TY - JOUR AU - Dobado González, Antonio AU - López Maroto, Antonio PY - 1999 DO - 10.1103/PhysRevD.60.104045 SN - 0556-2821 UR - https://hdl.handle.net/20.500.14352/58720 T2 - Physical Review D AB - In this paper we show how the nonlocal effective action for gravity, obtained after integrating out the matter fields, can be used to compute particle production and spectra for different space-time metrics. Applying this technique to several... LA - eng PB - American Physical Society KW - Covariant Perturbation-Theory KW - Loop Effective Action KW - Early Universe KW - Inflation KW - Anisotropy KW - Field TI - Particle production from nonlocal gravitational effective action TY - journal article VL - 60 ER -