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Auswahl der wissenschaftlichen Literatur zum Thema „Phases topologiques de la matière“
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Zeitschriftenartikel zum Thema "Phases topologiques de la matière"
Brosseau, Marc. „L’espace littéraire en l’absence de description“. Cahiers de géographie du Québec 52, Nr. 147 (13.05.2009): 419–37. http://dx.doi.org/10.7202/029869ar.
Der volle Inhalt der QuelleCharue-Duboc, Florence, Lise Gastaldi und Emmanuel Bertin. „Des communautés d’experts internes comme facilitateur de l’innovation“. Revue Française de Gestion 46, Nr. 287 (März 2020): 81–98. http://dx.doi.org/10.3166/rfg.2020.00429.
Der volle Inhalt der QuelleCollet, Éric. „Transitions photoinduites ultrarapides : un axe émergent pour la photonique“. Photoniques, Nr. 108 (Mai 2021): 28–31. http://dx.doi.org/10.1051/photon/202110828.
Der volle Inhalt der QuelleBallaz, B. „Le processus de veille stratégique examiné du point de vue des directions d’achat.“ Revue Française de Gestion Industrielle 12, Nr. 3 (01.09.1993): 65–78. http://dx.doi.org/10.53102/1993.12.03.215.
Der volle Inhalt der QuelleMeilliez, Francis, Hervé Coulon und Joris Mavel. „Streams, flooding and urbanism : a few examples to think about through Lille-Métropole territory“. Annales de la Société géologique du Nord - (2e Série), Tome 21, Nr. 21 (01.12.2014): 35–42. http://dx.doi.org/10.54563/asgn.954.
Der volle Inhalt der QuelleTarrant, Harold. „Reconstructing Proclus’ thoughts on khôra and matter“. Chôra 20 (2022): 107–24. http://dx.doi.org/10.5840/chora2022207.
Der volle Inhalt der QuelleSafa, Henri. „La technologie électronucléaire en France aujourd’hui“. Reflets de la physique, Nr. 60 (Dezember 2018): 8–12. http://dx.doi.org/10.1051/refdp/201860008.
Der volle Inhalt der QuelleChibryakov, Yaroslav. „The Scientific Revolution in Cartography (the 1950s and the 1960s): Its Origins and Consequences“. Cartographica: The International Journal for Geographic Information and Geovisualization 56, Nr. 3 (29.09.2021): 226–35. http://dx.doi.org/10.3138/cart-2020-0014.
Der volle Inhalt der QuelleDessus, Philippe, und Jean-Yves Carpanèse. „Référence au savoir et aux connaissances dans une séquence d’enseignement en éducation civique“. Articles 29, Nr. 3 (06.10.2005): 609–28. http://dx.doi.org/10.7202/011406ar.
Der volle Inhalt der QuellePoirier, Donald, und Ginette Thériault. „Les normes juridiques et administratives en matière de droits des résidents de foyers de soins“. Canadian Journal on Aging / La Revue canadienne du vieillissement 12, Nr. 1 (1993): 16–32. http://dx.doi.org/10.1017/s0714980800008242.
Der volle Inhalt der QuelleDissertationen zum Thema "Phases topologiques de la matière"
De, gail Raphaël. „Aspects topologiques des dérivés du graphène“. Phd thesis, Université Paris Sud - Paris XI, 2014. http://tel.archives-ouvertes.fr/tel-00987051.
Der volle Inhalt der QuellePlekhanov, Kirill. „Topological Floquet states, artificial gauge fields in strongly correlated quantum fluids“. Thesis, Université Paris-Saclay (ComUE), 2018. http://www.theses.fr/2018SACLS264/document.
