang. "Cavity QED of superradiant phase transition in two dimensional materials." Thesis, University of Southampton, 2018. https://eprints.soton.ac.uk/427724/.

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In modern physics, the investigation of the interaction between light and matter is important from both a fundamental and an applied point of view. Cavity quantum electrodynamics (cavity QED) is the study of the interaction between light confined in a reflective cavity and atoms or other particles where the quantum nature of light photons is significant. The strong interaction between an exciton and cavity photon in a high-finesse microcavity can induce a hybrid light-matter eigenstate which is usually named as polariton in solid-state systems. This strong light-matter interaction can be achie

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28

Jones, Dyan Lynne. "Quantum Fluctuations of a Cavity QED System with Periodic Potential." Miami University / OhioLINK, 2005. http://rave.ohiolink.edu/etdc/view?acc_num=miami1121696082.

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29

Steele, Adam V. "Barium ion cavity qed and triply ionized thorium ion trapping." Diss., Atlanta, Ga. : Georgia Institute of Technology, 2008. http://hdl.handle.net/1853/26530.

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Thesis (Ph.D)--Physics, Georgia Institute of Technology, 2009.<br>Committee Chair: Michael Chapman; Committee Member: Alex Kuzmich; Committee Member: Brian Kennedy; Committee Member: Chandra Raman; Committee Member: Kenneth Brown. Part of the SMARTech Electronic Thesis and Dissertation Collection.

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30

Richards, Benjamin Colby. "1D and 2D Photonic Crystal Nanocavities for Semiconductor Cavity QED." Diss., The University of Arizona, 2011. http://hdl.handle.net/10150/145275.

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The topic of this dissertation is photonic crystal nanocavities for semiconductor cavity quantum electrodynamics. For the purposes of this study, these nanocavities may be one dimensional (1D) or two dimensional (2D) in design. The 2D devices are active and contain embedded InAs quantum dots (QDs), whereas the 1D devices are passive and contain no active emitters. The 2D photonic crystal nanocavities are fabricated in a slab of GaAs with a single layer of InAs QDs embedded in the slab. When a cavity mode substantially overlaps the QD ensemble, the dots affect the linewidths of the observed mod

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31

Haakh, Harald Richard. "Cavity QED with superconductors and its application to the Casimir effect." Master's thesis, Universität Potsdam, 2009. http://opus.kobv.de/ubp/volltexte/2009/3256/.

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Diese Diplomarbeit untersucht den Casimir-Effekt zwischen normal- und supraleitenden Platten über einen weiten Temperaturbereich, sowie die Casimir-Polder-Wechselwirkung zwischen einem Atom und einer solchen Oberfläche. Hierzu wurden vorwiegend numerische und asymptotische Rechnungen durchgeführt. Die optischen Eigenschaften der Oberflächen werden dann aus dielektrischen Funktionen oder optischen Leitfähigkeiten erhalten. Wichtige Modellen werden vorgestellt und insbesondere im Hinblick auf ihre analytischen und kausalen Eigenschaften untersucht. Es wird vorgestellt, wie sich die Casimir-Energ

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32

Lougovski, Pavel. "Quantum state engineering and reconstruction in cavity QED : an analytical approach." Diss., lmu, 2004. http://nbn-resolving.de/urn/resolver.pl?urn=urn:nbn:de:bvb:19-26381.

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33

Reinhard, Andreas [Verfasser]. "Strong Photon-Photon Interactions in Solid State Cavity QED / Andreas Reinhard." München : Verlag Dr. Hut, 2013. http://d-nb.info/1034003194/34.

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34

Fang-Yen, Christopher Minwah 1973. "Multiple thresholds and many-atom dynamics in the cavity QED microlaser." Thesis, Massachusetts Institute of Technology, 2002. http://hdl.handle.net/1721.1/8294.

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Thesis (Ph. D.)--Massachusetts Institute of Technology, Dept. of Physics, 2002.<br>Includes bibliographical references (p. 263-270).<br>This thesis describes a study of a cavity QED microlaser in which many atoms are present simultaneously and atom-cavity interaction is well-defined. The microlaser is found to display multiple thresholds analogous to first-order phase transitions of the cavity field. Hysteresis is observed as a function of atom-cavity detuning and number of atoms. Data is compared with a rate equation model and fully quantized treatment based on micromaser theory. Good agreeme

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35

McKeever, Jason Terence Taylor Kimble H. Jeff. "Trapped atoms in cavity QED for quantum optics and quantum information /." Diss., Pasadena, Calif. : California Institute of Technology, 2004. http://resolver.caltech.edu/CaltechETD:etd-06032004-163753.

