Magnetothermoelectric response at a superfluid-Mott-insulator transition

M. J. Bhaseen, A. G. Green, S. L. Sondhi

Research output: Contribution to journalArticlepeer-review

21 Citations (Scopus)

Abstract

We investigate the finite temperature magnetothermoelectric response in the vicinity of a superfluid-Mott-insulator quantum phase transition. We focus on the particle-hole symmetric transitions of the Bose-Hubbard model, and combine Lorentz invariance arguments with quantum Boltzmann calculations. By means of an epsilon expansion, we find that a nonvanishing thermoelectric tensor and a finite thermal transport coefficient are supported in this quantum critical regime. We comment on the singular Nernst effect in this problem.

Original languageEnglish
Article number166801
Number of pages4
JournalPhysical Review Letters
Volume98
Issue number16
DOIs
Publication statusPublished - 20 Apr 2007

Keywords

  • QUANTUM CRITICAL-POINTS
  • GAS

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