Density dynamics in the mass-imbalanced Hubbard chain

Heitmann, T; Richter, J; Dahm, T; Steinigeweg, R

Heitmann, T (corresponding author), Univ Osnabruck, Fachbereich Phys, Barbarastr 7, D-49076 Osnabruck, Germany.

PHYSICAL REVIEW B, 2020; 102 (4):

Abstract

We consider two mutually interacting fermionic particle species on a one-dimensional lattice and study how the mass ratio eta between the two species ......

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