Thursday, March 7, 2013

1303.1315 (D. Kobyakov et al.)

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

D. Kobyakov, C. J. Pethick
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.
View original: http://arxiv.org/abs/1303.1315

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