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Learning about compact binary merger: the interplay between numerical relativity and gravitational-wave astronomy
Thomas Baumgarte, Patrick Brady, Jolien D E Creighton +3
Activities in data analysis and numerical simulation of gravitational waves have to date largely proceeded independently. In this work we study how waveforms obtained from numerica…
The Einstein constraints: uniqueness and non-uniqueness in the conformal thin sandwich approach
Thomas W. Baumgarte, Niall Ó Murchadha, Harald P. Pfeiffer
We study the appearance of multiple solutions to certain decompositions of Einstein's constraint equations. Pfeiffer and York recently reported the existence of two branches of sol…
Quasiequilibrium sequences of black-hole--neutron-star binaries in general relativity
Keisuke Taniguchi, Thomas W. Baumgarte, Joshua A. Faber +1
We construct quasiequilibrium sequences of black hole-neutron star binaries for arbitrary mass ratios by solving the constraint equations of general relativity in the conformal thi…
Approximate initial data for binary black holes
Kenneth A. Dennison, Thomas W. Baumgarte, Harald P. Pfeiffer
We construct approximate analytical solutions to the constraint equations of general relativity for binary black holes of arbitrary mass ratio in quasicircular orbit. We adopt the…
Black Hole-Neutron Star Binary Merger Calculations: GRB Progenitors and the Stability of Mass Transfer
Joshua A. Faber, Thomas W. Baumgarte, Stuart L. Shapiro +2
We have calculated the first dynamical evolutions of merging black hole-neutron star binaries that treat the combined spacetime in a nonperturbative general relativistic framework.…
Black Holes: from Speculations to Observations
Thomas W. Baumgarte
This paper provides a brief review of the history of our understanding and knowledge of black holes. Starting with early speculations on ``dark stars'' I discuss the Schwarzschild…