3 papers
cond-mat.str-el2023
Enhanced Drude weight in a 1D system of fermions with pair hopping events
M. S. Bahovadinov, R. O. Sharipov, B. L. Altshuler +1
In one dimension density-density interactions of particles reduce their mobility and hence the Drude weight, which controls the divergence of the optical conductivity at zero frequ…
cond-mat.dis-nn2021
Many-body localization of 1D disordered impenetrable two-component fermions
M. S. Bahovadinov, D. V. Kurlov, B. L. Altshuler +1
We study effects of disorder on eigenstates of 1D two-component fermions with infinitely strong Hubbard repulsion. We demonstrate that the spin-independent (potential) disorder red…
cond-mat.dis-nn2017
Finite temperature disordered bosons in two dimensions
G. Bertoli, V. P. Michal, B. L. Altshuler +1
We study phase transitions in a two dimensional weakly interacting Bose gas in a random potential at finite temperatures. We identify superfluid, normal fluid, and insulator phases…