Quench-induced floquet topological p-wave superfluids

Matthew S. Foster, Victor Gurarie, Maxim Dzero, Emil A. Yuzbashyan

Research output: Contribution to journalArticlepeer-review

75 Scopus citations

Abstract

Ultracold atomic gases in two dimensions tuned close to a p-wave Feshbach resonance were expected to exhibit topological superfluidity, but these were found to be experimentally unstable. We show that one can induce a topological Floquet superfluid if weakly interacting atoms are brought suddenly close ("quenched") to such a resonance, in the time before the instability kicks in. The resulting superfluid possesses Majorana edge modes, yet differs from a conventional Floquet system as it is not driven externally. Instead, the periodic modulation is self-generated by the dynamics.

Original languageEnglish (US)
Article number076403
JournalPhysical review letters
Volume113
Issue number7
DOIs
StatePublished - Aug 13 2014

All Science Journal Classification (ASJC) codes

  • Physics and Astronomy(all)

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