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Phase Transition in a System of One-Dimensional Bosons with Strong Disorder

Altman, Elud and Kafri, Yariv and Polkovnikov, Anatoli and Refael, Gil (2004) Phase Transition in a System of One-Dimensional Bosons with Strong Disorder. Physical Review Letters, 93 (15). Art. No. 150402. ISSN 0031-9007. doi:10.1103/PhysRevLett.93.150402.

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We study one-dimensional disordered bosons at large commensurate filling. Using a real space renormalization group approach, we find a new random fixed point which controls a phase transition from a superfluid to an incompressible Mott glass. The transition can be tuned by changing the disorder distribution even with vanishing interactions. We derive the properties of the transition, which suggest that it is in the Kosterlitz-Thouless universality class.

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Additional Information:©2004 The American Physical Society (Received 6 February 2004; published 7 October 2004) We are grateful to L. Balents, E. Demler, D.S. Fisher, M.P.A. Fisher, S.M. Girvin, D. Greenbaum, A. Paramekanti, N. Prokof’ev, S. Sachdev, and D-W. Wang for useful discussions and comments. This work was supported by ARO and NSF under Grants No. DMR-0233773, No. DMR-0231631, No. DMR-0213805, No. DMR-0229243, and No. PHY99-07949.
Subject Keywords:boson systems; phase transformations; renormalisation; random processes; superfluidity
Issue or Number:15
Record Number:CaltechAUTHORS:ALTprl04
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Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:7104
Deposited By: Archive Administrator
Deposited On:09 Jan 2007
Last Modified:08 Nov 2021 20:39

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