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Strong gravitational lensing in a squashed Kaluza-Klein black hole spacetime

We investigate the strong gravitational lensing in a Kaluza-Klein black hole with squashed horizons. We find the size of the extra dimension imprints in the radius of the photon sphere, the deflection angle, the angular position and magnification of the relativistic images. Supposing that the gravitational field of the supermassive central object of the Galaxy can be described by this metric, we estimated the numerical values of the coefficients and observables for gravitational lensing in the strong field limit.

preprint2010arXivOpen access
Yue LiuSongbai ChenJiliang Jing
gr-qchep-th
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Open access3 authors2 topics
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Yue LiuSongbai ChenJiliang Jing

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