Kavli Affiliate: Joshua Frieman | First 5 Authors: Joshua A. Frieman, , , , | Summary: On-going projects to discover Type Ia supernovae at redshifts z = 0.3 – 1, coupled with improved techniques to narrow the dispersion in SN Ia peak magnitudes, have renewed the prospects for determining the cosmic deceleration parameter q_0. We […]
Kavli Affiliate: Mark SubbaRao | First 5 Authors: M. U. SubbaRao, A. J. Connolly, A. S. Szalay, D. C. Koo, | Summary: The determination of the galaxy luminosity function is an active and fundamental field in observational cosmology. In this paper we propose a cost effective way of measuring galaxy luminosity functions at faint magnitudes. […]
Kavli Affiliate: Jeffrey Harvey | First 5 Authors: Jeffrey A. Harvey, , , , | Summary: These notes present a pedagogical introduction to magnetic monopoles and exact electromagnetic duality in supersymmetric gauge theories. They are based on lectures given at the 1995 Trieste Summer School in High Energy Physics and Cosmology and at the 1995 […]
Kavli Affiliate: Anthony Zee | First 5 Authors: Anthony Zee, , , , | Summary: We discuss the problem of adding random matrices, which enable us to study Hamiltonians consisting of a deterministic term plus a random term. Using a diagrammatic approach and introducing the concept of “gluon connectedness," we calculate the density of energy […]
Kavli Affiliate: Joshua Frieman | First 5 Authors: Roman Scoccimarro, Joshua Frieman, , , | Summary: Using a diagrammatic approach to Eulerian perturbation theory, we analytically calculate the variance and skewness of the density and velocity divergence induced by gravitational evolution from Gaussian initial conditions, including corrections *beyond* leading order. Except for the power spectrum, […]
Kavli Affiliate: Wayne Hu | First 5 Authors: Wayne Hu, , , , | Summary: We develop and examine the principles governing the formation of distortions in the cosmic microwave background. Distortions in the frequency or spectral distribution of the background probe the thermal history of the universe whereas those in the angular temperature distribution […]
Kavli Affiliate: Anthony Zee | First 5 Authors: Anthony Zee, Edouard Brézin, , , | Summary: We prove that in random matrix theory there exists a universal relation between the one-point Green’s function $G$ and the connected two- point Green’s function $G_c$ given by vfill $ N^2 G_c(z,w) = {part^2 over part z part w} […]
Kavli Affiliate: Anthony Zee | First 5 Authors: Anthony Zee, Edouard Brézin, , , | Summary: We prove that in random matrix theory there exists a universal relation between the one-point Green’s function $G$ and the connected two- point Green’s function $G_c$ given by vfill $ N^2 G_c(z,w) = {part^2 over part z part w} […]
Kavli Affiliate: Robert Rosner | First 5 Authors: Eun-jin Kim, Angela Olinto, Robert Rosner, , | Summary: We study the generation and evolution of density perturbations and peculiar velocities due to primordial magnetic fields. We assume that a random magnetic field was present before recombination and follow the field’s effect on the baryon fluid starting […]
Kavli Affiliate: A. C. Davis | First 5 Authors: M. Trodden, A-C. Davis, R. Brandenberger, , | Summary: We demonstrate the viability of electroweak baryogenesis scenarios in which the necessary departure from equilibrium is realized by the evolution of a network of topological defects. We consider several effective models of TeV physics, each addressing a […]