Der volle Inhalt der QuelleIn this thesis we study the topological aspects of condensed matter physics, that received a revolutionary development in the last decades. Topological states of matter are protected against perturbations and disorder, making them very promising in the context of quantum information. The interplay between topology and interactions in such systems is however far from being well understood, while the experimental realization is challenging. Thus, in this work we investigate analytically such strongly correlated states of matter and explore new protocols to probe experimentally their properties. In order to do this, we use various analytical and numerical techniques. First, we analyze the properties of an interacting bosonic version of the celebrated Haldane model – the model for the quantum anomalous Hall effect. We propose its quantum circuit implementation based on the application of periodic time-dependent perturbations – Floquet engineering. Continuing these ideas, we study the interacting bosonic version of the Kane-Mele model – the first model of a topological insulator. This model has a very rich phase diagram with an emergence of an effective frustrated magnetic model and a variety of symmetry broken spin states in the strongly interacting regime. Ultra-cold atoms or quantum circuits implementation of both Haldane and Kane-Mele bosonic models would allow for experimental probes of the exotic states we observed. Second, in order to deepen the perspectives of quantum circuit simulations of topological phases we analyze the strong coupling limit of the Su-Schrieffer-Heeger model and we test new experimental probes of its topology associated with the Zak phase. We also work on the out-of-equilibrium protocols to study bulk spectral properties of quantum systems and quantum phase transitions using a purification scheme which could be implemented both numerically and experimentally
Allard, Thomas. „Disorder and topology in strongly coupled light-matter systems“. Electronic Thesis or Diss., Strasbourg, 2023. http://www.theses.fr/2023STRAE031.
Der volle Inhalt der QuelleThis thesis explores theoretically the fate of Anderson localization, as well as of topological phases of matter, in the strong light-matter coupling regime. We analyze the properties of one-dimensional systems made of dipolar emitters strongly-coupled to a multimode optical cavity. By studying a disordered chain of emitters, we find notably that, in the strong-coupling regime, increasing disorder leads almost uncoupled dark states to acquire a photonic part, allowing them to inherit polaritonic long-range transport characteristics. Investigating a dimerized chain of emitters, we study a variation of the Su-Schrieffer-Heeger model of polyacetylene, with the addition of an effective, cavity-induced, dipole-dipole coupling. We unveil the hybridization of the original topological edge states into polaritonic edge states that present unusual properties, such as efficient edge-to-edge transport characteristics
Ghadimi, nassiri Mikaël. „Mise en forme topologique large-bande de la lumière“. Thesis, Bordeaux, 2019. http://www.theses.fr/2019BORD0187/document.
Der volle Inhalt der QuelleToday, several beam shaping tools are available, some of them commercially, but most of themare designed for only one working wavelength. This thesis aims to develop several experimentalapproaches for broadband topological beam shaping of light. After the presentation of the state ofthe art, our work focuses on vortex shaping of polychromatic beam exploiting the spin-orbitinteraction of light. Concretely, we report the development of four techniques to modulate the socalledgeometric phase of polychromatic light fields. First, we describe anisotropic reflection frominterfaces that involves at least one uniaxial crystal. We identify a refractive index matchingcriterion enabling highly pure broadband phase control. Then we discuss the use of circularBragg reflection phenomenon inherent to the optics of cholesteric liquid crystals. This propertyallows the selective reflection of circularly polarized light over a bandgap while the reflected fieldacquires a geometric phase. These properties are exploited to design, fabricate and characterizestructured mirrors reflecting Laguerre-Gauss optical modes to a good approximation. The last twosolutions consist of vortex beam shaping using inhomogeneous anisotropic planar opticalelements, namely, topological defects that spontaneously appear in homeotropic nematic liquidcrystal films characterized by negative dielectric anisotropy. The first option is based on using twodefects in series while the other is based of parallel processing using an array of independentlycontrolled topological defects, each of them being dedicated to process distinct spectralchannels. The latter approach can be viewed as a spatial light modulator whose pixels areinhomogeneous and potential applications are proposed in the field of super-resolution opticalimaging and spatio-temporal beam shaping of ultrashort pulses
Louvet, Thibaud. „Phases relativistes en matière condensée“. Thesis, Lyon, 2018. http://www.theses.fr/2018LYSEN025/document.
