Relevant bibliographies by topics / Particle duality / Dissertations / Theses
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Dissertations / Theses on the topic 'Particle duality'

Author: Grafiati
Published: 2 June 2025
Last updated: 31 July 2025

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1

Hardy, Lucien. "Nonlocality, violation of Lorentz invariance, and wave-particle duality in quantum theory." Thesis, Durham University, 1992. http://etheses.dur.ac.uk/6079/.

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This thesis addresses some of the consequences of giving quantum mechanics a realist interpretation. We consider three main topics: wave-particle duality, locality, and Lorentz invariance. First we show that classical particles alone or classical waves alone cannot explain all single particle quantum phenomena. Then we consider the possibility that a quantum particle is composed of a particle and a wave, both being taken to exist objectively. We are able to demonstrate the reality of empty waves (that is, waves without a particle) if we make three realist motivated assumptions. The main part o
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2

Mashhadi, A. H. "What is the nature of the understanding of the concept of wave-particle duality among advanced level physics students?" Thesis, University of Oxford, 1996. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.321604.

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3

Koch, Horst Josef. "Matter and antimatter asymmetry in the early universe: new hypothesis of hydrogen formation based on wave-particle duality or electric dipole asymmetry." Saechsische Landesbibliothek- Staats- und Universitaetsbibliothek Dresden, 2014. http://nbn-resolving.de/urn:nbn:de:bsz:14-qucosa-135667.

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A new hypothesis of matter formation after the big bang based on either particle-wave duality or electric dipole asymmetry. Both assumptions allow to postulate that the probability of matter formation is slightly higher than that of antimatter formation. As a consequence, this difference of probabilities ∆Pp for protons and ∆Pe with regard to electrons avoided complete annihilation in the beginning.
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4

Mumba, Mambwe. "EFFECTS OF COUPLING BETWEEN CENTER OF MASS MOTION OF AN ATOM AND A CAVITY MODE: PHOTON STATISTICS AND WAVE-PARTICLE CORRELATIONS." Connect to this document online, 2005. http://rave.ohiolink.edu/etdc/view?acc%5Fnum=miami1121433361.

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Thesis (M.S.)--Miami University, Dept. of Physics, 2005.<br>Title from first page of PDF document. Document formatted into pages; contains [1], v, 296 p. : ill. Includes bibliographical references (p. 393-396).
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5

Ozer, Aybike (catal). "Scherk-schwarz Reduction Of Effective String Theories In Even Dimensions." Phd thesis, METU, 2003. http://etd.lib.metu.edu.tr/upload/1137561/index.pdf.

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Scherk-Schwarz reductions are a generalization of Kaluza-Klein reductions in which the higher dimensional fields are allowed to have a dependence on the compactiifed coordinates. This is possible only if the higher dimensional theory has a global symmetry and the dependence is dictated by this symmetry. In this thesis we consider generalised Scherk Schwarz reductions of supergravity and superstring theories with twists by electromagnetic dualities that are symmetries of the equations of motion but not of the action, such as the S-duality of $D=4, N=4$ super-Yang-Mills coupled to supergravity
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Moomaw, Peter. "Drooped Strings and Dressed Mesons: Implications of Gauge-Gravity Duality for the Properties of Heavy-Light Mesons at Finite Temperature." University of Cincinnati / OhioLINK, 2009. http://rave.ohiolink.edu/etdc/view?acc_num=ucin1250538856.

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7

Dheur, Marie-Christine. "Expériences de plasmonique quantique : dualité onde corpuscule du plasmon de surface et intrication entre un photon et un plasmon de surface." Thesis, Université Paris-Saclay (ComUE), 2016. http://www.theses.fr/2016SACLO004/document.

