Publication
Physical Review Letters
Paper

Onset of superfluidity in random media

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Abstract

The zero-temperature superfluid onset transition for a system of repulsively interacting bosons in a random potential is studied. The associated quantum critical behavior is characterized in d dimensions by exponents 2/d, and a dynamic exponent z. Static and dynamic scaling laws are derived: Some measureable exponents, such as z=d, are predicted exactly. Applications to experiments on He4 absorbed in porous media are discussed. © 1988 The American Physical Society.

Date

17 Oct 1988

Publication

Physical Review Letters

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