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36

Fan, Xudong. "Cavity-QED studies of composite semiconductor nanostructure and dielectric microsphere systems /." view abstract or download file of text, 2000. http://wwwlib.umi.com/cr/uoregon/fullcit?p9998030.

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Thesis (Ph. D.)--University of Oregon, 2000.<br>Includes reprints of articles previously published by the author. Typescript. Includes vita and abstract. Includes bibliographical references (leaves 184-190). Also available for download via the World Wide Web; free to University of Oregon users.

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37

Bakemeier, Lutz [Verfasser]. "Quantum to classical crossover in cavity QED and optomechanical systems / Lutz Bakemeier." Greifswald : Universitätsbibliothek Greifswald, 2014. http://d-nb.info/1062630971/34.

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38

Constantinos, Lazarou. "Adiabatic processes in cavit QED and the coherent control of trapped ions." Thesis, University of Sussex, 2009. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.504323.

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39

Tischler, Jonathan Randall 1977. "Solid state cavity QED : practical applications of strong coupling of light and matter." Thesis, Massachusetts Institute of Technology, 2007. http://hdl.handle.net/1721.1/40549.

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Thesis (Ph. D.)--Massachusetts Institute of Technology, Dept. of Electrical Engineering and Computer Science, 2007.<br>Includes bibliographical references (p. 126-133).<br>J-aggregates of cyanine dyes are the excitonic materials of choice for realizing polariton devices that operate in strong coupling at room temperature. Since the earliest days of cavity QED, there has been a major desire to construct solid state optical devices that operate in the limit where strong light-matter interactions dominate the dynamics. Such devices have been successfully constructed, but their operation is usuall

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40

Jaako, T. (Tuomas). "Validity of the semiquantum approximation in the ultrastrong coupling regime of cavity QED." Master's thesis, University of Oulu, 2015. http://urn.fi/URN:NBN:fi:oulu-201503171176.

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With the recent advancements made in the coupling of quantum systems, reaching the (ultra)strong coupling regime, where the coupling constant exceeds the dissipation rate and approaches the frequencies of the coupled systems, is getting closer. In this regime, the much used semiclassical model is no longer valid, and the solving of the full quantum master equation can be computationally too demanding. Thus, we must develop a new approach to be able to simulate the system. One solution is to use the semiquantum approximation. In this thesis, we present a systematic way of employing the semiqua

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41

Cuthbert, J. A. "Massive quark self-energy in cavity QCD." Master's thesis, University of Cape Town, 1991. http://hdl.handle.net/11427/14412.

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Includes bibliographical references.<br>The greatest obstacle in calculating the self-energy Feynman diagram is that it is, in principle, linearly divergent. So far the self-energy of a massive quark in cavity quantum chromodynamics has only been calculated for the lowest cavity mode ls1/2. The methods used so far, have been based on the multiple reflection formalism, in which the zero reflection term is extracted out analytically and evaluated separately using Pauli-Villars regularization. This thesis is based on the dimensional regularization scheme, adapted for use in the cavity, by Stoddar

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42

Page, Philip R. "The ratio gA/gV in cavity QCD." Master's thesis, University of Cape Town, 1991. http://hdl.handle.net/11427/17390.

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Bibliography: pages 96-98.<br>BRS invariant quantum chromodynamics in a spherical cavity is developed using canonical quantization. The weak vector and axial form factors are defined, employing a classical external W- field. The Gell-Mann and Low theorem is extended to include non-diagonal matrix elements and degenerate perturbation theory. The Sucher form of the Gell-Mann and Low theorem is employed to calculate corrections of order GFg² in the weak and strong coupling constants to gA and gv for neutron beta decay. Up and down quarks are assumed massless. The gauge-independent divergences fro

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43

Dmytruk, Olesia. "Quantum transport in a correlated nanostructure coupled to a microwave cavity." Thesis, Université Paris-Saclay (ComUE), 2016. http://www.theses.fr/2016SACLS335/document.

