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Showing 1 to 2 of 2 for “"Double null gauge"”.
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A Scattering Theory for Linearised Gravity on the Exterior of the Schwarzschild Black Hole
… equations on a Schwarzschild background in a double null gauge. We perform this construction in two parts. In Part I, we construct a scattering theory for the spin ±2 Teukolsky equations, which govern certain the extremal, gauge-invariant components of the linearised curvature. This is done by …
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The Gregory--Laflamme Instability and Conservation Laws for Linearised Gravity
… a choice of ansatz for the perturbation and a gauge choice, the linearised vacuum Einstein equation reduces to an ODE problem for a single function. In this work, the ODE is cast into a Schrödinger eigenvalue equation to which an energy functional is assigned. It is then shown by direct …