9 citations
2 papers
cond-mat.supr-con2004★ 1 cited
Andreev reflection in Bi_{1.8}Pb_{0.3}Sr_{1.9}Ca_2Cu_3O_x break junction
D. M. Gokhfeld, D. A. Balaev, K. A. Shaykhutdinov +2
The current-voltage characteristic (CVC) of break junction made from polycrystalline Bi_{1.8}Pb_{0.3}Sr_{1.9}Ca_2Cu_3O_x is investigated. The experimental CVC has hysteretic featur…
cond-mat.str-el2004★ 9 cited
Generalization of Luttinger's Theorem for Strongly Correlated Electron Systems
M. M. Korshunov, S. G. Ovchinnikov
Analyzing general structure of the Green function of a strongly correlated electron system we have shown that for the regime of strong correlations Luttinger's theorem should be ge…