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Production of fermions in models of string cosmology
Ram Brustein, Merav Hadad
Production of spin 1/2 fermions and gravitinos by the standard mechanism of amplification of quantum fluctuations during the dilaton-driven inflation phase in models of string cosm…
Dark Matter in Models of String Cosmology
Ram Brustein, Merav Hadad
The origin of dark matter in the universe may be weakly interacting scalar particles produced by amplification of quantum fluctuations during a period of dilaton-driven inflation.…
Cold and Hot Dark Matter from a Single Nonthermal Relic
Ram Brustein, Merav Hadad
The origin of dark matter in the universe may be scalar particles produced by amplification of quantum fluctuations during a period of dilaton-driven inflation. We show, for the fi…
Dark Matter Axions in Models of String Cosmology
Ram Brustein, Merav Hadad
Axions are produced during a period of dilaton-driven inflation by amplification of quantum fluctuations. We show that for some range of string cosmology parameters and some range…