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Nous présentons deux expériences de plasmonique quantique, c’est-à-dire des expériencesd’optique quantique ayant pour support des plasmons de surface. Dans la première expérience, nous montrons la dualité onde-corpuscule d’un plasmon de surface unique (1) en utilisant la démarche de l’article de Philippe Grangier, Gérard Roger et Alain Aspect (2) sur les interférences à un photon unique. Dans la deuxième expérience, nous mettons en évidence les propriétés d’intrication entre un photon et un plasmon de surface. Nous produisons des photons intriqués en polarisation et les séparons spatialement<b
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8

Netto, Jader da Silva. "A física moderna no processo de formação de técnicos na área de radiologia médica." reponame:Biblioteca Digital de Teses e Dissertações da UFRGS, 2008. http://hdl.handle.net/10183/15023.

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Nesta dissertação apresentamos o relato de uma proposta de inovação na abordagem da Física para o Curso Técnico em Radiologia Médica – Radiodiagnóstico, do Colégio Cenecista São Roque, localizado em Bento Gonçalves/RS. Motivados pela carência de trabalhos direcionados ao ensino técnico e pela necessidade em tratar a Física Moderna de modo mais conceitual, nos propusemos a elaborar uma página na internet como instrumento de apoio à disciplina de Proteção Radiológica. Considerando como marco teórico a teoria sóciointeracionista de Lev Semenovich Vygotsky e visando uma maior conscientização dos a
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9

Grozdanov, Saso. "Hydrodynamics : from effective field theory to holography." Thesis, University of Oxford, 2014. http://ora.ox.ac.uk/objects/uuid:c00bd3e6-3b52-41d5-8542-2f2d55fc8741.

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Hydrodynamics is an effective theory that is extremely successful in describing a wide range of physical phenomena in liquids, gases and plasmas. However, our understanding of the structure of the theory, its microscopic origins and its behaviour at strong coupling is far from complete. To understand how an effective theory of dissipative hydrodynamics could emerge from a closed microscopic system, we analyse the structure of effective Schwinger-Keldysh Closed-Time-Path theories. We use this structure and the action principle for open systems to derive the energy-momentum balance equation for
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10

SOUZA, Paulo Fernando Lima de. "Pensamento transdisciplinar : uma abordagem para compreensão do princípio da dualidade da luz." Universidade Federal Rural de Pernambuco, 2009. http://www.tede2.ufrpe.br:8080/tede2/handle/tede2/5947.

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Submitted by (lucia.rodrigues@ufrpe.br) on 2016-11-23T13:00:41Z No. of bitstreams: 1 Paulo Fernando Lima de Souza.pdf: 1161641 bytes, checksum: 9ee330df7fe48bfd1dc20c6a5b98183a (MD5)<br>Made available in DSpace on 2016-11-23T13:00:41Z (GMT). No. of bitstreams: 1 Paulo Fernando Lima de Souza.pdf: 1161641 bytes, checksum: 9ee330df7fe48bfd1dc20c6a5b98183a (MD5) Previous issue date: 2009-02-25<br>The objective of this work was to investigate if transdisciplinarity can contribute to the understanding of the wave-particle duality principle. The investigation was conducted with students from the
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11

Telichevesky, Lucas. "Uma perspectiva sociocultural para a introdução de conceitos de física quântica no ensino médio : análise das interações discursivas em uma unidade didática centrada no uso do interferômetro virtual de Mach-Zehnder." reponame:Biblioteca Digital de Teses e Dissertações da UFRGS, 2015. http://hdl.handle.net/10183/114826.

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Este trabalho relata a produção, implementação e avaliação de um curso sobre física quântica destinado a alunos do Ensino Médio. A unidade didática foi inspirada nas propostas de Ostermann et al. (2009) e Pessoa Jr. (1997, 2003). Ela introduz a física quântica considerando a óptica ondulatória como um contexto para introduzir algumas analogias conceituais básicas para conceitos fundamentais da física quântica. O conceito central desta abordagem é a dualidade onda-partícula e o Interferômetro Virtual de Mach-Zehnder (IVMZ) é utilizado como sua ferramenta didática principal ou, em termos vygotsk
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12

King, Nicholas T. "T-Duality and Double Field Theory." VCU Scholars Compass, 2016. http://scholarscompass.vcu.edu/etd/4643.