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Dans cette thèse, nous étudions d’un point de vue théorique les propriétés physiques de nanostructures couplées à des cavités micro-ondes. L’électrodynamique quantique (QED) en cavité en présence d’une boîte quantique s’est révélée être une technique expérimentale puissante, permettant d'étudier cette dernière par des mesures photoniques en plus des mesures de transport électronique conventionnelles. Dans cette thèse, nous proposons d'utiliser le champ micro-ondes de la cavité afin d’extraire des informations supplémentaires sur les propriétés des conducteurs quantiques : le coefficient de tra

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44

Leach, Joseph R. "PHOTON STATISTICS AND FIELD-INTENSITY CORRELATION OF A CAVITY QED SYSTEM WITH EXTERNAL POTENTIALS." Miami University / OhioLINK, 2003. http://rave.ohiolink.edu/etdc/view?acc_num=miami1058466870.

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45

Yip, Ka Wa. "Optical pumping of multiple atoms in the single photon subspace of two-mode cavity QED." Miami University / OhioLINK, 2015. http://rave.ohiolink.edu/etdc/view?acc_num=miami1438288697.

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46

Mazzei, Andrea. "Cavity enhanced optical processes in microsphere resonators." Doctoral thesis, Humboldt-Universität zu Berlin, Mathematisch-Naturwissenschaftliche Fakultät I, 2008. http://dx.doi.org/10.18452/15770.

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Diese Arbeit beschreibt eine ausfŸhrliche Untersuchung der physikalischen Eigenschaften von Mikrokugelresonatoren aus Quarzglas. Diese Resonatoren unterstŸtzen sogennante whispering-gallery Moden (WGM), die GŸten so hoch bis 109 bieten. Als experimentelle Hilfsmittel wurden ein Nahfeld- und ein Konfokalmikroskop benutzt, um die Struktur der Moden bezŸglich der Topographie des Resonators eindeutig zu identifizieren, oder um einzelne Quantenemitter zu detektieren und anzuregen. Die resonante †berhšhung des elektromagnetischen Feldes in den Moden des Resonators wurde ausgenutzt, um stimulierte

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47

Ballance, Timothy George. "An ultraviolet fibre-cavity for strong ion-photon interaction." Thesis, University of Cambridge, 2017. https://www.repository.cam.ac.uk/handle/1810/267687.

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We investigate the coupling of a single trapped ion to a miniature optical cavity operating in the ultraviolet. Our cavity provides a source of single photons at a high rate into a single spatial mode. Using our apparatus, we have demonstrated the highest atom-cavity coupling rate achieved with a single ion by an order of magnitude. When the ion is continuously excited, we observe phase-sensitive correlations between emission into free-space and into the cavity mode, which can be explained by a cavity induced back-action effect on a driven dipole. We demonstrate coherent manipulation of a hype

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48

Boca, Andreea Kimble H. Jeff. "Experiments in cavity QED : exploring the interaction of quantized light with a single trapped atom /." Diss., Pasadena, Calif. : California Institute of Technology, 2005. http://resolver.caltech.edu/CaltechETD:etd-05272005-163452.

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49

Lindebaum, R. J. "The anomalous magnetic moment of baryons in cavity QCD." Master's thesis, University of Cape Town, 1992. http://hdl.handle.net/11427/17387.

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Bibliography: pages 86-87.<br>Using a generalised form of the Gell-Mann and Low theorem, all the diagrams in cavity QCD to order as that contribute to the magnetic moment are calculated. The calculations are performed for massive quarks so a mass renormalisation scheme has been developed to cope with the new divergences this brings into the self-energy insert diagrams. The results of this work show that no improvement on the simple SU(3) model is made by including these corrections. These calculations point to a smaller value of αs than that which is usually used.

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50

O'Connor, M. S. "The anomalous magnetic moment of the nucleon in cavity QCD." Doctoral thesis, University of Cape Town, 1991. http://hdl.handle.net/11427/17389.

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Bibliography: pages 71-72.<br>Perturbative quantum chromodynamics is developed in a spherical cavity using a symmetric form of the Gell-Mann and Low theorem. This formalism allows one to generate any desired term in the perturbation series, in a manner which is similar to the familiar Feynman rules in free space. All corrections to order eg² in the electromagnetic and strong coupling constants which contribute to the magnetic moment of a baryon are generated using this formalism. The O(eg²) radiative corrections to the magnetic moment of the nucleon are calculated here in an arbitrary covarian

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