Theory HEP Seminar

Matrix Inflation

Hassan Firouzjahi

Institute for Research in Fundamental Sciences

In this talk a model of inflation is presented where the inflaton fields are non-commutative matrices. The inflationary potential is a function of the matrices and their commutators. It is argued that due to matrix nature of the inflaton fields the fine-tunings associated with standard chaotic inflationary models can be resolved. The spectrum of adiabatic and iso-curvature perturbations and their implications on CMB are studied. It is argued that our model of matrix inflation can naturally be embedded in string theory.