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Excitation spectrum in two-dimensional superfluid ⁴He

Excitation spectrum in two-dimensional superfluid ⁴He

In this work we perform an ab-initio study of an ideal two-dimensional sample of ⁴He atoms, a model for ⁴He films adsorbed on several kinds of substrates. Starting from a realistic hamiltonian we face the microscopic study of the excitation phonon–roton spectrum of the system at zero temperature...

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Bibliographic Details
Main Authors: Arrigoni, F., Vitali, E., Galli, D.E., Reatto, L.
Format: Article
Language:English
Published: Фізико-технічний інститут низьких температур ім. Б.І. Вєркіна НАН України 2013
Series:Физика низких температур
Subjects:
Сверхтекучесть в низкоразмерных системах и в условиях ограниченной геометрии
Online Access:http://dspace.nbuv.gov.ua/handle/123456789/118751
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http://dspace.nbuv.gov.ua/handle/123456789/118751

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