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Dependence of Density Perturbations on the Coupling Constant in a Simple Model of Inflation
Toby Falk, Raghavan Rangarajan, Mark Srednicki
In the standard inflationary scenario with inflaton potential , the resulting density perturbations are proportional to . Upper bounds on $δ…
The Angular Dependence of the Three-Point Correlation Function of the Cosmic Microwave Background Radiation as Predicted by Inflationary Cosmologies
Toby Falk, Raghavan Rangarajan, Mark Srednicki
Inflationary models predict a definite, model independent, angular dependence for the three-point correlation function of at large angles (greater than ) which…
A New Construction of the Penner Model
M. Srednicki
The free energy of the Penner model is shown to be closely related to the integral over the two diagonalizing unitary matrices of a complex rectangular matrix.
Is Purity Eternal?
Mark Srednicki
Phenomenological and formal restrictions on the evolution of pure into mixed states are discussed. In particular, it is argued that, if energy is conserved, loss of purity is incom…
Chaotic Dark Matter
R. Rangarajan, M. Srednicki
A very weakly coupled scalar field with mass and initial vacuum expectation value will provide enough mass to close the universe provided $V\simeq (3\times 10^8\gev)(100\ge…