An Experiment to Test the Gravitational Aharonov-Bohm Effect

Force-free gravitational redshift: proposed gravitational Aharonov-Bohm experiment.

We propose a feasible laboratory interferometry experiment with matter waves in a gravitational potential caused by a pair of artificial field-generating masses. It will demonstrate that the presence of these masses (and, for moving atoms, time dilation) induces a phase shift, even if it does not cause any classical force. The phase shift is identical to that produced by the gravitational redsh...

The Aharonov-Bohm Effect: Still a Thought-Provoking Experiment

Nearly 30 years have passed since Aharonov and Bohm suggested the beautiful effect that bears their name. ~1) Theoretically, their paper led to a substantial reassessment of the role of electromagnetic potentials in quantum physicsJ 2) Experimentally, it inspired a whole series of elegant, landmark experiments. (3) Over the years the Aharonov-Bohm (or AB) effect has continued to stimulate new i...

The Aharonov - Bohm effect for an exciton

We study theoretically the exciton absorption on a ring shreded by a magnetic flux. For the case when the attraction between electron and hole is short-ranged we get an exact solution of the problem. We demonstrate that, despite the electrical neutrality of the exciton, both the spectral position of the exciton peak in the absorption, and the corresponding oscillator strength oscillate with mag...

Gravitational Dressing of Aharonov-bohm Amplitudes *

We investigate Aharonov-Bohm scattering in a theory in which charged bosonic matter fields are coupled to topologically massive electrodynamics and topologically massive gravity. We demonstrate that, at one-loop order, the transmuted spins in this theory are related to the ones of ordinary Chern-Simons gauge theory in the same way that the Knizhnik-Polyakov-Zamolodchikov formula relates the Lio...

A Macroscopic Test of the Aharonov-Bohm Effect