Cosmology

Study of the preheating phase of chaotic inflation

Short distance and initial state effects in inflation: Stress tensor and decoherence

Attractor states and infrared scaling in deSitter space

One-loop $\lambda \phi^4$ theory in Robertson-Walker spacetimes: adiabatic regularization and analytic approximation

Analytic approximation and an improved method for computing the stress-energy of quantized scalar fields in Robertson-Walker spacetimes