Cosmological gravitational particle production of dark matter during inflation and beyond

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dc.contributor.advisorLong, Andrew Jen_US
dc.creatorLing, Siyangen_US
dc.date.accessioned2024-08-30T18:29:46Zen_US
dc.date.available2024-08-30T18:29:46Zen_US
dc.date.created2024-08en_US
dc.date.issued2024-08-05en_US
dc.date.submittedAugust 2024en_US
dc.date.updated2024-08-30T18:29:46Zen_US
dc.description.abstractCosmological gravitational particle production (CGPP) is a viable production mechanism for dark matter. Spin-0, spin-1/2, spin-3/2, spin-2 fields can be produced via CGPP during inflation and reheating, and the relics can be dark matter candidates. Chapter 1 of this thesis contains the framework of CGPP, which is based on quantum field theory in curved spacetime and inflationary cosmology. Chapter 2 contains a study of CGPP in the context of alpha-attractor inflationary models. Chapter 3 contains a method for analytically evaluating CGPP of fermions, namely the Exact WKB (EWKB) method, which is based on Stokes phenomenon. Chapter 4 contains a study of CGPP of massive spin-2 fields. Chapter 5 contains a study of phenomenology of ultralight vector dark matter with nonminimal interactions with gravity.en_US
dc.format.mimetypeapplication/pdfen_US
dc.identifier.citationLing, Siyang. Cosmological gravitational particle production of dark matter during inflation and beyond. (2024). PhD diss., Rice University. https://hdl.handle.net/1911/117824en_US
dc.identifier.urihttps://hdl.handle.net/1911/117824en_US
dc.language.isoengen_US
dc.rightsCopyright is held by the author, unless otherwise indicated. Permission to reuse, publish, or reproduce the work beyond the bounds of fair use or other exemptions to copyright law must be obtained from the copyright holder.en_US
dc.subjectcosmologyen_US
dc.subjectdark matteren_US
dc.subjectquantum field theory in curved space timeen_US
dc.subjectcosmological gravitational particle productionen_US
dc.subjectexact WKB methoden_US
dc.titleCosmological gravitational particle production of dark matter during inflation and beyonden_US
dc.typeThesisen_US
dc.type.materialTexten_US
thesis.degree.departmentPhysics and Astronomyen_US
thesis.degree.disciplineNatural Sciencesen_US
thesis.degree.grantorRice Universityen_US
thesis.degree.levelDoctoralen_US
thesis.degree.nameDoctor of Philosophyen_US
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