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Towards a metallurgy of neutron star crusts
D. Kobyakov, C. J. Pethick
In the standard picture of the crust of a neutron star, matter there is simple: a body-centered-cubic (bcc) lattice of nuclei immersed in an essentially uniform electron gas. We sh…
Normal mass density of a superfluid Fermi gas at unitarity
Gordon Baym, C. J. Pethick
We calculate the normal mass density of a paired Fermi gas at unitarity. The dominant contribution near the superfluid transition is from fermionic quasiparticle excitations, and i…
Self-bound many-body states of quasi-one-dimensional dipolar Fermi gases: Exploiting Bose-Fermi mappings for generalized contact interactions
F. Deuretzbacher, G. M. Bruun, C. J. Pethick +3
Using a combination of results from exact mappings and from mean-field theory we explore the phase diagram of quasi-one-dimensional systems of identical fermions with attractive di…
Dynamics of the inner crust of neutron stars: hydrodynamics, elasticity and collective modes
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-wavelen…
Equation of state and neutron star properties constrained by nuclear physics and observation
K. Hebeler, J. M. Lattimer, C. J. Pethick +1
Microscopic calculations of neutron matter based on nuclear interactions derived from chiral effective field theory, combined with the recent observation of a 1.97 +- 0.04 M_sun ne…