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astro-ph.CO2023★ 2 cited
Cosmological gravitational particle production and its implications for cosmological relics
Edward W. Kolb, Andrew J. Long
Cosmological gravitational particle production (CGPP) is the creation of particles in an expanding universe due solely to their gravitational interaction. These particles can play…
hep-ph2023
Neutron star cooling with lepton-flavor-violating axions
Hong-Yi Zhang, Ray Hagimoto, Andrew J. Long
The cores of dense stars are a powerful laboratory for studying feebly coupled particles such as axions. Some of the strongest constraints on axionlike particles and their coupling…