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Dissertations / Theses on the topic 'Ehrenfest'

Author: Grafiati

Published: 4 June 2021

Last updated: 26 July 2025

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1

Pérez, Canals Enric. "La hipótesis adiabática de Paul Ehrenfest: historia de una transformación." Doctoral thesis, Universitat de Barcelona, 2007. http://hdl.handle.net/10803/662848.

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La pregunta que ha inspirado que ha venido a dar en este trabajo ha sido: ¿Qué papel tuvo la hipótesis adiabática de Paul Ehrenfest en el desarrollo de la teoría cuántica? Para ello se ha tratado de precisar el significado mismo de la hipótesis y se ha reconstruido una especie de "ruta adiabática" hacia la teoría cuántica. En definitiva, se ha situado el origen, se han señalado los antecedentes, el impacto, etc., de esta contribución de Ehrenfest. En la primera parte se trata la gestación de la hipótesis adiabática. Para ello se da una somera visión del escenario en que ésta tuvo lugar; el

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2

Race, Christopher Peter. "The modelling of radiation damage in metals using Ehrenfest dynamics." Thesis, Imperial College London, 2010. http://hdl.handle.net/10044/1/5730.

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In this thesis we use a time-dependent tight-binding model metal evolving under semiclassical Ehrenfest dynamics to explore the effects of electron-ion energy exchange on radiation damage phenomena. By incorporating an explicit model of quantum mechanical electrons coupled to a set of classical ions, our model correctly reproduces the interaction of excited ions with cooler electrons and captures phenomena absent in classical molecular dynamics simulations and in much-used analytical models. With our simple model we have been able to simulate large numbers of radiation damage cascades. We have

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3

Braga, João Philipe Macedo. "Mecânica Quântica Não-aditiva." reponame:Repositório Institucional da UFC, 2015. http://www.repositorio.ufc.br/handle/riufc/13907.

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BRAGA, João Philipe Macedo. Mecânica Quântica Não-aditiva. 2015. 62 f. Tese (Doutorado em Física) - Programa de Pós-Graduação em Física, Departamento de Física, Centro de Ciências, Universidade Federal do Ceará, Fortaleza, 2015.<br>Submitted by Edvander Pires (edvanderpires@gmail.com) on 2015-11-05T20:20:37Z No. of bitstreams: 1 2015_tese_jpmbraga.pdf: 564039 bytes, checksum: 2f103f04eaf29689dc72e53d169b3906 (MD5)<br>Approved for entry into archive by Edvander Pires(edvanderpires@gmail.com) on 2015-11-05T20:20:56Z (GMT) No. of bitstreams: 1 2015_tese_jpmbraga.pdf: 564039 bytes, checksum: 2f103

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4

Terrabuio, Luiz Alberto. "Novas investigações de propriedades elétricas realizadas por meio da teoria quântica de átomos em moléculas." Universidade de São Paulo, 2017. http://www.teses.usp.br/teses/disponiveis/75/75134/tde-25102017-150506/.

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Nesta tese de doutorado apresentamos os resultados de quatro tópicos referentes a estudos de propriedades elétricas que são interpretados com o auxílio da Teoria Quântica de Átomos em Moléculas (QTAIM). No primeiro deles, foram calculados momentos de dipolo e suas derivadas através de um novo formalismo de divisão de átomos em moléculas, baseado em campos de forças de Ehrenfest (CFE), sendo que estes dados são comparados com aqueles advindos da QTAIM. Desta forma, um modelo alternativo de partição em carga - fluxo de carga - fluxo de dipolo (CFCFD) é discutido para derivadas do momento dipolar

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5

Feuillet, Mathieu. "Allocation de bande passante dans les grands réseaux stochastiques." Phd thesis, Ecole Polytechnique X, 2012. http://pastel.archives-ouvertes.fr/pastel-00717671.

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L'objectif de cette thèse est de traiter trois problèmes relatifs aux réseaux de grande taille. Les outils utilisés à cette fin sont issus des probabilités et plus spécifiquement de la théorie des files d'attente. En plus d'améliorer la compréhension des systèmes étudiés, les travaux réalisés dans cette thèse ont permis de prouver des résultats théoriques nouveaux ainsi que d'illustrer certains phénomènes probabilistes. Dans le Chapitre II, un modèle de réseau à partage de bande passante est étudié. Contrairement à ce qui avait été étudié dans la littérature, les utilisateurs n'utilisent pas d

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6

Schneider, Matthias. "Thermische Tieftemperatureigenschaften von Magnesium-Diborid und Seltenerd-Nickel-Borkarbiden." Doctoral thesis, Saechsische Landesbibliothek- Staats- und Universitaetsbibliothek Dresden, 2005. http://nbn-resolving.de/urn:nbn:de:swb:14-1126775037525-93288.

