Regular phantom black hole gravitational lensing

Abstract

We study regular and asymptotically flat phantom black holes as gravitational lenses. We obtain the deflection angle in both the weak and the strong deflection limits, from which we calculate the positions, magnifications, and time delays of the images. We compare our results with those corresponding to the Schwarzschild solution and to the vacuum Brans-Dicke black hole.

14 pages, 4 figures; v2: improved and extended version, new references added. Accepted for publication in Phys. Rev. D

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