Brane decay of a (4+n)-dimensional rotating black hole: spin-0 particles | Zendy

Gavin Duffy | Zendy; Christopher M Harris | Zendy; Panagiota Kanti | Zendy; Elizabeth Winstanley | Zendy

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Brane decay of a (4+n)-dimensional rotating black hole: spin-0 particles

Author(s) -

Gavin Duffy,

Christopher M Harris,

Panagiota Kanti,

Elizabeth Winstanley

Publication year - 2005

Publication title -

journal of high energy physics

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.998

H-Index - 261

eISSN - 1126-6708

pISSN - 1029-8479

DOI - 10.1088/1126-6708/2005/09/049

Subject(s) - physics , angular momentum , black hole (networking) , quantum electrodynamics , angular momentum coupling , rotating black hole , total angular momentum quantum number , scalar (mathematics) , angular momentum of light , orbital angular momentum of light , classical mechanics , quantum mechanics , geometry , computer network , routing protocol , routing (electronic design automation) , mathematics , computer science , link state routing protocol

In this work, we study the `scalar channel' of the emission of Hawkingradiation from a (4+n)-dimensional, rotating black hole on the brane. Wenumerically solve both the radial and angular part of the equation of motionfor the scalar field, and determine the exact values of the absorptionprobability and of the spheroidal harmonics, respectively. With these, wecalculate the particle, energy and angular momentum emission rates, as well asthe angular variation in the flux and power spectra -- a distinctive feature ofemission during the spin-down phase of the life of the produced black hole. Ouranalysis is free from any approximations, with our results being valid forarbitrarily large values of the energy of the emitted particle, angularmomentum of the black hole and dimensionality of spacetime. We finally computethe total emissivities for the number of particles, energy and angular momentumand compare their relative behaviour for different values of the parameters ofthe theory.Comment: 24 pages, 13 figure

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