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Particle-Hole Symmetry and the Bose Glass to Superfluid Transition

Mukhopadhyay, Ranjan and Weichman, Peter B. (1996) Particle-Hole Symmetry and the Bose Glass to Superfluid Transition. Physical Review Letters, 76 (16). pp. 2977-2980. ISSN 0031-9007. http://resolver.caltech.edu/CaltechAUTHORS:MUKprl96

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Abstract

The generic Hamiltonian describing the zero temperature transition between the insulating Bose glass phase and the superfluid phase lacks particle-hole symmetry, but a statistical version of this symmetry is believed to be restored at the critical point. We show that the renormalization group relevance of particle-hole asymmetry may be explored in a controlled fashion only for small time dimensions, ετ≪1, where we find a stable particle-hole asymmetric and an unstable particle-hole symmetric fixed point, but we provide evidence that the two merge for some finite ετ≈2/3, which tends to confirm symmetry restoration at the physical ετ = 1.


Item Type:Article
Additional Information:©1996 The American Physical Society Received 15 November 1995 This research was supported by the Sloan Foundation and the NSF under Grant No. DMR-9308205.
Record Number:CaltechAUTHORS:MUKprl96
Persistent URL:http://resolver.caltech.edu/CaltechAUTHORS:MUKprl96
Alternative URL:http://dx.doi.org/10.1103/PhysRevLett.76.2977
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:3568
Collection:CaltechAUTHORS
Deposited By: Archive Administrator
Deposited On:16 Jun 2006
Last Modified:26 Dec 2012 08:55

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