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Ground state features of the Fröhlich model

Filippis, G. and Cataudella, V. and Perroni, C. and Ramaglia, V. and Bercioux, D. (2003) Ground state features of the Fröhlich model. European Physical Journal B 36, p. 65.

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Other URL: http://www.edpsciences.org/articles/epjb/abs/2003/21/b03375/b03375.html


Abstract

Following the ideas behind the Feynman approach, a variational wave function is proposed for the Fröhlich model. It is shown that it provides, for any value of the electron-phonon coupling constant, an estimate of the polaron ground state energy better than the Feynman method based on path integrals. The mean number of phonons, the average electronic kinetic and interaction energies, the ground ...

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Item Type:Article
Date:2003
Institutions:UNSPECIFIED
Identification Number:
ValueType
cond-mat/0309309arXiv ID
Related URLs:
URLURL Type
http://de.arxiv.org/abs/cond-mat/0309309Preprint
Subjects:500 Science > 530 Physics
Status:Published
Refereed:Yes, this version has been refereed
Created at the University of Regensburg:Yes
Owner: Redakteur Physik
Deposited On:20 Mar 2007
Last Modified:05 Aug 2009 13:30
Item ID:1539
Owner Only: item control page
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