John T. Giblin Jr, Larry R. Price, Xavier Siemens, Brian Vlcek
Global second-order phase transitions are expected to produce scale-invariant
gravitational wave spectra. In this manuscript we explore the dynamics of a
symmetry-breaking phase transition using lattice simulations. We explicitly
calculate the stochastic gravitational wave background produced during the
transition and subsequent self-ordering phase. We comment on this signal as it
compares to the scale-invariant spectrum produced during inflation.
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http://arxiv.org/abs/1111.4014
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