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40 papers · 1 filter
Late Inspiral and Merger of Binary Black Holes in Scalar-Tensor Theories of Gravity
James Healy, Tanja Bode, Roland Haas +4
Gravitational wave observations will probe non-linear gravitational interactions and thus enable strong tests of Einstein's theory of general relativity. We present a numerical rel…
Upper limits on a stochastic gravitational-wave background using LIGO and Virgo interferometers at 600-1000 Hz
J. Abadie, B. P. Abbott, R. Abbott +782
A stochastic background of gravitational waves is expected to arise from a superposition of many incoherent sources of gravitational waves, of either cosmological or astrophysical…
Gravitational Waves from Quasicircular Extreme Mass-Ratio Inspirals as Probes of Scalar-Tensor Theories
Nicolas Yunes, Paolo Pani, Vitor Cardoso
A stellar-mass compact object spiraling into a supermassive black hole, an extreme-mass-ratio inspiral (EMRI), is one of the targets of future gravitational-wave detectors and it o…
Re-interpretation of Supra-Arcade Downflows in Solar Flares
Sabrina L. Savage, David E. McKenzie, Katharine K. Reeves
Following the eruption of a filament from a flaring active region, sunward-flowing voids are often seen above developing post-eruption arcades. First discovered using the soft X-ra…
Geometric realization for substitution tilings
Marcy Barge, Jean-Marc Gambaudo
Given an n-dimensional substitution whose associated linear expansion is unimodular and hyperbolic, we use elements of the one-dimensional integer Čech cohomology of the associated…
Resonances in Extreme Mass-Ratio Inspirals: Asymptotic and Hyperasymptotic Analysis
Jonathan R Gair, Nicolas Yunes, Carl M Bender
An expected source of gravitational waves for future detectors in space are the inspirals of small compact objects into much more massive black holes. These sources have the potent…