Relativity and Cosmology


Successful Search for Ether Drift in a Modified Michelson-Morley Experiment Using the GPS

Authors: Stephan J.G. Gift

Ether drift resulting from the rotation of the Earth has been detected. This was accomplished using GPS technology in a modified Michelson-Morley experiment. The original Michelson-Morley experiment searched for ether drift by observing round-trip light travel time differences using interference fringe shifts. This method is limited by length contraction effects that significantly reduce any fringe shifts. In the modified approach elapsed time for one-way light transmission is directly determined using GPS clocks. The method yields travel time differences for light transmission in the East-West direction but not in the North-South direction consistent with rotationally-induced ether drift.

Comments: 12 Pages. Accepted for publication in Applied Physics Research

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Submission history

[v1] 2012-01-14 08:24:56

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