Equation of state of superfluid neutron matter and the calculation of the S-1(0) pairing gap (Articolo in rivista)

Type
Label
  • Equation of state of superfluid neutron matter and the calculation of the S-1(0) pairing gap (Articolo in rivista) (literal)
Anno
  • 2008-01-01T00:00:00+01:00 (literal)
Alternative label
  • Gandolfi, S; Illarionov, AY; Fantoni, S; Pederiva, F; Schmidt, KE (2008)
    Equation of state of superfluid neutron matter and the calculation of the S-1(0) pairing gap
    in Physical review letters (Print)
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • Gandolfi, S; Illarionov, AY; Fantoni, S; Pederiva, F; Schmidt, KE (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
  • 101 (literal)
Rivista
Note
  • ISI Web of Science (WOS) (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • \"[Gandolfi, S.; Illarionov, A. Yu.; Fantoni, S.] Scuola Int Super Studi Avanzati, SISSA, I-34014 Trieste, Italy; [Gandolfi, S.] Ist Nazl Fis Nucl, Sez Trieste, Trieste, Italy; [Fantoni, S.; Pederiva, F.] Natl Simulat Ctr, DEMOCRITOS, CNR, INFM, Trieste, Italy; [Pederiva, F.] Univ Trent, Dipartimento Fis, I-38050 Trento, Italy; [Schmidt, K. E.] Arizona State Univ, Dept Phys, Tempe, AZ 85287 USA (literal)
Titolo
  • Equation of state of superfluid neutron matter and the calculation of the S-1(0) pairing gap (literal)
Abstract
  • We present a quantum Monte Carlo study of the zero-temperature equation of state of neutron matter and the computation of the S-1(0) pairing gap in the low-density regime with rho < 0.04 fm(-3). The system is described by a nonrelativistic nuclear Hamiltonian including both two- and three-nucleon interactions of the Argonne and Urbana type. This model interaction provides very accurate results in the calculation of the binding energy of light nuclei. A suppression of the gap with respect to the pure BCS theory is found, but sensibly weaker than in other works that attempt to include polarization effects in an approximate way. (literal)
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