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6 papers · 2 filters
Constraint Propagation of -adjusted Formulation II --- Another Recipe for Robust Baumgarte-Shapiro-Shibata-Nakamura Evolution System ---
Takuya Tsuchiya, Gen Yoneda, Hisa-aki Shinkai
In order to obtain an evolution system which is robust against the violation of constraints, we present a new set of evolution systems based on the so-called Baumgarte-Shapiro-Shib…
Reducing Thermal Noise in Future Gravitational Wave Detectors by employing Khalili Etalons
Alexey G. Gurkovsky, Daniel Heiner, Stefan Hild +4
Reduction of thermal noise in dielectric mirror coatings is a key issue for the sensitivity improvement in second and third generation interferometric gravitational wave detectors.…
Inhomogeneous charged black hole solutions in asymptotically anti-de Sitter spacetime
Kengo Maeda, Takashi Okamura, Jun-ichirou Koga
We investigate static inhomogeneous charged planar black hole solutions of the Einstein-Maxwell system in an asymptotically anti-de Sitter spacetime. Within the framework of linear…
Application of Time Transfer Function to McVittie Spacetime: Gravitational Time Delay and Secular Increase in Astronomical Unit
Hideyoshi Arakida
We attempt to calculate the gravitational time delay in a time-dependent gravitational field, especially in McVittie spacetime, which can be considered as the spacetime around a gr…
Constraint Propagation of -adjusted Formulation - Another Recipe for Robust ADM Evolution System
Takuya Tsuchiya, Gen Yoneda, Hisa-aki Shinkai
With a purpose of constructing a robust evolution system against numerical instability for integrating the Einstein equations, we propose a new formulation by adjusting the ADM evo…
Reduction of coating thermal noise by using an etalon
Kentaro Somiya, Daniel Heinert, Alexey G. Gurkovsky +3
Reduction of coating thermal noise is a key issue in precise measurements with an optical interferometer. A good example of such a measurement device is a gravitational-wave detect…