Non-classical rotational inertia in the supersolid state

Details Non-classical rotational inertia in the supersolid state Non-classical rotational inertia in the supersolid state

2004-11-29

arxiv.org/abs/cond-mat/0411713v1

Physics

Condensed Matter

Statistical Mechanics

4 pages, 1 figure

Scientific paper

An abrupt drop in the moment of inertia recently found in solid helium 4 is explained in terms of dynamics of zero-point vacancies (ZPV). Mechanical decoupling of ZPV from the motion of the container due to Bose statistics is developed to a macroscopic phenomenon by repulsive interaction. It gives a negative answer to the question whether BEC is a necessary condition for non-classical rotational inertia in a bulk three-dimensional system.

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