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In the present study the results of investigations on polycrystalline MgB2 and on single crystals of YNi2B2C and HoNi2B2C are presented. In particular, measurementes of specific electrical resistance, thermal conductivity, thermoelectric power, and of the linear thermal expansion coefficient were performed. Moreover, the specific heat of polycristalline borocarbide samples was evaluated. From the measured data, the temperature dependencies of the Lorenz number and of the Grueneisen parameter can be determined, also the pressure dependence of the superconducting transition temperature using the

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7

Nikodem, Claudia. "Inklusions- und Exklusionsverfahren erläutert am Beispiel des Arbeitsmarktes eines Kölner Stadtteils /." [S.l. : s.n.], 2003. http://deposit.ddb.de/cgi-bin/dokserv?idn=968579000.

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8

Flegg, Mark Bruce. "Theoretical investigation of mechanisms of formation and interaction of nanoparticles." Thesis, Queensland University of Technology, 2010. https://eprints.qut.edu.au/31843/1/Mark_Flegg_Thesis.pdf.

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In this thesis an investigation into theoretical models for formation and interaction of nanoparticles is presented. The work presented includes a literature review of current models followed by a series of five chapters of original research. This thesis has been submitted in partial fulfilment of the requirements for the degree of doctor of philosophy by publication and therefore each of the five chapters consist of a peer-reviewed journal article. The thesis is then concluded with a discussion of what has been achieved during the PhD candidature, the potential applications for this research

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9

Tacoun, Youri. "La théorie de la valeur de Christian von Ehrenfels /." Frankfurt, M. ; Berlin Bern Bruxelles New York, NY Oxford Wien : Lang, 2008. http://d-nb.info/988503425/04.

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10

Khan, Tahir Saeed. "Stabilizing lattice Boltzmann simulation of flows past bluff bodies by introduction of Ehrenfests' limiters." Thesis, University of Leicester, 2011. http://hdl.handle.net/2381/9173.

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The lattice Boltzmann method (LBM) have emerged as an alternative computational approach to the conventional computational fluid dynamics (CFD). Despite being computationally efficient and popular numerical method for simulation of complex fluid flow, the LBM exhibits severe instabilities in near-grid scale hydrodynamics where sharp gradients are present. Further, since the LBM often uses uniform cartesian lattices in space, the curved boundaries are usually approximated by a series of stairs that also causes computational inaccuracy in the method. An interpolation-based treatment is introduce

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11

Ehrenfort, Michael [Verfasser], and Jens [Akademischer Betreuer] Kubitz. "Calcium-Sensitizer reduzieren den gastrointestinalen und hepatischen Gewebeschaden im experimentellen septischen Schock / Michael Ehrenfort ; Betreuer: Jens Kubitz." Hamburg : Staats- und Universitätsbibliothek Hamburg, 2018. http://d-nb.info/1153884399/34.

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12

Ehrenfeld, Mira Louise [Verfasser], and Sebastian [Akademischer Betreuer] Hahnel. "Untersuchungen zur Adhäsion von oralen Streptokokken an zahnärztliche Werkstoffe in Abhängigkeit von der Auswertmethodik in vitro / Mira Louise Ehrenfeld. Betreuer: Sebastian Hahnel." Regensburg : Universitätsbibliothek Regensburg, 2013. http://d-nb.info/1038092558/34.

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13

Ehrenfeld, Vanessa [Verfasser], Simone [Akademischer Betreuer] Fulda, Volker [Akademischer Betreuer] Dötsch, Volker [Gutachter] Dötsch, and Simone [Gutachter] Fulda. "Regulation of cell death signaling by the thioredoxin system in healthy and malignant cells / Vanessa Ehrenfeld ; Gutachter: Volker Dötsch, Simone Fulda ; Simone Fulda, Volker Dötsch." Frankfurt am Main : Universitätsbibliothek Johann Christian Senckenberg, 2020. http://d-nb.info/1223538125/34.

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14

Hagn, Tina [Verfasser], and Michael [Akademischer Betreuer] Ehrenfeld. "Rekonstruktion des Ober- und / oder Unterkiefer-alveolarfortsatzes mit kortiko-spongiösen Beckenkammtransplantaten bei Kieferatrophie : eine retrospektive Analyse im Zeitraum von 2001 bis 2008 / Tina Hagn ; Betreuer: Michael Ehrenfeld." München : Universitätsbibliothek der Ludwig-Maximilians-Universität, 2018. http://d-nb.info/1155407571/34.

