Academic literature on the topic 'Théorie quantique relativiste'
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Journal articles on the topic "Théorie quantique relativiste"
Leduc, Michèle, and Sébastien Tanzilli. "Les technologies quantiques, de la recherche fondamentale à l’innovation." Photoniques, no. 91 (May 2018): 18–24. http://dx.doi.org/10.1051/photon/20189118.
Full textVitrac, Richard. "La démonstration systémique des formules de Lorentz." Acta Europeana Systemica 8 (July 10, 2020): 225–30. http://dx.doi.org/10.14428/aes.v8i1.56383.
Full textVitrac, Richard. "La théorie de la relativité cognitive et systémique." Acta Europeana Systemica 7 (July 11, 2020): 179–96. http://dx.doi.org/10.14428/aes.v7i1.56733.
Full textLabson, Sam. "Dialogue sur l’infinité et la réalité." Articles 10, no. 2 (January 13, 2007): 377–402. http://dx.doi.org/10.7202/203235ar.
Full textLestienne, Rémy. "Whitehead, la Mécanique Quantique et les relations esprit-matière." Lato Sensu: Revue de la Société de philosophie des sciences 8, no. 1 (March 9, 2021): 1–11. http://dx.doi.org/10.20416/lsrsps.v8i1.1.
Full textDissertations / Theses on the topic "Théorie quantique relativiste"
Forets, Irurtia Marcelo Alejandro. "Marches quantiques et mécanique quantique relativiste." Thesis, Université Grenoble Alpes (ComUE), 2015. http://www.theses.fr/2015GREAM028/document.
Full textThis thesis is devoted to the development of two well-known models of computation for their application in quantum computer simulations. These models are the quantum walk (QW) and quantum cellular automata (QCA) models, and they constitute doubly strategic topics in this respect. First, they are privileged mathematical settings in which to encode the description of the actual physical system to be simulated. Second, they offer an experimentally viable architecture for actual physical devices performing the simulation.For QWs, we prove precise error bounds and convergence rates of the discrete scheme towards the Dirac equation, thus validating the QW as a quantum simulation scheme. Furthermore, for both models we formulate a notion of discrete Lorentz covariance, which admits a diagrammatic representation in terms of local, circuit equivalence rules. We also study the continuum limit of a wide class of QWs, and show that it leads to a class of PDEs which includes the Hamiltonian form of the massive Dirac equation in (1+1)-dimensional curved spacetime.Finally, we study the two particle sector of a QCA. We find the conditions for the existence of discrete spectrum (interpretable as molecular binding) for short-range and for long-range interactions. This is achieved using perturbation techniques of trace class operators and spectral analysis of unitary operators
Harrivel, Ramiaramanana Dikanaina. "Théorie des champs : approche multisymplectique de la quantification, théorie perturbative et application." Angers, 2005. http://www.theses.fr/2005ANGE0027.
Full textThe main subject of this thesis is the study of the Klein-Gordon equation together with an interaction term and the quantization of this theory from the multisymplectic point of view. Multisymplectic geometry provides a general framework for a covariant finite dimensional Hamiltonian formulation of variational problems with several variables. In the first part we study the linear Klein-Gordon equation (free fields). We propose a description of the canonical quantization of free fiels from the multisymplectic point of view. We investigate three approachs : the algebraic approach by giving a representation of the Lie algebra of the symetries, the deformation point of view and finally we introduce a notion of multisymplectic geometric quantization. In the second part we study the classical Øp-theory. First we define explicitely a conserved quantity using a perturbative expansion based on planar trees and a kind of Feynman rule. Then we link this expansion with Butcher series which describe the perturbative expansion of the solutions of some PDE and we show how Butcher series can be related to perturbative quantum theory. Finally we see how we can apply our result in order to solve problems from control theory
Diaz, Alonso Joaquin. "Première partie: analyse quantique relativiste de la matière denseDeuxième partie : quelques problèmes en physique mathématique." Paris 7, 1985. http://www.theses.fr/1985PA077030.
Full textRota, Nodari Simona. "Etude mathématique de modèles non linéaires issus de la physique quantique relativiste." Paris 9, 2011. http://basepub.dauphine.fr/xmlui/handle/123456789/7233.
Full textThis thesis is devoted to the study of two nonlinear relativistic quantum models. In the first part, we prove by a perturbation method the existence of solutions of the coupled Einstein–Dirac–Maxwell equations for a static, spherically symmetric system of two fermions in a singlet spinor state and for a weak electromagnetic coupling. In the second part, we study a relativistic mean-field model that describes the behavior of nucleons in the atomic nucleus. We provide a condition that ensures the existence of a ground state solution of the relativistic mean-field equations in a static case; in particular, we relate the existence of critical points of a strongly indefinite energy functional to strict concentration-compactness inequalities
Paquier, Julien. "Théorie de la fonctionnelle de la densité relativiste à séparation de portée." Thesis, Sorbonne université, 2020. http://www.theses.fr/2020SORUS059.
Full textThis PhD thesis constitutes a contribution to the relativistic extension of the range-separated density functional theory scheme, by combining a relativistic four-component wave function calculation for the long-range contribution with a complementary relativistic short-range exchange-correlation density functional based on the no-pair Dirac-Coulomb or Dirac-Coulomb-Breit Hamiltonian. We have studied properties of the relativistic homogeneous electron gas in the no-pair approximation to develop relativistic short-range exchange-correlation density functionals at the local density approximation (LDA) level. We have implemented a four-component range-separated density functional code as a plugin in the software QUANTUM PACKAGE 2.0 to test these functionals. We have extended the relativistic short-range exchange density functional to the generalized-gradient approximation (GGA) level. Finally, we have pointed out the important role of the on-top exchange pair density in the correct evaluation of the exchange energy at very short-range
Almoukhalalati, Adel. "Applications of variational perturbation theory in relativistic molecular quantum mechanics." Toulouse 3, 2016. http://www.theses.fr/2016TOU30172.
