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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…
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…
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…
Neutrino Scattering in Heterogeneous Supernova Plasmas
O. L Caballero, C. J. Horowitz, D. K. Berry
Neutrinos in core collapse supernovae are likely trapped by neutrino-nucleus elastic scattering. Using molecular dynamics simulations, we calculate neutrino mean free paths and ion…
Supernova Observation Via Neutrino-Nucleus Elastic Scattering in the CLEAN Detector
C. J. Horowitz, K. J. Coakley, D. N. McKinsey
Development of large mass detectors for low-energy neutrinos and dark matter may allow supernova detection via neutrino-nucleus elastic scattering. An elastic-scattering detector c…