The momentum-dependent effective sound speed and multi-field inflation

For any physical system satisfying the Einstein's equations the comoving curvature perturbations satisfy an equation involving the momentum-dependent effective sound speed (MESS), valid for any system with a well defined energy-stress tensor (EST), including multi-fields models of inflation. Wh...

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Detalles Bibliográficos
Autores principales: Romano, Antonio Enea, Vallejo-Peña, Sergio Andrés, Turzyński, Krzysztof
Lenguaje:eng
Publicado: 2020
Materias:
hep-th
Particle Physics - Theory
astro-ph.CO
Astrophysics and Astronomy
gr-qc
General Relativity and Cosmology
Acceso en línea:http://cds.cern.ch/record/2722383

Internet

http://cds.cern.ch/record/2722383

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