Journal
JOURNAL OF HIGH ENERGY PHYSICS
Volume -, Issue 6, Pages -Publisher
SPRINGER
DOI: 10.1007/JHEP06(2021)129
Keywords
Cosmology of Theories beyond the SM; Beyond Standard Model
Categories
Funding
- Research Grants Council of Hong Kong [16301917, 16304418, 16303819]
- NSFC Excellent Young Scientist (EYS) Scheme (Hong Kong and Macau) [12022516]
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This study analyzes gravitational particle production assisted by chemical potential, using the uniformly smoothed Stokes-line method and Borel summation. Analytic/semi-analytic formulae describing the production of spin-1 and spin-1/2 particles in various FRW spacetimes are obtained. The work serves as a concrete demonstration of the uniformly smoothed Stokes-line method applied to cosmology.
We analyze gravitational particle production assisted by chemical potential. By utilizing the uniformly smoothed Stokes-line method and Borel summation, we gain insight into the fine-grained history of enhanced particle production. Analytic/semi-analytic formulae describing the production amount, time and width are obtained for both spin-1 and spin-1/2 particles in various FRW spacetimes. Our work also serves as a concrete demonstration of the uniformly smoothed Stokes-line method applied to cosmology.
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