Gravitational waves from Affleck-Dine condensate fragmentation

Abstract

We compute the stochastic gravitational wave production from Affleck-Dine condensate fragmentation in the early universe, focusing on an effective potential with a logarithmic mass correction that typically arises in gravity mediated supersymmetry breaking scenarios. We find that a significant gravitational wave background can be generated when Q-balls are being formed out of the condensate fragmentation. This gravitational wave background has a distinct multi-peak power spectrum where the trough is closely linked to the supersymmetry breaking scale and whose frequencies are peaked around kHz for TeV supersymmetry breaking.

11 pages, 4 figures, accepted by JCAP

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• The fate of small classically stable Q-balls
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• Q-holes
• Excited oscillons: cascading levels and higher multipoles
• Sensitivity of gravitational waves from preheating to a scalar field's interactions
• An Energetically Stable Q-ball solution in 3+1 Dimensions
• Radiative corrections and instability of large Q-Balls
• Q-balls Formation and the Production of Gravitational Waves With Non-minimal Gravitational Coupling
• Probing baryogenesis with gravitational waves