Gravitational waves from fragmentation of a primordial scalar condensate into Q-balls

Alexander Kusenko, Anupam Mazumdar

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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.
Original languageEnglish
Article number211301
Number of pages4
JournalPhysical Review Letters
Issue number21
Publication statusPublished - Nov-2008
Externally publishedYes

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