TY - JOUR AU - Cabral, Francisco AU - Lobo, Francisco S. N. AU - Rubiera GarcĂ­a, Diego PY - 2019 DO - 10.1140/epjc/s10052-019-7536-3 SN - 1434-6044 UR - https://hdl.handle.net/20.500.14352/6033 T2 - European physical journal C AB - Einstein-Cartan theory is an extension of the standard formulation of General Relativity where torsion (the antisymmetric part of the affine connection) is non-vanishing. Just as the space-time metric is sourced by the stress-energy tensor of the... LA - eng PB - Springer KW - Torsion KW - Matter KW - Phase KW - Field. TI - Einstein-Cartan-Dirac gravity with U(1) symmetry breaking TY - journal article VL - 79 ER -