期刊
PHYSICAL REVIEW LETTERS
卷 109, 期 2, 页码 -出版社
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevLett.109.026402
关键词
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资金
- ANR Grant [09-BLAN-0097-01/2]
- Swiss NSF under MaNEP and Division II
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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