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The purpose of this thesis is to study a symmetry of string theory known as T-duality. We focus on a particular example establishing the equivalence between a quantized string moving in a circular space of radius R and a dual string moving in a similar space of radius 1/R . We will show that this duality implies that the momentum of the string in one picture becomes the number of times the string is wound around the circle in the dual picture. We present two proofs of T-duality. The first reflects the standard interpretation of T-duality as an isomorphism of quantum theories. The second approa
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13

Eddi, Antonin. "Marcheurs, dualité onde-particule et Mémoire de chemin." Phd thesis, Université Paris-Diderot - Paris VII, 2011. http://tel.archives-ouvertes.fr/tel-00575626.

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Une goutte rebondit indéfiniment à la surface d'un bain soumis à une oscillation verticale. A chaque choc, des ondes sont émises sur la surface. Au voisinage de l'instabilité de Faraday, la goutte se couple à ses propres ondes et se met en mouvement spontanément sur la surface : les ondes émises lors des rebonds précédents sont entretenues par la vibration, et la goutte est propulsée car elle rebondit sur une surface inclinée. Le marcheur (l'objet associant la goutte et ses ondes de surface) possède une nature duale, à la fois onde et particule. Envoyé vers un obstacle sous-marin, le marcheur
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14

Patil, Subodh. "Enhanced symmetries, duality invariance and moduli stabilization in String Gas Cosmology." Thesis, McGill University, 2008. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=18778.

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This manusript based thesis explores the consequences of string gas cosmology for the moduli problem in string theory. We compile three published papers which set up the formalism and technique of massless string gas cosmology as developed by the author in collaboration with Robert Brandenberger, and explores the consequences of such a framework for late time cosmology. We find that when consistently coupled to the massless background of string theory (given a fixed dilaton), a fluid of massless strings can stabilize all radial and shape moduli of a toroidal compactification of bosonic or hete
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15

Giacomelli, Simone. "Confinement and Duality in Supersymmetric Gauge Theories." Doctoral thesis, Scuola Normale Superiore, 2013. http://hdl.handle.net/11384/85865.

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16

Davison, Richard A. "Excitations in holographic quantum liquids." Thesis, University of Oxford, 2012. http://ora.ox.ac.uk/objects/uuid:3b1db914-709e-41ec-ba7c-c968cb87b752.

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In this thesis we review the gauge/gravity duality and how it can be used to compute the thermodynamic properties and low-energy excitations of holographic quantum liquids - strongly-interacting field theories with a non-zero density of matter. We then study in detail the charge density excitations of two such liquids, the D3/D7 theory and the RN-AdS₄ theory, by computing the poles of their charge density Green's functions, and their charge density spectral functions. Although it is not a Landau Fermi liquid, the charge density excitations of the D3/D7 theory display many of the same propertie
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17

Kamela, Martin J. "Space-time duality, superduality, and effective actions on anti-de-Sitter space-time." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 1999. http://www.collectionscanada.ca/obj/s4/f2/dsk2/ftp03/NQ64585.pdf.

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18

Oh, Jae-Hyuk. "GAUGE-GRAVITY DUALITY AND ITS APPLICATIONS TO COSMOLOGY AND FLUID DYNAMICS." UKnowledge, 2011. http://uknowledge.uky.edu/gradschool_diss/178.

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This thesis is devoted to the study of two important applications of gauge-gravity duality: the cosmological singularity problem and conformal fluid dynamics. Gauge-gravity duality is a concrete dual relationship between a gauge theory (such as electromagnetism, the theories of weak and strong interactions), and a theory of strings which contains gravity. The most concrete application of this duality is the AdS/CFT correspondence, where the theory containing gravity lives in the bulk of an asymptotically anti-de-Sitter space-time, while the dual gauge theory is a deformation of a conformal fie
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19

Wens, Vincent. "Of N=1 supersymmetric gauge theories and localization." Doctoral thesis, Universite Libre de Bruxelles, 2009. http://hdl.handle.net/2013/ULB-DIPOT:oai:dipot.ulb.ac.be:2013/210272.

