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Lensing signals from Spin-2 perturbations

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arxiv 1510.01566 v2 pith:RYDQNXGE submitted 2015-10-06 astro-ph.CO gr-qc

classification astro-ph.COgr-qc
keywords lensingperturbationspowerspectraangularanisotropyapplyb-type
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We compute the angular power spectra of the E-type and B-type lensing potentials for gravitational waves from inflation and for tensor perturbations induced by scalar perturbations. We derive the tensor-lensed CMB power spectra for both cases. We also apply our formalism to determine the linear lensing potential for a Bianchi I spacetime with small anisotropy.

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Cited by 1 Pith paper

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  1. Spatial anisotropies from long wavelength scalar and tensor modes

    gr-qc 2024-12 accept novelty 7.0 of 10

    Superhorizon scalar and tensor perturbations in a flat matter-dominated FLRW universe locally mimic Bianchi type I, V, and IX anisotropic cosmologies.

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