Spin-liquid condensate of spinful bosons

Biao Lian, Shoucheng Zhang

Research output: Contribution to journalArticlepeer-review

1 Scopus citations

Abstract

We introduce the concept of a bosonic spin liquid condensate (SLC), where spinful bosons in a lattice form a zero-temperature spin disordered charge condensate that preserves the spin rotation symmetry, but breaks the U(1) symmetry due to a spinless order parameter with charge one. It has an energy gap to all the spin excitations. We show that such SLC states can be realized in a system of spin S≥2 bosons. In particular, we analyze the SLC phase diagram in the spin 2 case using a mean-field variational wave function method. We show there is a direct analogy between the SLC and the resonating-valence-bond state.

Original languageEnglish (US)
Article number080402
JournalPhysical review letters
Volume113
Issue number8
DOIs
StatePublished - Aug 20 2014
Externally publishedYes

All Science Journal Classification (ASJC) codes

  • Physics and Astronomy(all)

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