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In this thesis, we study certain non-perturbative aspects of N=1 gauge theories. We show how to compute the expectation values of chiral operators (i.e. those that preserve the anti-chiral supercharges) exactly from a first-principle approach based on the path integral over the microscopic fields. <p><p>The text is divided into two parts. The first one consists of an original introduction to the tools that underlie the researches and results obtained during this thesis. After a general introduction, we present some methods to obtain exact results. Covered topics include instantons, N=2 supersy
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20

Fluder, Martin Felix. "Aspects of the class S superconformal index, and gauge/gravity duality in five/six dimensions." Thesis, University of Oxford, 2015. http://ora.ox.ac.uk/objects/uuid:3362dc52-f87c-4d58-bf82-eeb9a46f8fb3.

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In the first part of this thesis, we discuss some aspects of the four-dimensional N = 2 superconformal index of theories of class S. We first consider a generalized index on S<sup>1</sup> × S<sup>3</sup>/Z<sub>r</sub>, and prove S-duality in a particular fugacity slice. We then go on to study the (round) superconformal index in the presence of surface defects. We develop a systematic prescription to compute surface defects labeled by arbitrary irreducible representations of the gauge group and subject those defects to various tests in several different limits. Each of these limits is interesti
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21

Mlodecki, Hugo. "Décompositions des mots tassés et auto-dualité de l'algèbre des fonctions quasi-symétriques en mots." Electronic Thesis or Diss., université Paris-Saclay, 2022. http://www.theses.fr/2022UPASG088.

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Ce travail est fondé sur la théorie des bigèbres bidendriformes, développée par Foissy, qui sont des algèbres de Hopf particulières où le produit et le coproduit peuvent être scindés en deux. Son théorème principal est: Une bigèbre bidendriforme est générée librement par ``l'espace des éléments totalement primitifs'' en tant qu'algèbre dendriforme. Une conséquence est l'auto-dualité des bigèbres bidendriformes.Parmi les nombreuses algèbres de Hopf, Hivert a défini l'algèbre des fonctions quasi-symétriques en mots, notée WQSym. En prouvant que WQSym est une bigèbre bidendriforme, Novelli-Thibon
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Pennanen, Teemu. "Dualization of monotone generalized equations /." Thesis, Connect to this title online; UW restricted, 1999. http://hdl.handle.net/1773/5731.

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23

Catelin-Jullien, Tristan. "Brisure de symétries en théorie des supercordes : applications en cosmologie et en physique des particules." Phd thesis, Université Pierre et Marie Curie - Paris VI, 2008. http://tel.archives-ouvertes.fr/tel-00351584.

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Cette thèse est consacrée à l'étude d'applications de la théorie des cordes dans deux domaines de la physique fondamentale : la physique des particules et la cosmologie. Le principe unificateur de nos deux travaux est l'utilisation en théorie des cordes du mécanisme, initialement introduit en théorie des champs, de brisure spontanée de (super)symétrie.<br /><br />Nous commençons par une présentation générale de la théorie des cordes, principalement focalisée sur les concepts que nous manierons.<br />Nous introduisons ensuite notre premier travail, dans lequel nous exhibons une dualité de l'esp
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Lanchier, Nicolas. "Systemes de particules multicolores." Phd thesis, Université de Rouen, 2005. http://tel.archives-ouvertes.fr/tel-00164594.