Full textThe father of relativistic quantum mechan ics P. A. M. Dirac predicted that, the more realistic version of quantum mechanics that he established wouId not offer much more when compared to the non-relativistic formulation of quantum mechanics when applied to ordinary atomic and molecular systems. When the relativistic quantum theory was around forty years old, people had started to recognize how important relativistic effects can beeven for the study of atomic and molecular systems. Relativistic effects are manifested via the contraction of atomics and p orbitais, the expansion of atomic d and 1 orbitais, and spin-orbit coupling. A classical example on t he importance of relativistic effects is the band struct ure of metallic gold for which non-relativistic caleulations will lead to an overestimation of the 5d-6p gap predicting a UV absorption band which is compatible with a metal that looks like silver. The thesis focuses on the atomic and molecular calculations within the 4-component relativistic framework. Ln particular, the use of the variational perturbation theory in relativistic framework. The perturbation theory in quantum mechanics is based on partitioning the Hamiltonian H into zeroth-order Hamiltonian Ho and V that forms the perturbation through a para meter lambda. Ln many-body (Rayleigh-Sch rodinger) perturbation theory, we have an exact solution of t he Hamiltonian l/0 , whereas in the variational perturbation theory, we assume to have anoptimized energy for any value of the parameter À. The thesis contains two principal projects, the first project concerns the description of the electron correlation in the relativistic framework. Ln this project , we focused on the perturbative approach to derive t he relativistic formulas nece~sary for the energy in two-electron atoms. T hecorrelation energy is the difference between the exact eigenvalue of the Ha mi ltonian and its expectation value in the Hartree-Fock approximation. The exact eigenvalue is not avail able, but in the non- relativistic domain t he best solution is a full Cl for a given basis. Our main goal, in this project , will be to show that the best solution of the wave equation for the embedded Dirac-Coulomb Hamil tonian, is not a Full Cl, as in thenon- relativistic case, but a MCSCF which uses a Cl development in positive-energy orbitais only, but which keeps rotations between the positive and negative energy orbitais to optimize the projection operator. The second project concerns a study of the effects of t he nuclear volume in the vibrational spectra of diatomic molecules. Ln the early 80s, Theg roup of Professor Eberhardt Tiemann in Hanover used the rotational spectroscopy with high resolution to study a series of diatomic molecules containing heavy a toms like lead in order to establish spectroscopie constants (R. Bond length, vibrational frequency W c etc. ) with a great precision. A molecule AB has several isotopomers according to isotopes atoms A and B and it was weil known at that t ime only the spectrum of eachisotopomer is slightly d iffe rent because of the mass differences between each isotope of the atoms A and B. Prof. Tiemann and his collaborators discovered that we must also take into account the difference in nuclear volume of each isotope. We provide an independent check on previous experimental and t heoretical studies of nuclear volume effects in rotational spectroscopy, notably re-derivation of theory and benchmark previous calculations by 4-component relativistic state of the art correlated calculations
Mondragơn, Lopez Mauricio Javier. "Probabilité des événements multiples dans la mécanique quantique relativiste-générale et quelques aspects qualitatifs ("philosophiques") sur l'espace et le temps." Aix-Marseille 2, 2008. http://www.theses.fr/2008AIX22017.
Full textHubert, Mickaël. "Théorie "Coupled Cluster" relativiste pour les états excités au rang d'excitation général. Applications aux molécules diatomiques." Phd thesis, Université Paul Sabatier - Toulouse III, 2013. http://tel.archives-ouvertes.fr/tel-00844310.
Full textPaturel, Eric. "Problèmes variationnels avec défaut de compacité en systèmes dynamiques et en physique mathématique." Paris 9, 2000. https://portail.bu.dauphine.fr/fileviewer/index.php?doc=2000PA090003.
Full textBoisseau, Bruno. "Théories de Jauge et champs généralisés dans le cadre de la mécanique hamiltonienne classique relativiste." Tours, 1986. http://www.theses.fr/1986TOUR4005.
Full textBooks on the topic "Théorie quantique relativiste"
Felden, Marceau. La physique et l'énigme du réel: Les difficultés d'interprétation de la théorie quantique et de la relativité générale. Paris: Albin Michel, 1998.
Find full textPilote, Lomer. Les faussetés d'Einstein et de la théorie quantique: Système spirituel mathématico-philosophique. Montréal: Éditions Quebecor, 2012.
Find full textPérez, José-Philippe. Relativité et quantification: Avec exercices et problèmes résolus. Paris: Masson, 1986.
Find full textPais, Abraham. Albert Einstein: La vie et l'oeuvre : "subtil est le seigneur...". Paris: InterEditions, 1993.
Find full textSusskind, Leonard. The Black Hole War: My Battle with Stephen Hawking to Make the World Safe for Quantum Mechanics. Little, Brown and Company, 2008.
Find full textPais, Abraham. Subtle Is the Lord: The Science and the Life of Albert Einstein. Oxford University Press, USA, 2005.
Find full textBook chapters on the topic "Théorie quantique relativiste"
Riesz, Marcel. "Sur Certaines Notions Fondamentales en Théorie Quantique Relativiste." In Springer Collected Works in Mathematics, 545–70. Berlin, Heidelberg: Springer Berlin Heidelberg, 1988. http://dx.doi.org/10.1007/978-3-642-37535-4_40.
Full text"Chapitre 4 : De la mécanique quantique relativiste à la théorie quantique des champs." In Sources et évolution de la physique quantique, 189–240. EDP Sciences, 2020. http://dx.doi.org/10.1051/978-2-7598-0235-7.c007.
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