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10 papers · 1 filter
The Dynamical Evolution of Black Hole-Neutron Star Binaries in General Relativity: Simulations of Tidal Disruption
Joshua A. Faber, Thomas W. Baumgarte, Stuart L. Shapiro +2
We calculate the first dynamical evolutions of merging black hole-neutron star binaries that construct the combined black hole-neutron star spacetime in a general relativistic fram…
Level-rank duality of D-branes on the SU(N) group manifold
Stephen G. Naculich, Howard J. Schnitzer
The consequences of level-rank duality for untwisted D-branes on an SU(N) group manifold are explored. Relations are found between the charges of D-branes (which are classified by…
The Pi-Pebbling Function
T. Ballie Arnold
Recent research in graph pebbling has introduced the notion of a cover pebbling number. Along this same idea, we develop a more general pebbling function Pi(G, t, P). This measures…
Bounding right-arm rotation distances
Sean Cleary, Jennifer Taback
Rotation distance measures the difference in shape between binary trees of the same size by counting the minimum number of rotations needed to transform one tree to the other. We d…
Towards a wave--extraction method for numerical relativity: III. Analytical examples for the Beetle--Burko radiation scalar
Lior M. Burko, Thomas W. Baumgarte, Christopher Beetle
Beetle and Burko recently introduced a background--independent scalar curvature invariant for general relativity that carries information only about the gravitational radiation in…
Black hole-neutron star binaries in general relativity: effects of neutron star spin
Keisuke Taniguchi, Thomas W. Baumgarte, Joshua A. Faber +1
We present new sequences of general relativistic, quasiequilibrium black hole-neutron star binaries. We solve for the gravitational field in the conformal thin-sandwich decompositi…