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Phase Transition of Interacting Disordered Bosons in One Dimension

Authors
Ristivojevic, Zoran
Petković, Aleksandra
Le Doussal, Pierre
Published in Physical Review Letters. 2012, vol. 109, no. 2
Abstract Interacting bosons generically form a superfluid state. In the presence of disorder it can get converted into a compressible Bose glass state. Here we study such a transition in one dimension at moderate interaction using bosonization and renormalization group techniques. We derive the two-loop scaling equations and discuss the phase diagram. We find that the correlation functions at the transition are characterized by universal exponents in a finite region around the fixed point.
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RISTIVOJEVIC, Zoran et al. Phase Transition of Interacting Disordered Bosons in One Dimension. In: Physical Review Letters, 2012, vol. 109, n° 2. https://archive-ouverte.unige.ch/unige:35904

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Deposited on : 2014-04-22

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