2 papers
gr-qc2002
The CWKB Method of Particle Production Near Chronology Horizon
S. Biswas, P. Misra, I. Chowdhury
In this paper we investigate the phenomenon of particle production of massles scalar field, in a model of spacetime where the chronology horizon could be formrd, using the method o…
gr-qc2002
The CWKB Method of Particle Production in Periodic Potential
S. Biswas, P. Misra, I. Chowdhury
In this work we study the particle production in time dependent periodic potential using the method of complex time WKB (CWKB) approximation. In the inflationary cosmology at the e…