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Paper detail

Lensing signals from Spin-2 perturbations

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.

preprint2016arXivOpen access
Julian AdamekRuth DurrerVittorio Tansella
astro-ph.COgr-qc
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Julian AdamekRuth DurrerVittorio Tansella

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