نتایج جستجو برای: gravitational radiation

تعداد نتایج: 275157  

1998
Lee Samuel Finn

The goal of these lecture notes is to introduce the developing research area of gravitational-wave phenomenology. In more concrete terms, they are meant to provide an overview of gravitational-wave sources and an introduction to the interpretation of real gravitational wave detector data. They are, of course, limited in both regards. Either topic could be the subject of one or more books, and c...

Journal: :Physical review. D, Particles and fields 1992
Finn

The optimum design, construction, and use of the LIGO, VIRGO, or LAGOS gravitational radiation detectors depends upon accurate calculations of their sensitivity to different sources of radiation. Here I examine how to determine the sensitivity of these instruments to sources of gravitational radiation by considering the process by which data are analyzed in a noisy detector. The problem of dete...

Journal: :Physical review letters 2005
B Abbott R Abbott R Adhikari J Agresti P Ajith B Allen J Allen R Amin S B Anderson W G Anderson M Araya H Armandula M Ashley C Aulbert S Babak R Balasubramanian S Ballmer B C Barish C Barker D Barker M A Barton K Bayer K Belczynski J Betzwieser B Bhawal I A Bilenko G Billingsley E Black K Blackburn L Blackburn B Bland L Bogue R Bork S Bose P R Brady V B Braginsky J E Brau D A Brown A Buonanno D Busby W E Butler L Cadonati G Cagnoli J B Camp J Cannizzo K Cannon L Cardenas K Carter M M Casey P Charlton S Chatterji Y Chen D Chin N Christensen T Cokelaer C N Colacino R Coldwell D Cook T Corbitt D Coyne J D E Creighton T D Creighton J Dalrymple E D'Ambrosio K Danzmann G Davies D DeBra V Dergachev S Desai R DeSalvo S Dhurandar M Díaz A Di Credico R W P Drever R J Dupuis P Ehrens T Etzel M Evans T Evans S Fairhurst L S Finn K Y Franzen R E Frey P Fritschel V V Frolov M Fyffe K S Ganezer J Garofoli I Gholami J A Giaime K Goda L Goggin G González C Gray A M Gretarsson D Grimmett H Grote S Grunewald M Guenther R Gustafson W O Hamilton C Hanna J Hanson C Hardham G Harry J Heefner I S Heng M Hewitson N Hindman P Hoang J Hough W Hua M Ito Y Itoh A Ivanov B Johnson W W Johnson D I Jones G Jones L Jones V Kalogera E Katsavounidis K Kawabe S Kawamura W Kells A Khan C Kim P King S Klimenko S Koranda D Kozak B Krishnan M Landry B Lantz A Lazzarini M Lei I Leonor K Libbrecht P Lindquist S Liu M Lormand M Lubinski H Lück M Luna B Machenschalk M MacInnis M Mageswaran K Mailand M Malec V Mandic S Marka E Maros K Mason L Matone N Mavalvala R McCarthy D E McClelland M McHugh J W C McNabb A Melissinos G Mendell R A Mercer S Meshkov E Messaritaki C Messenger E Mikhailov S Mitra V P Mitrofanov G Mitselmakher R Mittleman O Miyakawa S Mohanty G Moreno K Mossavi G Mueller S Mukherjee E Myers J Myers T Nash F Nocera J S Noel B O'Reilly R O'Shaughnessy D J Ottaway H Overmier B J Owen Y Pan M A Papa V Parameshwaraiah C Parameswariah M Pedraza S Penn M Pitkin R Prix V Quetschke F Raab H Radkins R Rahkola M Rakhmanov K Rawlins S Ray-Majumder V Re T Regimbau D H Reitze R Riesen K Riles B Rivera D I Robertson N A Robertson C Robinson S Roddy A Rodriguez J Rollins J D Romano J Romie S Rowan A Rüdiger L Ruet P Russell K Ryan V Sandberg G H Sanders V Sannibale P Sarin B S Sathyaprakash P R Saulson R Savage A Sazonov R Schilling R Schofield B F Schutz P Schwinberg S M Scott S E Seader A C Searle B Sears D Sellers A S Sengupta P Shawhan D H Shoemaker A Sibley X Siemens D Sigg A M Sintes J Smith M R Smith O Spjeld K A Strain D M Strom A Stuver T Summerscales M Sung P J Sutton D B Tanner R Taylor K A Thorne K S Thorne K V Tokmakov C Torres C Torrie G Traylor W Tyler D Ugolini C Ungarelli M Vallisneri M van Putten S Vass A Vecchio J Veitch C Vorvick S P Vyachanin L Wallace H Ward R Ward K Watts D Webber U Weiland A Weinstein R Weiss S Wen K Wette J T Whelan S E Whitcomb B F Whiting S Wiley C Wilkinson P A Willems B Willke A Wilson W Winkler S Wise A G Wiseman G Woan D Woods R Wooley J Worden I Yakushin H Yamamoto S Yoshida M Zanolin L Zhang N Zotov M Zucker J Zweizig

