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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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.
|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.|
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|Deposited On:||16 Jun 2006|
|Last Modified:||18 Sep 2014 18:11|
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