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15

Kappler, Franziska [Verfasser], and Michael [Akademischer Betreuer] Ehrenfeld. "Retrospektive Untersuchung von Komplikationen nach Unterkieferfrakturen unter besonderer Berücksichtigung der Infektionen im Frakturbereich an insgesamt 324 Patienten der Klinik und Poliklinik für Mund-, Kiefer- und Gesichtschirurgie der LMU München von 2003 bis 2007 / Franziska Kappler ; Betreuer: Michael Ehrenfeld." München : Universitätsbibliothek der Ludwig-Maximilians-Universität, 2019. http://d-nb.info/1185394052/34.

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16

Tseng, Chun-Hsiung, and 曾俊雄. "Ehrenfest model with interaction." Thesis, 2017. http://ndltd.ncl.edu.tw/handle/w565p5.

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碩士<br>國立彰化師範大學<br>物理學系<br>105<br>The traditional Ehrenfest’s urn model is modified by introducing the interaction between particles. Depending on the nature of the interaction, the system could undergo the phase transition. We calculate the Poincare cycle which is the average time for the system returning to its initial state. When the phase transition occurs, the equilibrium state becomes the most far-from-equilibrium state and vice versa. In addition, the relaxation time to the equilibrium state from the most far-from-equilibrium is also calculated. The relaxation time is found to be propor

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17

Fan, Yang-Jen, and 范揚仁. "The Total Variation Cutoff For Ehrenfest Chains." Thesis, 2011. http://ndltd.ncl.edu.tw/handle/96987204711480938059.

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碩士<br>國立交通大學<br>應用數學系所<br>99<br>The main work of this thesis was giving a equivalent condition of the total variation cutoff for Ehrenfest chains. The source of the question came from my advisor Dr. Chen who had punished the paper, “The -cutoff for reversible Markov processes”, in Journal of Functional Analysis on 2010. And the paper had proven the sufficient condition of the total variation cutoff. We derived the sufficient condition for no cutoffs. Therefore, we proved the contrapositive true.

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18

Zheng, Hao-Quan, and 鄭皓銓. "Interacting Ehrenfest urns connected in a ring." Thesis, 2019. http://ndltd.ncl.edu.tw/handle/349ksz.

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碩士<br>國立彰化師範大學<br>物理學系<br>107<br>Based on previous Ehrenfest urn model with interaction,we generalize from two urns to three urns.Three urns are connected in a ring, and particles in the same urn interact with each other. There are two kinds of transition probability between two urns. One is clockwise and the other is counterclockwise. When the transition probability in each direction is 0.5, the equilibrium state can be found. In general the transition probability is not equal to 0.5,the system is in a non-equilibrium state which can be classified into four cases with different interaction an

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19

Kaplun, Alexander [Verfasser]. "Bounded short-rate models with Ehrenfest and Jacobi processes / vorgelegt von Alexander Kaplun." 2010. http://d-nb.info/1010474812/34.

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20

Janoušek, Hynek. "Problém vztahu části a celku u Christiana Ehrenfelse a Edmunda Husserla." Master's thesis, 2007. http://www.nusl.cz/ntk/nusl-289326.

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Cílem této práce bylo předznačit prostor vyhrazený motivům, kvůli nimž se na konci 19. století zčistajasna vynořila řada koncepcí tvarových kvalit,figurálních momentů,fundovaných obsahů či jak jinak jejich autoři nazývali věc, o níž nám zde šlo. Filosofie, jejíž "střední proud" tenkrát často nevěděl, nemá-li být spíše pojmově uvědomělejší fyziologií a/nebo psychologií, pomáhala v těchto a podobných koncepcích nenápadně připravovat půdu explozi tvarových a strukturálních motivů v obecně humanitních směrech 20. století. Zkoumání této půdy by bylo jistě věcně zajímavé, provedeno bylo zatím jen v

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21

Ehrenfels, Yvonne [Verfasser]. "Mutationen in den "fibroblast growth factor" (FGF)-Rezeptorgenen FGFR 1, 2 und 3 bei primären Craniosynostosen / eingereicht von Yvonne Ehrenfels." 2000. http://d-nb.info/960357629/34.

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22

Normann-Ehrenfels, Nicole v. [Verfasser]. "Die Schuss-Schlagbetäubung beim Rind unter Berücksichtigung der Embolisierung von zentralvenösem Gewebe in Lunge und Herz / eingereicht von Nicole Gräfin v. Normann-Ehrenfels." 2005. http://d-nb.info/97815875X/34.

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