Eur. Phys. J. Plus (2017) 132: 156
https://doi.org/10.1140/epjp/i2017-11444-6

Regular Article

A geometrical assessment of spinorial energy conditions

INFN & dipartimento di fisica, Università di Bologna, via Irnerio 46, 40126, Bologna, Italy

Received: 7 March 2017
Accepted: 11 March 2017
Published online: 10 April 2017

Abstract

We consider the problem of energy for spinor fields coupled to their surrounding curved-twisted space-time, and we show that when treated geometrically we cannot even be certain that there is a problem for the energy in the first place.