Oscillating scalar-field dark matter in supergravity

Details Oscillating scalar-field dark matter in supergravity Oscillating scalar-field dark matter in supergravity

2001-09-28

arxiv.org/abs/hep-ph/0109276v1

JHEP 0109:032,2001

Physics

High Energy Physics

High Energy Physics - Phenomenology

LaTeX JHEP-format, to appear in JHEP

Scientific paper

10.1088/1126-6708/2001/09/032

We show that an oscillating scalar field in supergravity of mass of the order of $\sim$ TeV with a nonzero vacuum expectation value ($\sim 10^{10}$ 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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