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Gravitational Waves at Strong Coupling from an Effective Action

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arxiv 2110.14442 v2 pith:C6UTKYSK submitted 2021-10-27 hep-th astro-ph.COgr-qchep-ph

Gravitational Waves at Strong Coupling from an Effective Action

classification hep-th astro-ph.COgr-qchep-ph
keywords effectiveactioncouplingdualfieldgravitationalmodelparameters
verification ladder T0 review T1 audit T2 compute T3 formal T4 reserved
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Using a holographic derivation of a quantum effective action for a scalar operator at strong coupling, we compute quasi-equilibrium parameters relevant for the gravitational wave signal from a first order phase transition in a simple dual model. We discuss how the parameters of the phase transition vary with the effective number of degrees of freedom of the dual field theory. Our model can produce an observable signal at LISA if the critical temperature is around a TeV, in a parameter region where the field theory has an approximate conformal symmetry.

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Cited by 4 Pith papers

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