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hep-th2026
On the Kalb-Ramond field with non-minimal coupling to gravity
Anamaria Hell, Ippei Obata
We consider a massive Kalb-Ramond field with a general non-minimal coupling to gravity. We first study the theory in flat space-time, taking into account the non-linearities. We sh…
hep-th2016
Chiral Primordial Gravitational Waves from Dilaton Induced Delayed Chromo-natural Inflation
Ippei Obata, Jiro Soda
We study inflation driven by a dilaton and an axion, both of which are coupled to a SU(2) gauge field. We find that the inflation driven by the dilaton occurs in the early stage of…