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|Abstract:||We present a new scheme for constructing initial data for the Einstein field equations using the conformal thin-sandwich formulation that does not assume conformal flatness or approximate Killing vectors. This includes a method for determining free data based on superposition, as well as a way to handle black hole singularities without excision. We numerically solve the constraint equations using a multigrid algorithm with mesh refinement. We demonstrate the efficacy of the method with initial data solutions for several applications: a quasicircular binary black hole merger, a dynamical capture black hole-neutron star merger, and an ultrarelativistic collision.|
|Electronic Publication Date:||27-Nov-2012|
|Citation:||East, William E, Ramazanoglu, Fethi M, Pretorius, Frans. (2012). Conformal thin-sandwich solver for generic initial data. PHYSICAL REVIEW D, 86 (10.1103/PhysRevD.86.104053|
|Type of Material:||Journal Article|
|Journal/Proceeding Title:||PHYSICAL REVIEW D|
|Version:||Final published version. Article is made available in OAR by the publisher's permission or policy.|
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