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Title: Two-dimensional Wigner crystal on helium films: an indication of quantum melting
Authors: Cunha, J. A. R. da
Cândido, Ladir
Assunto:: Cristal Wigner
Dinâmica molecular
Temperatura de fusão
Issue Date: 2006
Publisher: Sociedade Brasileira de Física
Citation: Braz. J. Phys.,v.36,n.3a,p.682-684,2006
Abstract: Using molecular dynamics simulation (MD) we have investigated the melting of the two-dimensional Wigner crystal on 240Å-500Å liquid helium films supported by substrates of dielectric constants epsilons = 2.2-7.3. Our results show good agreement with available theoretical and experimental results for densities below 1.0×10(10)cm-2. For higher densities, we notice some disagreements suggesting that quantum effects are important in this regime of densities.
metadata.dc.description.unidade: Em processamento
DOI: https://dx.doi.org/10.1590/S0103-97332006000500019
Appears in Collections:Artigos publicados em periódicos e afins

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