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8 papers · 2 filters
A note on the Holst action, the time gauge, and the Barbero-Immirzi parameter
Marc Geiller, Karim Noui
In this note, we review the canonical analysis of the Holst action in the time gauge, with a special emphasis on the Hamiltonian equations of motion and the fixation of the Lagrang…
Black Hole Entropy from complex Ashtekar variables
Ernesto Frodden, Marc Geiller, Karim Noui +1
In loop quantum gravity, the number of microstates of a black hole for a given discrete geometry depends on the so-called Barbero-Immirzi parameter . Using a suit…
Electrostatics in a simple wormhole revisited
Bruno Boisseau, Bernard Linet
The electrostatic potential generated by a point charge at rest in a simple static, spherically symmetric wormhole is given in the form of series of multipoles and in closed form.…
A non-existence result for a generalization of the equations of the conformal method in general relativity
Mattias Dahl, Romain Gicquaud, Emmanuel Humbert
The constraint equations of general relativity can in many cases be solved by the conformal method. We show that a slight modification of the equations of the conformal method admi…
Parameter estimation for inspiraling eccentric compact binaries including pericenter precession
Balázs Mikóczi, Bence Kocsis, Péter Forgács +1
Inspiraling supermassive black hole binary systems with high orbital eccentricity are important sources for space-based gravitational wave (GW) observatories like the Laser Interfe…
Measurability of the tidal polarizability of neutron stars in late-inspiral gravitational-wave signals
Thibault Damour, Alessandro Nagar, Loic Villain
The gravitational wave signal from a binary neutron star inspiral contains information on the nuclear equation of state. This information is contained in a combination of the tidal…