Dynamics of the inner crust of neutron stars: hydrodynamics, elasticity and collective modes

Mar 6, 2013
10 pages
Published in:
  • Phys.Rev.C 87 (2013) 5, 055803,
  • Phys.Rev.C 94 (2016) 5, 059902 (erratum)
  • Published: May 13, 2013
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Abstract: (APS)
We present calculations of the hydrodynamics of the inner crust of neutron stars, where a superfluid neutron liquid coexists with a lattice of neutron-rich nuclei. The long-wavelength collective oscillations are combinations of phonons in the lattice and phonons in the superfluid neutrons. Velocities of collective modes are calculated from information about effective nucleon-nucleon interactions derived from Lattimer and Swesty's microscopic calculations based on a compressible liquid drop picture of the atomic nuclei and the surrounding neutrons.
Note:
  • Preprint NORDITA-2013-14
  • 21.65.-f
  • 26.60.Gj
  • 67.10.Jn
  • 97.60.Jd