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Local Approximation of the Holstein Polaron Problem

by Jean-Marc Robin
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Current price ₹2,917.00
Original price ₹3,298.00
Original price ₹3,298.00
Original price ₹3,298.00
(-12%)
₹2,917.00
Current price ₹2,917.00

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Book cover type: Paperback
  • ISBN13: 9781409270263
  • Binding: Paperback
  • Subject: N/A
  • Publisher: Lulu.com
  • Publisher Imprint: Lulu.com
  • Publication Date:
  • Pages: 156
  • Original Price: GBP 26.07
  • Language: English
  • Edition: N/A
  • Item Weight: 236 grams
  • BISAC Subject(s): General

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 conditions. We introduce a restricted basis for the phonons to study the decoupling scheme of the Green's functions in a Local Approximation via exact diagonalizations. As a bonus, we furnish all the C/C++ programs built step by step, from a pedagogical point of view.

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