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Trapping and Guiding Bodies by Gravitational Waves Endowed with Angular Momentum.
Trapping of bodies by waves is extended from electromagnetism to gravity. It is shown that gravitational waves endowed with angular momentum may accumulate near its axis all kinds of cosmic debris.…
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On the possible gamma-ray burst–gravitational wave association in GW150914
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The effect of atomic transfer on the decay of a Bose-Einstein condensate
We present a model describing the decay of a Bose-Einstein condensate, which assumes the system to remain in thermal equilibrium during the decay. We show that under this assumption transfer of atoms…
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On the gamma-ray burst – gravitational wave association in GW150914
Abstract Hyperaccreting disks around black holes are the engines that drive outflows and jets in gamma ray bursts (GRBs). The torus formed after the core collapse or a compact binary merger is…
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Accretion and outflow in the gamma ray bursts from black hole binary systems
We consider a scenario for the longest duration gamma ray bursts, resulting from the collapse of a massive star in a close binary system with a companion black hole. The primary black hole born…
Black Hole Accretion in Gamma Ray Bursts
We study the structure and evolution of the hyperaccreting disks and outflows in the gamma ray bursts central engines. The torus around a stellar mass black hole is composed of free nucleons, Helium,…
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Comparable aggregated indicators of QoS in the telecoms market
TLDR
The Polish telecommunication company TP SA provides diversified services for alternative operators (AO) using the so-called Key Performance Indicators (KPI) and the main challenge was to design aggregated indicators measuring the quality of services rendered by the wholesale telecommunication operator to alternative operators.
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Transonic structure of slowly rotating accretion flows with shocks around black holes
Abstract We present recent results of the studies of low angular momentum accretion of matter onto Schwarzschild black hole using fully relativistic numerical simulations. We compare the resulting 2D…
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Gamma Ray Bursts from Binary Black Holes
Simulations of coalescing black holes
We describe the methods and results of numerical simulations of coalescing black holes. The simulation in dynamical spacetime covers the inspiral, merger, and ringdown phases. We analyze the emission…
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