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On the Existence of Supersolid 4He Monolayer Films

  • Massimo Boninsegni
Article

Abstract

Extensive Monte Carlo simulations of 4He monolayer films adsorbed on weak substrates have been carried out, aimed at ascertaining the possible occurrence of a quasi-two-dimensional supersolid phase. Only crystalline films not registered with underlying substrates are considered. Numerical results yield strong evidence that 4He will not form a supersolid film on any substrate strong enough to stabilize a crystalline layer. On weaker substrates, continuous growth of a liquid film takes place.

Keywords

Superfluidity Low-dimensional systems Helium films Quantum Monte Carlo 

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Copyright information

© Springer Science+Business Media, LLC 2011

Authors and Affiliations

  1. 1.Department of PhysicsUniversity of AlbertaEdmontonCanada

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