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20 papers · 2 filters
The exponential law: Monopole detectors, Bogoliubov transformations, and the thermal nature of the Euclidean vacuum in RP^3 de Sitter spacetime
Jorma Louko, Kristin Schleich
We consider scalar field theory on the RP^3 de Sitter spacetime (RP3dS), which is locally isometric to de Sitter space (dS) but has spatial topology RP^3. We compare the Euclidean…
On the Rigidity Theorem for Spacetimes with a Stationary Event Horizon or a Compact Cauchy Horizon
Helmut Friedrich, Istvan Racz, Robert M. Wald
We consider smooth electrovac spacetimes which represent either (A) an asymptotically flat, stationary black hole or (B) a cosmological spacetime with a compact Cauchy horizon rule…
Second order gauge invariant gravitational perturbations of a Kerr black hole
M. Campanelli, C. O. Lousto
We investigate higher than the first order gravitational perturbations in the Newman-Penrose formalism. Equations for the Weyl scalar representing outgoing gravitational rad…
Coherent Line Removal: Filtering out harmonically related line interference from experimental data, with application to gravitational wave detectors
Alicia M. Sintes, Bernard F. Schutz
We describe a new technique for removing troublesome interference from external coherent signals present in the gravitational wave spectrum. The method works when the interference…
Gravitational Wave Interaction with Normal and Superconducting Circuits
Pierluigi Fortini, Enrico Montanari, Antonello Ortolan +1
The interaction, in the long--wavelength approximation, of normal and superconducting electromagnetic circuits with gravitational waves is investigated. We show that such interacti…
Matched filtering of gravitational waves from inspiraling compact binaries: Computational cost and template placement
Benjamin J. Owen, B. S. Sathyaprakash
We estimate the number of templates, computational power, and storage required for a one-step matched filtering search for gravitational waves from inspiraling compact binaries. Th…