Superconductivity fluctuations in a one-dimensional two-band electron-phonon model with strong repulsive interactions

Matveenko, S. I. ; Bishop, A. R. ; Balatsky, A. V.
Springer
Published 1997
ISSN:
1090-6509
Source:
Springer Online Journal Archives 1860-2000
Topics:
Physics
Notes:
Abstract We study a one-dimensional, two-band model with short-range electron-electron repulsions (onsite U and nearest-neighbor V terms) and electron-phonon coupling. We show that there is a region of U, V and band filling in which singlet superconductivity fluctuations are dominant. This region is absent without electron-phonon interactions and includes large values of U and V.
Type of Medium:
Electronic Resource
URL: