Title of article
Small bipolarons in the 2-dimensional Holstein-Hubbard model. I- The adiabatic limit
Author/Authors
Aubry، S. نويسنده , , Proville، L. نويسنده ,
Issue Information
روزنامه با شماره پیاپی سال 1999
Pages
-40
From page
41
To page
0
Abstract
By using integral representations the perturbation expansion and the Bogoliubov inequality ain nonextensive Tsallis statistics are investigated in a unified way. This procedure extends the analysis performed recently by Lenzi et al. [Phys. Rev. Lett. 80, 218 (1998)] to the quantum (discrete spectra) case, for q < 1. An example is presented in order to illustrate the method.
Keywords
anyon mechanism , marginal Fermi liquid , Luttinger liquid , Electronic structure , Lattice fermion models (Hubbard model, etc.) , Polarons , electron-phonon , Interactions , Nonconventional mechanisms , polarons and bipolarons , spin fluctuations , resonating valence bond model
Journal title
EUROPEAN PHYSICAL JOURNAL B
Serial Year
1999
Journal title
EUROPEAN PHYSICAL JOURNAL B
Record number
6752
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