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Strong gravitational lensing with Gauss-Bonnet correction

descriptionPublicationkeyboard_double_arrow_right Article , Preprint , Other literature type 12 Jun 2014Embargo end date: 01 Jan 2013Publisher:IOP PublishingJournal:Journal of Cosmology and Astroparticle Physics, volume 2,014, pages 28-28 (eissn: 1475-7516,

Authors: H. Vaez; Jafar Sadeghi;

doi: 10.1088/1475-7516/2014/06/028 , 10.48550/arxiv.1310.1701

arXiv: http://arxiv.org/abs/1310.1701

Strong gravitational lensing with Gauss-Bonnet correction

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Abstract

In this paper we investigate the strong gravitational lensing with Gauss-Bonnet gravity. By considering the logarithmic term for deflection angle, we obtain the deflection angle $\hat��$ and corresponding parameters $\bar{a}$ and $\bar{b}$. Finally, by using the relations between the observables and lensing parameters, we estimate the observables such as, $��_{\infty}$, $s$ and $r_m$, for the relativistic images in the Gauss-Bonnet background.

Related Organizations

Islamic Azad University of Ayatollah Amoli
Iran (Islamic Republic of)
Islamic Azad University of Falavarjan
Iran (Islamic Republic of)
University of Mazandaran
Iran (Islamic Republic of)

Keywords

FOS: Physical sciences, General Relativity and Quantum Cosmology (gr-qc), General Relativity and Quantum Cosmology

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