LIBROS DEL AUTOR: jean marc robin

3 resultados para LIBROS DEL AUTOR: jean marc robin

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  • Dynamical Mean Field Theory
    Jean-Marc ROBIN
    This book is a short introduction to the Dynamical Mean-Field Theory for strongly correlated electrons. Its purpose is to focus on various local decoupling schemes in order to derive a self-consistent approximation and to map the lattice problem onto an impurity problem. Hubbard, Holstein, and Falicov-Kimball models are mainly used to provide examples of calculation. Numerous b...
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    42,49 €

  • Cellular Dynamical Mean Field Theory of the Holstein Polaron Problem
    Jean-Marc ROBIN
    We show how to set up a Cellular Dynamical Mean Field Theory for the Holstein’s polaron problem using the exact solution of a cluster of n sites embedded in a Weiss’s field. We show that a restricted basis, that allows excitations of phonons only for n sites at a time, reproduces exactly the equations of the n-site Dynamical Mean Field Theory, and enables to check the proposed ...
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    43,02 €

  • Local Approximation of the Holstein Polaron Problem
    Jean-Marc ROBIN
    We review the Dynamical Mean Field Theory of the Holstein Polaron Problem in order to compute the small polaron Green’s functions. The Renormalized Perturbation Expansion (RPE) play a central role and allows to compute all the local and non local Green’s functions for the electron and the small polaron, for finite or infinite size systems, with periodic or non periodic boundary...
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    48,80 €