Bumblebee gravity with a Kerr-Sen-like solution and its Shadow
arXiv:2011.14916 · doi:10.1140/epjc/s10052-021-09132-6
Abstract
Lorentz-Violating (LV) scenario gets involved through a bumblebee field vector field . A spontaneous symmetry breaking allows the field to acquires a vacuum expectation value that generates LV into the system. A Kerr-Sen-like solution has been found out starting from the generalized form of a radiating stationery axially symmetric black-hole metric. We compute the effective potential offered by the null geodesics in the bumblebee rotating black-hole spacetime. The shadow has been sketched for different variations of the parameters involved in the system. A careful investigation has been carried out to study how the shadow gets affected when Lorentz violation enters into the picture. The emission rate of radiation has also been studied and how it varies with the LV parameter is studied scrupulously.
arXiv comment14 pages latex, 23 figures
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