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14 papers · 1 filter
Matrix model approach to the N=2 U(N) gauge theory with matter in the fundamental representation
S. Naculich, H. Schnitzer, N. Wyllard
We use matrix model technology to study the N=2 U(N) gauge theory with N_f massive hypermultiplets in the fundamental representation. We perform a completely perturbative calculati…
General-Relativistic MHD for the Numerical Construction of Dynamical Spacetimes
Thomas W. Baumgarte, Stuart L. Shapiro
We assemble the equations of general relativistic magnetohydrodynamics (MHD) in 3+1 form. These consist of the complete coupled set of Maxwell equations for the electromagnetic fie…
Collapse of a Magnetized Star to a Black Hole
Thomas W. Baumgarte, Stuart L. Shapiro
We study of the collapse of a magnetized spherical star to a black hole in general relativity theory. The matter and gravitational fields are described by the exact Oppenheimer-Sny…
The N=2 gauge theory prepotential and periods from a perturbative matrix model calculation
S. Naculich, H. Schnitzer, N. Wyllard
We perform a completely perturbative matrix model calculation of the physical low-energy quantities of the N=2 U(N) gauge theory. Within the matrix model framework we propose a per…
Numerical Relativity and Compact Binaries
Thomas W. Baumgarte, Stuart L. Shapiro
Numerical relativity is the most promising tool for theoretically modeling the inspiral and coalescence of neutron star and black hole binaries, which, in turn, are among the most…
Comparing Criteria for Circular Orbits in General Relativity
Monica L. Skoge, Thomas W. Baumgarte
We study a simple analytic solution to Einstein's field equations describing a thin spherical shell consisting of collisionless particles in circular orbit. We then apply two indep…