Covariant approach to parametrized cosmological perturbations

Covariant approach to parametrized cosmological perturbations

We present a covariant formulation for constructing general quadratic actions for cosmological perturbations, invariant under a given set of gauge symmetries for a given field content. This approach allows us to analyse scalar, vector and tensor perturbations at the same time in a straightforward ma...

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Sonraí bibleagrafaíochta
Príomhchruthaitheoirí:	Tattersall, O, Lagos, M, Ferreira, P
Formáid:	Journal article
Foilsithe / Cruthaithe:	American Physical Society 2017

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