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Noise kernel for a quantum field in Schwarzschild spacetime under the Gaussian approximation
quantum field Schwarzschild spacetime Gaussian approximation
2010/12/20
A method is given to compute the noise kernel, defined as the symmetrized con-nected 2-point function of the stress tensor, for the conformally invariant scalar field in the Hartle-Hawking state in Sc...
Junction conditions at spacetime singularities
Junction conditions spacetime singularities
2010/12/20
A classical model for the extension of singular spacetime geometries across their singularities
is presented. The regularization introduced by this model is based on the following observation.