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Molecular Dynamics Simulation of Shear Moduli for Coulomb Crystals
C. J. Horowitz, J. Hughto
Torsional (shear) oscillations of neutron stars may have been observed in quasiperiodic oscillations of Magnetar Giant Flares. The frequencies of these modes depend on the shear mo…
Dispersion -box correction to the weak charge of the proton
M. Gorchtein, C. J. Horowitz
We consider elastic scattering of electrons off a proton target. The parity violating (PV) asymmetry arises at leading order in due to interference of and exchange. The…
The Shear Viscosity and Thermal Conductivity of Nuclear Pasta
C. J. Horowitz, D. K. Berry
We calculate the shear viscosity and thermal conductivity of a nuclear pasta phase in neutron star crusts. This involves complex non-spherical shapes. We use semiclassical…
Shell States of Neutron Rich Matter
C. J. Horowitz, G. Shen
The equation of state (EOS) for nuclear and neutron rich matter is investigated in a Relativistic Mean Field (RMF) model. New shell states are found that minimize the free energy p…
Influence of light nuclei on neutrino-driven supernova outflows
A. Arcones, G. Martinez-Pinedo, E. O'Connor +4
We study the composition of the outer layers of a protoneutron star and show that light nuclei are present in substantial amounts. The composition is dominated by nucleons, deutero…
Thermal conductivity and phase separation of the crust of accreting neutron stars
C. J. Horowitz, O. L. Caballero, D. K. Berry
Recently, crust cooling times have been measured for neutron stars after extended outbursts. These observations are very sensitive to the thermal conductivity of the crust and…