Magnetothermoelectric Response at a Superfluid–Mott-Insulator Transition

M. J. Bhaseen, A. G. Green, and S. L. Sondhi
Phys. Rev. Lett. 98, 166801 – Published 18 April 2007; Erratum Phys. Rev. Lett. 98, 179901 (2007)

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.

  • Received 26 October 2006
  • Publisher error corrected 18 April 2007

DOI:https://doi.org/10.1103/PhysRevLett.98.166801

©2007 American Physical Society

Corrections

18 April 2007

Erratum

Authors & Affiliations

M. J. Bhaseen1, A. G. Green2, and S. L. Sondhi3

  • 1Rudolf Peierls Centre for Theoretical Physics, 1 Keble Road, Oxford, OX1 3NP, United Kingdom
  • 2School of Physics and Astronomy, University of St. Andrews, North Haugh, St. Andrews, Fife, KY16 9XP, United Kingdom
  • 3Department of Physics, Princeton University, Princeton, New Jersey 08544, USA

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Issue

Vol. 98, Iss. 16 — 20 April 2007

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