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5 papers · 2 filters
A large class of non constant mean curvature solutions of the Einstein constraint equations on an asymptotically hyperbolic manifold
Romain Gicquaud, Anna Sakovich
We construct solutions of the constraint equation with non constant mean curvature on an asymptotically hyperbolic manifold by the conformal method. Our approach consists in decrea…
Gravitational waves from binaries on unbound orbits
János Majár, Péter Forgács, Mátyás Vasúth
A generalized true anomaly-type parametrization, convenient to describe both bound and open orbits of a two-body system in general relativity is introduced. A complete description…
Boson stars and oscillatons in an inflationary universe
Gyula Fodor, Péter Forgács, Márk Mezei
Spherically symmetric gravitationally bound, oscillating scalar lumps (boson stars and oscillatons) are considered in Einstein's gravity coupled to massive scalar fields in 1+D dim…
Motion in Quantum Gravity
Karim Noui
We tackle the question of motion in Quantum Gravity: what does motion mean at the Planck scale? Although we are still far from a complete answer we consider here a toy model in whi…
On The Interaction of Gravitational Waves with Magnetic and Electric Fields
C. Barrabes, P. A. Hogan
The existence of large--scale magnetic fields in the universe has led to the observation that if gravitational waves propagating in a cosmological environment encounter even a smal…