Der volle Inhalt der QuelleThis thesis adresses the study of crystals called relativistic semi-metals, in which electrons behave like massless relativistic particles.The first historical example of such a material is graphene.In this planar arrangement of carbon atoms, electronic valence and conduction bands touch at two distincts points in the reciprocal lattice. Thus, graphene is a zero-gap semiconductor, a semi-metal.The dynamics of electrons close to the Fermi level is relativistic, described by a Dirac equation, although their velocity is a hunder times lower than the velocity of light in vacuum. Analogous semi-metallic phases have recently been identified: 3D Weyl and Dirac semimetals, as well as more exotic phases described by crossings with more than two bands. This variety of relativistic materials raises the question of their common properties. A first part of this thesis presents work related to the study of the stability of these phases, i.e. of the electronic band crossing. We have investigated this stability first by relating it to topological properties, then by evaluating the effect of disorder, such as the presence of impurities in the material. In the second part, we focus on the manifestation of the relativistic nature of these electrons in transport. In a first study, we examine the condition of existence of a finite conductivity exactly at the band crossing, due to the contribution of evanescent states. A second study concerns the anomalous transport under a magnetic field in Weyl semi-metals, as a manifestation of the chiral anomaly, a unique property of massless relativistic fermions
Sterdyniak, Antoine. „Etude de l'intrication dans l'effet Hall quantique fractionnaire“. Phd thesis, Université Pierre et Marie Curie - Paris VI, 2013. http://tel.archives-ouvertes.fr/tel-00967926.
Der volle Inhalt der QuelleKassibrakis, Serge. „Propriétés topologiques de l'espace des phases et transport anormal dans les systèmes hamiltoniens“. Université Joseph Fourier (Grenoble), 1998. http://www.theses.fr/1998GRE10167.
Der volle Inhalt der QuelleFariñas, Sánchez Isabel. „Transitions topologiques dans des systèmes bidimensionnels de symétrie continue“. Nancy 1, 2004. http://www.theses.fr/2004NAN10227.
Der volle Inhalt der QuelleThe role of interaction and spin symmetries is studied in two-dimensional O(n) spin models which are likely to describe nematic-isotropic transitions in liquid crystals. Additionally the relevance of impurties in such systems is analysed. We first study the XY model in order to check the efficiency of our numerical methods (finite-size scaling, conformal mappings). Once optimized, the numerical techniques are applied to the Lebwohl-Lasher model. A topological transition is found and the correlation functioncritical exponent is in remarkable agreement with the spin-wave approximation at low temperature. Then, we study along the same lines an Abelian and a non-Abelian model with P4-type interactions. The Abelian model displays a BKT-like transition, where as the non-Abelian model displays a first order transition with quasi-long-range order at low temperature. Finaly, the influence of quenched disorder in the XY model is studied, confirming the irrelevance of randomness in accordance with Harris criterion. In the disordered non-Abelian model with P4 interaction, we determine the phase diagram
Théveniaut, Hugo. „Méthodes d'apprentissage automatique et phases quantiques de la matière“. Thesis, Toulouse 3, 2020. http://www.theses.fr/2020TOU30228.
Der volle Inhalt der QuelleMy PhD thesis presents three applications of machine learning to condensed matter theory. Firstly, I will explain how the problem of detecting phase transitions can be rephrased as an image classification task, paving the way to the automatic mapping of phase diagrams. I tested the reliability of this approach and showed its limits for models exhibiting a many-body localized phase in 1 and 2 dimensions. Secondly, I will introduce a variational representation of quantum many-body ground-states in the form of neural-networks and show our results on a constrained model of hardcore bosons in 2d using variational and projection methods. In particular, we confirmed the phase diagram obtained independently earlier and extends its validity to larger system sizes. Moreover we also established the ability of neural-network quantum states to approximate accurately solid and liquid bosonic phases of matter. Finally, I will present a new approach to quantum error correction based on the same techniques used to conceive the best Go game engine. We showed that efficient correction strategies can be uncovered with evolutionary optimization algorithms, competitive with gradient-based optimization techniques. In particular, we found that shallow neural-networks are competitive with deep neural-networks
Maciejewski, Michal. „Structures de l'espace des phases des halos de matière noire“. Paris 6, 2008. http://www.theses.fr/2008PA066476.
Der volle Inhalt der QuelleBuchteile zum Thema "Phases topologiques de la matière"
BRASSELET, Étienne. „Optique singulière des défauts de cristaux liquides“. In Cristaux liquides, 5–101. ISTE Group, 2022. http://dx.doi.org/10.51926/iste.9040.ch1.
Der volle Inhalt der Quelle„2 Transitions de phases – Généralités“. In Physique de la matière condensée, 37–80. EDP Sciences, 2020. http://dx.doi.org/10.1051/978-2-7598-1097-0-005.
Der volle Inhalt der Quelle„2 Transitions de phases – Généralités“. In Physique de la matière condensée, 37–80. EDP Sciences, 2020. http://dx.doi.org/10.1051/978-2-7598-1097-0.c005.
Der volle Inhalt der Quelle