To renormalize QFT on curved spacetime with an external two-form background, one must add the scalar coupling ξ2 B^2 φ^2, as confirmed by a one-loop SU(2) calculation that generates this divergence; the coupling grows in the UV.
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Renormalizable quantum field theory in curved spacetime with external two-form field
To renormalize QFT on curved spacetime with an external two-form background, one must add the scalar coupling ξ2 B^2 φ^2, as confirmed by a one-loop SU(2) calculation that generates this divergence; the coupling grows in the UV.