Second-order light deflection by tidal charged black holes on the brane

L. Gergely, Z. Keresztes, Marek Dwornik

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13 Citations (Scopus)

Abstract

We derive the deflection angle of light rays passing near a black hole with mass m and tidal charge q, confined to a generalized Randall-Sundrum brane with co-dimension 1. We employ the weak lensing approach, up to the second order in perturbation theory by two distinct methods. First we adopt a Lagrangian approach and derive the deflection angle from the analysis of the geodesic equations. Then we adopt a Hamiltonian approach and we recover the same result from the analysis of the eikonal. With this we re-establish the unicity of the result as given by the two methods. Our results in turn implies a more rigorous constraint on the tidal charge from solar system measurements, than derived before.

Original languageEnglish
Article number145002
JournalClassical and Quantum Gravity
Volume26
Issue number14
DOIs
Publication statusPublished - 2009

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deflection
solar system
rays
perturbation theory

ASJC Scopus subject areas

  • Physics and Astronomy (miscellaneous)

Cite this

Second-order light deflection by tidal charged black holes on the brane. / Gergely, L.; Keresztes, Z.; Dwornik, Marek.

In: Classical and Quantum Gravity, Vol. 26, No. 14, 145002, 2009.

Research output: Contribution to journalArticle

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