TY  - JOUR
AU  - Gómez Nicola, Ángel
PY  - 2001
DO  - 10.1103/PhysRevD.64.016011
SN  - 0556-2821
UR  - https://hdl.handle.net/20.500.14352/59578
T2  - Physical review D
AB  - We apply the formalism of chiral perturbation theory out of thermal equilibrium to describe explosive production of pions via the parametric resonance mechanism. To lowest order the Lagrangian is that of the nonlinear sigma model where the pion decay...
LA  - eng
PB  - Amer Physical Soc
KW  - Heavy-ion collisions
KW  - Finite-temperature
KW  - Phase-transition
KW  - High-energy
KW  - Particle-production
KW  - Expanding universe
KW  - Larger domains
KW  - Field-theory
KW  - Condensate
KW  - Dynamics
TI  - Pion production in nonequilibrium chiral perturbation theory
TY  - journal article
VL  - 64
ER  -