MG13 - Talk detail

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Abstract

In some effective models dark energy is described by phantom fields. Our goal is to apply the apparatus of gravitational lensing by black holes in the strong deflection limit to study possible local manifestation of dark energy. For this purpose we model dark energy with phantom dilaton and phantom electromagnetic field. We compare the characteristics of relativistic images of four black holes: the standard Einstein-Maxwell black hole; the Einstein-anti-Maxwell-dilaton black hole which has a phantom electromagnetic field; the Einstein-Maxwell-anti-dilaton black hole which has a phantom dilaton; and the Einstein-anti-Maxwell-anti-dilaton black hole in which both the dilaton and the electromagnetic field are phantom.

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