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Barranco, M.; Jezek, D.M.; Hernández, E.S.; Navarro, J.; Serra, Ll. "A density functional for liquid3He" (1993) Zeitschrift für Physik D: Atoms, Molecules and Clusters. 28(3):257-267
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Abstract:

We present a density functional for the description of liquid3He properties at zero temperature in a mean field approximation. Its basic ingredients are a zero-range, particle- and spin-density dependent effective interaction of Skyrme type, and a long-range effective interaction of Lennard-Jones type supplemented with a weighted density approximation similar to the one used in the study of classical fluids, to phenomenologically account for short range correlations. After fixing the value of its parameters, the functional yields a good description of the equation of state and Landau parameters (spin symmetric and spin antisymmetric as well) from saturation to solidification densities. The zero sound propagation at finite momentum transfer is quantitatively reproduced up to the Fermi momentum, and qualitatively above it. The surface tension is in agreement with experiment, which makes the functional well suited for3He drop calculations. We describe the structure of drops made of up to 516 atoms. As a novel application, we discuss the possible appearance of triplet pairing in a nl-shell of a drop, applying the formalism to the 1 j-shell holding up to 30 atoms from N=169 to 198. © 1993 Springer-Verlag.

Registro:

Documento: Artículo
Título:A density functional for liquid3He
Autor:Barranco, M.; Jezek, D.M.; Hernández, E.S.; Navarro, J.; Serra, Ll.
Filiación:Department d'Estructura i Constituents de la Matèria, Facultad de Física, Universitat de Barcelona, Barcelona, E-08028, Spain
Departmento de Fisica, Facultad de Ciencias Exactas y Naturales, Universidad de Buenos Aires, Buenos Aires, RA-1428, Argentina
Department de Fisica Atòmica, Molecular i Nuclear, Universitat de València, Buriassot, Valencia, E-46100, Spain
Dipartimento di Fisica, Universitá degli Studi di Milano, Milano, I-20133, Italy
Palabras clave:36.40.+d; 64.60.-i; 67.55.Cs; 67.57.Bc
Año:1993
Volumen:28
Número:3
Página de inicio:257
Página de fin:267
DOI: http://dx.doi.org/10.1007/BF01437892
Título revista:Zeitschrift für Physik D: Atoms, Molecules and Clusters
Título revista abreviado:Z Phys D - Atoms, Molecules and Clusters
ISSN:01787683
Registro:https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_01787683_v28_n3_p257_Barranco

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Citas:

---------- APA ----------
Barranco, M., Jezek, D.M., Hernández, E.S., Navarro, J. & Serra, Ll. (1993) . A density functional for liquid3He. Zeitschrift für Physik D: Atoms, Molecules and Clusters, 28(3), 257-267.
http://dx.doi.org/10.1007/BF01437892
---------- CHICAGO ----------
Barranco, M., Jezek, D.M., Hernández, E.S., Navarro, J., Serra, Ll. "A density functional for liquid3He" . Zeitschrift für Physik D: Atoms, Molecules and Clusters 28, no. 3 (1993) : 257-267.
http://dx.doi.org/10.1007/BF01437892
---------- MLA ----------
Barranco, M., Jezek, D.M., Hernández, E.S., Navarro, J., Serra, Ll. "A density functional for liquid3He" . Zeitschrift für Physik D: Atoms, Molecules and Clusters, vol. 28, no. 3, 1993, pp. 257-267.
http://dx.doi.org/10.1007/BF01437892
---------- VANCOUVER ----------
Barranco, M., Jezek, D.M., Hernández, E.S., Navarro, J., Serra, Ll. A density functional for liquid3He. Z Phys D - Atoms, Molecules and Clusters. 1993;28(3):257-267.
http://dx.doi.org/10.1007/BF01437892