Oscillating scalar-field dark matter in supergravity
Seto, Osamu · Kohri, K. · Nakamura, Takashi
Original · EN
We show that an oscillating scalar field in supergravity of mass of the order of TeV with a nonzero vacuum expectation value (10¹⁰ GeV) can be a candidate of cold dark matter (CDM). To avoid the gravitino problem, we need a low reheating temperature after the primordial inflation. Then, the energy density of the oscillating scalar field satisfies all the requirements for CDM at present in the universe.
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