Thermal Evolution of Neutron Stars as a Probe of Physics beyond the Standard Model
arXiv:2003.08199
Abstract
Thermal evolution of neutron stars (NSs) is studied as a probe of physics beyond the standard model. We first review the standard cooling theory of NSs in detail, with an emphasis on the roles of nucleon superfluidity. Then we discuss non-standard evolution with axion and dark matter (DM); axion production enhances the cooling while DM accretion leads to heating of NSs. To evaluate the effect of DM heating, we need to compare it to the rotochemical heating, which is caused by the out-of-equilibrium beta processes in a NS. In the dissertation, we also investigate the rotochemical heating in the presence of both neutron and proton superfluidity.
arXiv commentDissertation submitted to Department of Physics, University of Tokyo (Dec. 2019). 117 pages. Based on arXiv:1806.07151, arXiv:1904.04667 and arXiv:1905.02991. The code used in chapter 4 and 5 is available at https://github.com/yng87/NSHeat.jl
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