2 papers
cond-mat.str-el2020
Scaling properties of a spatial one-particle density-matrix entropy in many-body localized systems
Miroslav Hopjan, Fabian Heidrich-Meisner, Vincenzo Alba
We investigate a spatial subsystem entropy extracted from the one-particle density matrix (OPDM) in one-dimensional disordered interacting fermions that host a many-body localized…
cond-mat.str-el2019
Many-body localization from a one-particle perspective in the disordered 1D Bose-Hubbard model
Miroslav Hopjan, Fabian Heidrich-Meisner
We numerically investigate 1D Bose-Hubbard chains with onsite disorder by means of exact diagonalization. A primary focus of our work is on characterizing Fock-space localization i…