Disordered one-dimensional Bose-Fermi mixtures: The Bose-Fermi glass

François Crépin, Gergely Zaránd, Pascal Simon

Research output: Contribution to journalArticle

16 Citations (Scopus)

Abstract

We analyze an interacting Bose-Fermi mixture in a 1D disordered potential by using a combination of renormalization group and variational methods. We obtain the complete phase diagram in the incommensurate case as a function of bosonic and interspecies interaction strengths, in the weak disorder limit. We find that the system is characterized by several phase transitions between superfluid and various glassy insulating states, including a new Bose-Fermi glass phase, where both species are coupled and localized. We show that the dynamical structure factor, as measured through Bragg scattering experiments, can distinguish between the various localized phases and probe their dynamics.

Original languageEnglish
Article number115301
JournalPhysical review letters
Volume105
Issue number11
DOIs
Publication statusPublished - Sep 8 2010

ASJC Scopus subject areas

  • Physics and Astronomy(all)

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