Gravitational lensing in conformal and emergent gravity

Abstract

The gravitational bending of light in the framework of conformal gravity is considered where an exact solution for null geodesics in the Mannheim-Kazanas is obtained. The linear coefficient ? characteristic to conformal gravity is shown to contribute enhanced deflection compared to the angle predicted by General Relativity for small ?. We also briefly consider gravitational lensing in covariant emergent gravity. © The Authors, published by EDP Sciences.