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arXiv · 1111.1707

Theory of Supersolidity

Philip W. Anderson
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Abstract

After reviewing some experimental facts, and early theories, I sketch the Hartree-Fock description of Boson solids, emphasizing the contrast with the Fermion case in that the natural solution is a product of local wave-functions. I then investigate the Boson Hubbard model to demonstrate that the local functions are not orthogonal and exemplify a novel state of matter which has superflow but not ODLRO, below a cooperative thermal transition. I then discuss whether or not these ideas actually apply to solid He.

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Philip W. Anderson. 2011-11-07. Theory of Supersolidity. https://doi.org/10.1007/s10909-012-0663-y

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