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astro-ph2005
Perturbative analysis of multiple-field cosmological inflation
Joydev Lahiri, Gautam Bhattacharya
We develop a general formalism for analyzing linear perturbations in multiple-field cosmological inflation based on the gauge-ready approach. Our inflationary model consists of an…
hep-th2005
Criteria for Exact Solubility of Relativistic Field Theories by Scattering Transform
Gautam Bhattacharya
Scattering transform is a well known powerful tool for quantisation of field theories in (1+1) dimensions. Conventionally only those models whose classical counterparts admit a Lax…