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La plupart des modèles mathématiques introduits dans la littérature biologique décrivant des phénomènes spatiaux de populations en interaction consistent en des systèmes d'équations différentielles ordinaires obtenues sous des hypothèses de dispersion globale, excluant par conséquent toute structure spatiale. Les systèmes de particules, au contraire, sont des processus de Markov d'espace d'états $F^S$ où $F$ est un ensemble fini de couleurs et $S$ est une structure spatiale, typiquement $\Z^d$. Ils sont en ce sens parfaitement adaptés à l'étude des conséquences de l'inclusion d'une structure s
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Lanchier, Nicolas. "Systèmes de particules multicolores." Rouen, 2005. http://www.theses.fr/2005ROUES019.

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La plupart des modèles mathématiques introduits dans la littérature biologique décrivant des phénomènes spatiaux de populations en interaction consistent en des systèmes d'équations différentielles ordinaires obtenues sous des hypothèses de dispersion globale, excluant par conséquent toute structure spatiale. Les systèmes de particules, au contraire, sont des processus de Markov d'espace d'états FS où F est un ensemble fini de couleurs et S est une structure spatiale, typiquement Zd. Ils sont en ce sens parfaitement adaptés à l'étude des conséquences de l'inclusion d'une structure spatiale sou
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Liu, Jiaji. "Lattice, magnetic excitations and their coupling in multiferroic materials." Paris 7, 2013. http://www.theses.fr/2013PA077078.

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Les multiferroïques présentent la rare propriété de posséder simultanément un ordre magnétique et un ordre ferroélectrique qui interagissent via le couplage magnétoélectrique. Les caractéristiques des multiferroïques font ressortir de nouveaux phénomènes physiques et offrent des possibilités de nouvelles fonctions de l'appareil. BiFeO3 et RMnO3 hexagonaux sont deux multiferroïques selon la plupart des enquêtes. Dans ce travail, nous avons étudié les excitations de spin et réseau dans les RMnO3 hexagonaux (R = Yb, Y, Ho) et BiFeO3 films sur des substrats différents. Nos mesures de RMnO3 hexagon
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Labousse, Matthieu. "Etude d'une dynamique à mémoire de chemin : une expérimentation théorique." Thesis, Paris 6, 2014. http://www.theses.fr/2014PA066425/document.

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À l'échelle macroscopique, les ondes et les particules sont des objets distincts. La découverte d'objets appelés marcheurs, constitués d'une goutte rebondissant sur un bain liquide vibré verticalement, a montré qu'il n'en était rien. La goutte est autopropulsée, guidée sur la surface du liquide par l'onde qu'elle a elle-même créée lors des rebonds précédents. Ces objets possèdent une dynamique originale dominée par le concept de mémoire de chemin. La structure du champ d'onde qui guide la goutte dépend, en effet, de la position des rebonds passés disposés le long de la trajectoire. La profonde
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Nguyen, Van Thanh. "Problèmes de transport partiel optimal et d'appariement avec contrainte." Thesis, Limoges, 2017. http://www.theses.fr/2017LIMO0052.

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Cette thèse est consacrée à l'analyse mathématique et numérique pour les problèmes de transport partiel optimal et d'appariement avec contrainte (constrained matching problem). Ces deux problèmes présentent de nouvelles quantités inconnues, appelées parties actives. Pour le transport partiel optimal avec des coûts qui sont donnés par la distance finslerienne, nous présentons des formulations équivalentes caractérisant les parties actives, le potentiel de Kantorovich et le flot optimal. En particulier, l'EDP de condition d'optimalité permet de montrer l'unicité des parties actives. Ensuite, nou
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Minenna, Damien F. G. "Modélisation hamiltonienne N-corps de l'échange de moment dans l'interaction onde-particule non-linéaire." Thesis, Aix-Marseille, 2019. http://www.theses.fr/2019AIXM0328.

