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astro-ph.CO2025
Can spacetime torsion source an extremely red-tilted cosmological GW background?
Arko Bhaumik, Bhaswati Mandal, Soumitra SenGupta
In the presence of spacetime torsion, any generic model of gravity is conformally dual to a scalar-tensor theory augmented with a second rank antisymmetric massless degree o…
astro-ph.CO2024★ 1 cited
Absence of antisymmetric tensor fields : Clue from f(R) model of gravity
Sonej Alam, Somasri Sen, Soumitra Sengupta
One of the surprising aspects of the present Universe, is the absence of any noticeable observable effects of higher-rank antisymmetric tensor fields in any natural phenomena. Here…