Gravitational lensing by massless braneworld black holes

TL;DR

This paper investigates how massless braneworld black holes act as gravitational lenses, analyzing deflection angles and image properties, and comparing results with classical black hole models.

Contribution

It provides the first detailed analysis of gravitational lensing effects specifically for massless braneworld black holes, including deflection limits and image characteristics.

Findings

Derived weak and strong deflection limits for these black holes

Calculated image positions and magnifications

Compared lensing signatures with Schwarzschild and Reissner-Nordstrom black holes

Abstract

In this paper, we study massless braneworld black holes as gravitational lenses. We find the weak and the strong deflection limits for the deflection angle, from which we calculate the positions and magnifications of the images. We compare the results obtained here with those corresponding to Schwarzschild and Reissner-Nordstrom spacetimes, and also with those found in previous works for some other braneworld black holes.