The Laser Interferometer Gravitational-Wave Observatory has performed a third science run with much improved sensitivities of all three interferometers. We present an analysis of approximately 200 hours of data acquired during this run, used to search for a stochastic background of gravitational radiation. We place upper bounds on the energy density stored as gravitational radiation for three d...

2000
Joan M. Centrella

The development of both groundand space-based gravitational wave detectors provides new opportunities to observe the radiation from binaries containing neutron stars and black holes. Numerical simulations in 3-D are essential for calculating the coalescence waveforms, and comprise some of the most challenging problems in astrophysics today. This article briefly reviews the current status of eff...

2002
Bin Chen Miao Li Feng-Li Lin

In this paper we compute the radiation of the massless closed string states due to the non-vanishing coupling to the rolling open string tachyon with co-dimensions larger than 3, and discuss the effect of back reaction to the motion of the rolling tachyon. We find that for small string coupling, the tachyonic matters remain in the late time, but it will completely evaporate away over a string s...

1995
Anshu Gupta Subhendra Mohanty Manoj K. Samal

Charged particles in the geodesic trajectory of an external gravitational eld do not emit electromagnetic radiation. This is expected from the application of the equivalence principle. We show here that charged particles propagating in an external gravitational eld with non-zero components of the Ricci tensor can emit radiation by the Cerenkov process. The external gravitational eld acts like a...

1998
Kirk T. McDonald Joseph Henry

Hawking-Unruh radiation is a measure of the quantum fluctuations in the radiation of accelerated charges. In the case of uniform acceleration, the existence of Unruh radiation adds confidence that radiation exists at all, and helps clarify aspects of the equivalence between radiation in uniform acceleration and in a uniform gravitational field. 1 Hawking-Unruh Radiation According to Hawking [1]...

2002
Maurice H P M Van Putten

A torus around a stellar mass Kerr black hole can emit about 10% of the spin-energy of the black hole in gravitational radiation, potentially associated with a gamma-ray burst. Wide tori may develop buckling modes by the Papaloizou-Pringle instability and gravitational radiation-reaction forces in the Burke-Thorne approximation. Gravitational wave experiments may discover these emissions in a f...

2015
R. W. P. Drever

Some techniques proposed or currently under development for detection of gravitational radiation by laser interferometers are reviewed, with particular emphasis on experiments covering the lower frequencies potentially accessible to ground based instruments.

1994
Thibault Damour

The absence of gravitational radiation in Kinnersley’s “photon rocket” solution of Einstein’s equations is clarified by studying the mathematically well-defined problem of point-like photon rockets in Minkowski space (i.e. massive particles emitting null fluid anisotropically and accelerating because of the recoil). We explicitly compute the (uniquely defined) linearized retarded gravitational ...

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