Supersolid and the non-uniform condensate

Details Supersolid and the non-uniform condensate Supersolid and the non-uniform condensate

2005-07-24

arxiv.org/abs/cond-mat/0507553v2

Physics

Condensed Matter

Statistical Mechanics

12 pages, 0 figures

Scientific paper

We construct a model of non-uniform condensate having a spatially modulated complex order parameter that makes it kinematically an x-ray solid, i.e., a real mass density wave, but one admitting an associated superfluid flow. Intrinsic to this state is a non-classical translational inertia which we derive for the case of a potential flow. Connection to the non-classical rotational inertia observed in recent experiments on solid helium-4 is discussed. Our semi-phenomenological treatment suggests a flow-induced supersolid-to-superdfluid transition.

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