Equation of state of two-dimensional He-3 at zero temperature (Articolo in rivista)

Type

• Prodotto della ricerca (Classe)
• Articolo in rivista (Classe)

Label

• Equation of state of two-dimensional He-3 at zero temperature (Articolo in rivista) (literal)

Anno

• 2012-01-01T00:00:00+01:00 (literal)

Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi

• 10.1103/PhysRevB.85.184401 (literal)

Alternative label

• Nava, M.; Motta, A.; Galli, D. E.; Vitali, E.; Moroni, S. (2012)
  Equation of state of two-dimensional He-3 at zero temperature
  in Physical review. B, Condensed matter and materials physics
  (literal)

Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori

• Nava, M.; Motta, A.; Galli, D. E.; Vitali, E.; Moroni, S. (literal)

Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume

• 85 (literal)

Rivista

• Physical review. B, Condensed matter and materials physics (Rivista)

Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#pagineTotali

• 7 (literal)

Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroFascicolo

• 18 (literal)

Note

• ISI Web of Science (WOS) (literal)

Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni

• University of Milan; IOM CNR DEMOCRITOS Natl Simulat Ctr; International School for Advanced Studies (literal)

Titolo

• Equation of state of two-dimensional He-3 at zero temperature (literal)

Abstract

• We have performed a quantum Monte Carlo study of a two-dimensional bulk sample of interacting 1/2-spin structureless fermions, a model of He-3 adsorbed on a variety of preplated graphite substrates. We have computed the equation of state and the polarization energy using both the standard fixed-node approximate technique with a simple backflow trial function and a formally exact methodology, relying on bosonic imaginary-time correlation functions of operators suitably chosen in order to extract fermionic energies. As the density increases, the fixed-node approximation predicts a transition to an itinerant ferromagnetic fluid, whereas the unbiased methodology indicates that the paramagnetic fluid is the stable phase until crystallization takes place. We find that two-dimensional He-3 at zero temperature crystallizes from the paramagnetic fluid at a density of 0.061 angstrom(-2) with a narrow coexistence region of 0.002 angstrom(-2). Remarkably, the spin susceptibility turns out in very good agreement with experiments. (literal)

Prodotto di

• MD.P06.024.001 Fluidi quantistici e sistemi elettronici fortemente correlati alla nanoscala e in dispositivi (MD.P06.024.002) (Modulo)

Autore CNR

• SAVERIO MORONI (Persona)
• ETTORE VITALI (Unità di personale esterno)

Incoming links:

Autore CNR di

• SAVERIO MORONI (Persona)
• ETTORE VITALI (Unità di personale esterno)

Prodotto

• MD.P06.024.001 Fluidi quantistici e sistemi elettronici fortemente correlati alla nanoscala e in dispositivi (MD.P06.024.002) (Modulo)

Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#rivistaDi

• Physical review. B, Condensed matter and materials physics (Rivista)