Emergent inflation from a Nambu–Jona-Lasinio mechanism in gravity with non-dynamical torsion Andrea Addazi, Pisin Chen and Antonino Marcianò Eur. Phys. J. C, 79 4 (2019) 297 Published online: 02 April 2019 DOI: 10.1140/epjc/s10052-019-6803-7