Inflationary models on Thurston geometries admit a stable anisotropic fixed point triggered by eccentricity-induced vector field coupling to the inflaton.
Large-scale geometry of the universe.Journal of Cosmology and Astroparticle Physics, 2024(01):010
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The authors introduce Thurston spacetimes as cosmological backgrounds, solve transfer equations for temperature and polarization patterns, and analyze symmetries in Stokes parameters to attempt isolation of individual geometries.
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Cosmological viability of anisotropic inflation in Thurston spacetimes
Inflationary models on Thurston geometries admit a stable anisotropic fixed point triggered by eccentricity-induced vector field coupling to the inflaton.
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Modifications of CMB Temperature and Polarization Quadrupole Signals in Thurston Spacetimes
The authors introduce Thurston spacetimes as cosmological backgrounds, solve transfer equations for temperature and polarization patterns, and analyze symmetries in Stokes parameters to attempt isolation of individual geometries.