Probing the anisotropic velocity of light in a gravitational field: another test of general relativity

TL;DR

This paper proposes an experiment to test a lesser-known prediction of general relativity that the average velocity of light in a gravitational field is direction-dependent, offering a new way to verify Einstein's theory.

Contribution

It introduces a novel experimental approach to detect the anisotropic velocity of light predicted by general relativity, which has been previously overlooked.

Findings

The average light velocity in a gravitational field is anisotropic.

Proposed experiment can effectively test this anisotropy.

Potential to reinforce or challenge aspects of general relativity.

Abstract

A corollary of general relativity that the average velocity of light between two points in a gravitational field is anisotropic has been overlooked. It is shown that this anisotropy can be probed by an experiment which constitutes another test of general relativity.