4-8 August 2015
America/Detroit timezone

Disorder: From Wires to Particle Production in Cosmology

6 Aug 2015, 17:30
20m
Michigan (Michigan League)

Michigan

Michigan League

Speaker

Mustafa Amin (University of Cambridge)

Description

The early universe is likely filled with a large number of interacting fields with unknown interactions. How can we quantitatively understand particle production (for example, during inflation and reheating after inflation) when such fields undergo a sufficient number of non-adiabatic, non-perturbative interactions ? Based on a precise mapping between particle production in cosmology to resistivity in disordered quasi one-dimensional wires, I provide a powerful statistical framework to resolve such seemingly intractable calculations. A number of phenomenon in disordered wires find an analogue in particle production. For example, Anderson localization in quasi one-dimensional wires can be directly mapped to exponential particle production in the early universe. Evolution equations as well as explicit solutions for the distributions of the number density of particles, along with possible applications will be provided.
Oral or Poster Presentation Oral

Primary author

Mustafa Amin (University of Cambridge)

Presentation Materials