Large-scale magnetic fields from inflation due to a CPT-even Chern–Simons-like term with Kalb–Ramond and scalar fieldsKazuharu Bamba, C.Q. Geng, S.H. Ho and W.F. KaoEur. Phys. J. C, 72 4 (2012) 1978DOI: https://doi.org/10.1140/epjc/s10052-012-1978-1