Mass-imbalanced ionic Hubbard chain

Sekania, M; Baeriswyl, D; Jibuti, L; Japaridze, GI

Sekania, M (reprint author), Univ Augsburg, Inst Phys, Ctr Elect Correlat & Magnetism, Theoret Phys 3, D-86135 Augsburg, Germany.; Sekania, M (reprint author), Javakhishvili Tbilisi State Univ, Andronikashvili Inst Phys, Tamarashvili Str 6, Tbilisi 0177,

PHYSICAL REVIEW B, 2017; 96 (3):

Abstract

A repulsive Hubbard model with both spin-asymmetric hopping (t(up arrow) not equal t(down arrow)) and a staggered potential (of strength Delta) is stu......

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