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Nicola Bartolo on Muck Rack

Nicola Bartolo

As seen in: arXiv, Physical Review B
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Articles

Astrophysics > Cosmology and Nongalactic Astrophysics

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By Nicola Bartolo
| arXiv
arXivLabs is a framework that allows collaborators to develop and share new arXiv features directly on our website. Both individuals and organizations that work with arXivLabs have embraced and accepted our values of openness, community, excellence, and user data privacy. arXiv is committed to these values and only works with partners that adhere to them. Have an idea for a project that will add value for arXiv's community? Learn more about arXivLabs.
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Gravitational waves induced by scalar-tensor mixing

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By Sezione di Padova, Guillem Domènech, Pritha Bari, Nicola Bartolo
| Physical Review B
This paper explores the physics of second-order gravitational waves (GWs) induced by scalar-tensor perturbation interactions in the radiation-dominated Universe. We investigate the distinctive signatures of these GWs and their detectability compared to scalar-induced GWs. Unlike scalar-scalar induced GWs, scalar-tensor induced GWs do not present resonances or a logarithmic running in the low frequency tail in the case of peaked primordial spectra.
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