منابع مشابه
Kerr - Schild Structure and Harmonic 2 - forms on ( A ) dS - Kerr - NUT Metrics
We demonstrate that the general (A)dS-Kerr-NUT solutions in D dimensions with ([D/2], [(D + 1)/2]) signature admit [D/2] linearly-independent, mutually-orthogonal and affinely-parameterised null geodesic congruences. This enables us to write the metrics in a multi-Kerr-Schild form, where the mass and all of the NUT parameters enter the metrics linearly. In the case of D = 2n, we also obtain n h...
متن کاملTowards adiabatic waveforms for inspiral into Kerr black holes. II. Dynamical sources and generic orbits
Pranesh A. Sundararajan, Gaurav Khanna, Scott A. Hughes, and Steve Drasco Department of Physics and MIT Kavli Institute, MIT, 77 Massachusetts Avenue, Cambridge, Massachusetts 02139, USA Department of Physics, University of Massachusetts, Dartmouth, Massachusetts 02747, USA Jet Propulsion Laboratory, California Institute of Technology, Pasadena California 91109, USA (Received 3 March 2008; publ...
متن کاملAutoparallel Orbits in Kerr Brans-Dicke Spacetimes
The bounded orbital motion of a massive spinless test particle in the background of a Kerr Brans-Dicke geometry is analysed in terms of worldlines that are auto-parallels of different metric compatible spacetime connections. In one case the connection is that of Levi-Civita with zero-torsion. In the second case the connection has torsion determined by the gradient of the Brans-Dicke background ...
متن کاملRadiative Evolution of Orbits around a Kerr Black Hole
We propose a simple approach for the radiative evolution of generic orbits around a Kerr black hole. For a scalar-field, we recover the standard results for the evolution of the energy E and the azimuthal angular momentum Lz . In addition, our method provides a closed expression for the evolution of the Carter constant Q. Recently, the prospects of a direct observation of gravitational radiatio...
متن کاملTHE GENERIC STRUCTURE OF ACKNOWLEDGMENTS IN PERSIAN DISSERTATIONS
Acknowledgments are vital since students/researchers can demonstrate their genuine appreciation through them and more importantly shape their (local/global) academic identity. In line with this significance, the present study examined the move patterns of 503 Persian dissertation acknowledgements from two major universities in Iran, from 1981 to 2014 and from sixteen various disciplines includi...
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ژورنال
عنوان ژورنال: Physical Review D
سال: 2012
ISSN: 1550-7998,1550-2368
DOI: 10.1103/physrevd.85.023012