A Fermi disks model for the dynamical response of films of liquid 3He

We develop a model for the dynamical susceptibility of films of liquid 3He adsorbed on substrates. Although the film cannot be regarded as a two-dimensional system in coordinate space, we show that its spectrum of elementary excitations corresponds to that of a collection of two-dimensional Fermi li...

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Autor principal: Hernández, E.S.
Formato: JOUR
Materias:
Fermi level
Films
Gas adsorption
Helium
Mathematical models
Substrates
Fermi liquids
Helium films
Spin susceptibility
Statistical mechanics
Acceso en línea:http://hdl.handle.net/20.500.12110/paper_03784371_v257_n1-4_p99_Hernandez
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Biblioteca Digital - Facultad de Ciencias Exactas y Naturales (UBA) de Universidad de Buenos Aires
id todo:paper_03784371_v257_n1-4_p99_Hernandez
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spelling todo:paper_03784371_v257_n1-4_p99_Hernandez2023-10-03T15:32:32Z A Fermi disks model for the dynamical response of films of liquid 3He Hernández, E.S. Fermi level Films Gas adsorption Helium Mathematical models Substrates Fermi liquids Helium films Spin susceptibility Statistical mechanics We develop a model for the dynamical susceptibility of films of liquid 3He adsorbed on substrates. Although the film cannot be regarded as a two-dimensional system in coordinate space, we show that its spectrum of elementary excitations corresponds to that of a collection of two-dimensional Fermi liquids in momentum space, which might be pairwise coupled through the atom-atom interaction. The model is applied to compute the response of the film to density fluctuations and can be straightforwardly extended to investigate the spin susceptibility. © 1998 Elsevier Science B.V. All rights reserved. Fil:Hernández, E.S. Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales; Argentina. JOUR info:eu-repo/semantics/openAccess http://creativecommons.org/licenses/by/2.5/ar http://hdl.handle.net/20.500.12110/paper_03784371_v257_n1-4_p99_Hernandez
institution Universidad de Buenos Aires
institution_str I-28
repository_str R-134
collection Biblioteca Digital - Facultad de Ciencias Exactas y Naturales (UBA)
topic Fermi level
Films
Gas adsorption
Helium
Mathematical models
Substrates
Fermi liquids
Helium films
Spin susceptibility
Statistical mechanics
spellingShingle Fermi level
Films
Gas adsorption
Helium
Mathematical models
Substrates
Fermi liquids
Helium films
Spin susceptibility
Statistical mechanics
Hernández, E.S.
A Fermi disks model for the dynamical response of films of liquid 3He
topic_facet Fermi level
Films
Gas adsorption
Helium
Mathematical models
Substrates
Fermi liquids
Helium films
Spin susceptibility
Statistical mechanics
description We develop a model for the dynamical susceptibility of films of liquid 3He adsorbed on substrates. Although the film cannot be regarded as a two-dimensional system in coordinate space, we show that its spectrum of elementary excitations corresponds to that of a collection of two-dimensional Fermi liquids in momentum space, which might be pairwise coupled through the atom-atom interaction. The model is applied to compute the response of the film to density fluctuations and can be straightforwardly extended to investigate the spin susceptibility. © 1998 Elsevier Science B.V. All rights reserved.
format JOUR
author Hernández, E.S.
author_facet Hernández, E.S.
author_sort Hernández, E.S.
title A Fermi disks model for the dynamical response of films of liquid 3He
title_short A Fermi disks model for the dynamical response of films of liquid 3He
title_full A Fermi disks model for the dynamical response of films of liquid 3He
title_fullStr A Fermi disks model for the dynamical response of films of liquid 3He
title_full_unstemmed A Fermi disks model for the dynamical response of films of liquid 3He
title_sort fermi disks model for the dynamical response of films of liquid 3he
url http://hdl.handle.net/20.500.12110/paper_03784371_v257_n1-4_p99_Hernandez
work_keys_str_mv AT hernandezes afermidisksmodelforthedynamicalresponseoffilmsofliquid3he
AT hernandezes fermidisksmodelforthedynamicalresponseoffilmsofliquid3he
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