INTEGRABLE CHAIN OF ELECTRONS COUPLED WITH SQUEEZED PHONONS

Authors
IVANOV VA ZHURAVLEV MY MURAYAMA Y NAKAJIMA S
Citation
Va. Ivanov et al., INTEGRABLE CHAIN OF ELECTRONS COUPLED WITH SQUEEZED PHONONS, JETP letters, 64(3), 1996, pp. 148-154
Citations number
9
Categorie Soggetti
Physics
Journal title
JETP letters → ACNP
ISSN journal
00213640
Volume
64
Issue
3
Year of publication
1996
Pages
148 - 154
Database
ISI
SICI code
0021-3640(1996)64:3<148:ICOECW>2.0.ZU;2-0
Abstract
The exact wave function for a one-dimensional chain of electrons coupl ed with squeezed phonons is obtained. The ground state energy and the gap in the electron spectrum are calculated. It is shown that there ex ists an optimal phonon number n(ph)not equal 0 for the ground state of the system. The results are generalized for a system of correlated el ectrons. (C) 1996 American Institute of Physics.