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- Title
Photon Round-Trip Times and the Equivalence Principle.
- Authors
Kyung-Taek Lim
- Abstract
Where there is no gravity, I consider a linearly accelerating frame in which the proper acceleration at each spatial point does not vary with time and the proper acceleration is the same throughout the spatial coordinates. Then I consider the round-trip time for a photon between two given spatial coordinate points. The theory of general relativity predicts that the trip time is a constant with respect to time. Contrary to this prediction, I analyze the motion of the photon in an inertial frame and show a discrepancy of order 'a 'τ/c, where 'a is the proper acceleration; 'τ is the photon round-trip time in the accelerating frame, which also indicates the spatial size of the accelerating frame; and c is the speed of light.
- Subjects
GRAVITY; ACCELERATION (Mechanics); PHOTONS; EQUIVALENCE principle (Physics); SPACETIME; GENERAL relativity (Physics); SPEED of light
- Publication
Physics Essays, 2005, Vol 18, Issue 4, p541
- ISSN
0836-1398
- Publication type
Article
- DOI
10.4006/1.3025769