Gravitational waves from fragmentation of a primordial scalar condensate into Q balls.
A generic consequence of supersymmetry is the formation of a scalar condensate along the flat directions of the potential at the end of cosmological inflation. This condensate is usually unstable, and it can fragment into nontopological solitons, Q balls. The gravitational waves produced by the fragmentation can be detected by the Laser Interferometer Space Antenna, Advanced Laser Interferometer Gravitational-Wave Observatory, and Big Bang Observer, which can open an important window to the early Universe and the physics at some very high energy scales.
Kusenko
Alexander
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Department of Physics and Astronomy, University of California, Los Angeles, California 90095-1547, USA.
Mazumdar
Anupam
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