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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 language | English |
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Article number | 166801 |
Number of pages | 4 |
Journal | Physical Review Letters |
Volume | 98 |
Issue number | 16 |
DOIs | |
Publication status | Published - 20 Apr 2007 |
Keywords
- QUANTUM CRITICAL-POINTS
- GAS
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Dive into the research topics of 'Magnetothermoelectric response at a superfluid-Mott-insulator transition'. Together they form a unique fingerprint.Projects
- 1 Finished
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Collective Phenomena - Interface: Collective Phenomena at the Interface between the Quantum and Classical Worlds
Green, A. (PI)
3/04/06 → 2/10/08
Project: Standard