TY  - JOUR
AU  - López Maroto, Antonio
PY  - 1999
DO  - 10.1103/PhysRevD.59.063501
SN  - 0556-2821
UR  - https://hdl.handle.net/20.500.14352/59336
T2  - Physical Review D
AB  - We study the production of massive fermions in arbitrary vector and axial-vector classical backgrounds using effective action techniques. A perturbative calculation shows the different features of each field and in particular it is seen that pure...
LA  - eng
PB  - American Physical Society
KW  - String cosmology
KW  - Inflation
KW  - Universe
KW  - Torsion
KW  - Vacuum
KW  - Model
KW  - Time
TI  - Particle production from axial fields
TY  - journal article
VL  - 59
ER  -