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.
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Boninsegni, M. On the Existence of Supersolid 4He Monolayer Films. J Low Temp Phys 165, 67 (2011). https://doi.org/10.1007/s10909-011-0393-6
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DOI: https://doi.org/10.1007/s10909-011-0393-6