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On s'intéresse à l'interaction onde-particule au travers d'une description N-corps (souvent jugée difficile à mettre en œuvre à cause du nombre de degrés de libertés mis en jeu). Pour les guides d'ondes périodiques, nous employons une technique de réduction, appelée le "modèle discret", pour diminuer drastiquement le nombre de degrés de libertés. Notre hamiltonien est ré-exprimé avec le modèle discret pour obtenir une théorie N-corps auto-cohérente unidimensionnelle capable de décrire les effets non-linéaires (oscillations, piégeages et chaos) de l'interaction onde-particule en domaine tempore
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Cordeiro, Luiz Gustavo. "Soficity and Other Dynamical Aspects of Groupoids and Inverse Semigroups." Thesis, Université d'Ottawa / University of Ottawa, 2018. http://hdl.handle.net/10393/38022.

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This thesis is divided into four chapters. In the first one, all the pre-requisite theory of semigroups and groupoids is introduced, as well as a few new results - such as a short study of ∨-ideals and quotients in distributive semigroups and a non-commutative Loomis-Sikorski Theorem. In the second chapter, we motivate and describe the sofic property for probability measure-preserving groupoids and prove several permanence properties for the class of sofic groupoids. This provides a common ground for similar results in the particular cases of groups and equivalence relations. In particular, we
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Beuf, Guillaume. "Contributions à l'étude des interactions fortes à haute énergie et haute densité." Paris 6, 2009. http://www.theses.fr/2009PA066137.

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En Chromodynamique Quantique dans la limite de haute énergie, des hadrons entrant en collision contiennent de plus en plus de gluons mous, ce qui conduit à un système dense avec une dynamique non-linéaire de saturation. Les solutions de cette évolution pour les amplitudes de diffusion convergent rapidement vers une solution universelle. On introduit le formalisme du Condensat de Verre de Couleur, décrivant ces phénomènes nonlinéaires. On analyse ensuite l'universalité des solutions à l'ordre des logarithmes dominants et au delà, incluant l'effet des ordres supérieurs, du couplage mobile et des
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Brune, Karl Dietrich. "Engineering modular platforms for rapid vaccine development." Thesis, University of Oxford, 2016. https://ora.ox.ac.uk/objects/uuid:41d57165-6e7c-4ca7-8025-b5ec31794c8c.

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Vaccines have saved more lives than any other medical intervention. Recombinant vaccines provide unmatched safety profiles, but at the expense of reduced immunogenicity. Virus-like particles (VLPs) resemble viruses in size, shape and repetitive arrangement but are devoid of pathogenic genetic material and therefore safe. Poor immunogens can be rendered immunogenic by display on VLPs. Successfully decorating VLPs is still a major challenge. Genetic fusion or chemical modification is often time-consuming and can lead to misassembly or misfolding, which obstructs generation of the desired immune
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Bhatta, Varun S. "Philosophical analysis of wave-particle duality of photons." Thesis, 2020. http://eprints.nias.res.in/2084/1/2020-Varun-Bhatta-TH54.pdf.

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This thesis is a study about the insights and challenges provided by the concept of wave- particle duality for the understanding of physical entities. I specifically analyse the duality claim of photons and the related interference phenomena. To begin, I explore several notions of duality found in mathematics and various branches of science and present the similarities and differences amidst them. After this, with regard to wave-particle duality of radiation, I highlight the plurality associated with this concept based on a few important interpretations of duality. I then focus on the
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Chang, Wei-Han, and 張瑋涵. "Exploration of particle-wave duality with Monte Carlo method." Thesis, 2012. http://ndltd.ncl.edu.tw/handle/32188557122200905981.

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碩士<br>國立交通大學<br>理學院科技與數位學習學程<br>100<br>This paper used the Monte Carlo method to find out π by random number generator. In order to investigate the characteristics of the wave and particle, semi-classical way is used to calculate the momentum distribution of a single slit and double-slit on the screen. Monte Carlo method is used to simulate electrons randomly passing through a single slit and double slit in one-dimensional space. Graphics formed at different distances on the screen are observed and compared with the interference pattern formed by the wave method. The research is extended to tw
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Yang, Di-Lun. "Applications of Gauge/Gravity Duality in Heavy Ion Collisions." Diss., 2014. http://hdl.handle.net/10161/8684.

