Millicharged particles weaken pulsational pair-instability in massive stars, shifting the lower edge of the black hole mass gap upward and turning gravitational wave observations into a probe for particles with masses 35-200 keV and charges 10^{-10} to 10^{-9}.
Burns,Neutron Star Mergers and How to Study Them,Living Rev
4 Pith papers cite this work. Polarity classification is still indexing.
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Neutron stars yield tighter bounds on muonic scalar and vector fifth forces (g_φμ ≲ 10^{-12}, g_Vμ ≲ 3×10^{-13} for m_X ≲ 100 keV) than SN 1987A, plus hydrostatic constraints for long-range cases.
In post-merger disks, electron-lepton-number crossings drive fast flavor instabilities that enhance heavy lepton neutrino fluxes, while collisional instabilities are subdominant and asymmetrically raise heavy-flavor antineutrino energies.
A pedagogical review of Love numbers and tidal responses for black holes and compact objects in general relativity and extensions.
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Love numbers of black holes and compact objects
A pedagogical review of Love numbers and tidal responses for black holes and compact objects in general relativity and extensions.