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Observable signatures of scalar, fermion, vector and spin 2 symmetric tensor field (in the form of gravity) in our universe give rise to a natural question - why the universe is free from any perceptible signatures of massless antisymmetric tensor fields? This work proposes a natural explanation of this phenomena through higher curvature degrees of freedom in the gravity sector, which may originate from quantum corrections. In the backdrop of a $F(R)$ gravity model, we show that the scalar degree of freedom associated with higher curvature term may undergo a quantum tunneling which in turn generates a heavily suppressed coupling between any antisymmetric massless tensor modes and various Standard Model fields.

Scalaron tunneling and the fate of antisymmetric tensor fields in F(R) gravity