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<p>In order to analyze the strongly interacting quark gluon plasma in heavy ion collisions, we study different probes by applying the gauge/gravity duality to facilitate our qualitative understandings on such a non-perturbative system. In this dissertation, we utilize a variety of holographic models to tackle many problems in heavy ion physics including the rapid thermalization, jet quenching, photon production, and anomalous effects led by external electromagnetic fields. We employ the AdS-Vaidya metric to study the gravitational collapse corresponding to the thermalization of a strongly coup
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Chen, Guang-Ming. "Proton cyclotron echo: a phenomenon of wave-wave and wave-particle interactions in topside sounding of the ionosphere." Thesis, 1993. https://dspace.library.uvic.ca//handle/1828/9647.

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Proton cyclotron echoes are phenomena related to the proton cyclotron frequency discovered On topside sounder swept-frequency ionograms from the Canadian satellite Alouette II in 1969. Subsequent studies were also limited to the use of the swept-frequency ionograms and devoted only to these so called regular proton cyclotron echoes. The regular proton cyclotron echoes occur on the swept-frequency ionograms at constant apparent ranges predominantly at frequencies below the electron plasma frequency fN and slightly above the electron cyclotron frequency fH. In this dissertation over 2000
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Pumulo, Nathan. "Simple qubit systems in bosonic baths." Thesis, 2010. http://hdl.handle.net/10413/9659.

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The study is focused on the thermal entanglement of spin chains. Chains consisting of two and three qubits are considered. These chains are considered open because they are coupled to bosonic baths at different temperatures. The baths represent the environment. The dynamics of these open systems are examined as are the effects of different parameters - such as bath temperature - on the entanglement of the spins. The measure of entanglement used in these cases is the concurrence. Comparisons are made between a model that assumes a strong spinspin interaction and one that assumes a weak one. In
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38

Anber, Mohamed M. "Frontiers in theoretical high energy physics: From physics beyond the standard model to cosmology." 2010. https://scholarworks.umass.edu/dissertations/AAI3427493.

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This dissertation is focused on three lines of work. In the first part, we consider aspects of holography and gauge/gravity duality in lower and higher dimensions. In particular, we study the duality for exact solutions localized on the Randal-Sundrum 2-branes. We also test if some holographic principles in general relativity can be generalized to include higher derivative theories of gravity; namely Lovelock gravity. In the second part we consider the role of pseudo Nambu-Goldstone bosons (pNGBs) in inflationary cosmology. Specifically, we construct an inflationary model using string theory a
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39

Nguyen, Van thanh. "Problèmes de transport partiel optimal et d'appariement avec contrainte." Thesis, 2017. http://www.theses.fr/2017LIMO0052/document.

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Cette thèse est consacrée à l'analyse mathématique et numérique pour les problèmes de transport partiel optimal et d'appariement avec contrainte (constrained matching problem). Ces deux problèmes présentent de nouvelles quantités inconnues, appelées parties actives. Pour le transport partiel optimal avec des coûts qui sont donnés par la distance finslerienne, nous présentons des formulations équivalentes caractérisant les parties actives, le potentiel de Kantorovich et le flot optimal. En particulier, l'EDP de condition d'optimalité permet de montrer l'unicité des parties actives. Ensuite, nou
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Nguyen, Thi Van Anh. "On Partial Regularities and Monomial Preorders." Doctoral thesis, 2018. https://repositorium.ub.uni-osnabrueck.de/handle/urn:nbn:de:gbv:700-2018062823.

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My PhD-project has two main research directions. The first direction is on partial regularities which we define as refinements of the Castelnuovo-Mumford regularity. Main results are: relationship of partial regularities and related invariants, like the a-invariants or the Castelnuovo-Mumford regularity of the syzygy modules; algebraic properties of partial regularities via a filter-regular sequence or a short exact sequence; generalizing a well-known result for the Castelnuovo-Mumford regularity to the case of partial regularities of stable and squarefree stable monomial ideals; finally exten
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