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IPM
30
YEARS OLD

“School of Physics”

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Paper   IPM / P / 6723
School of Physics
  Title:   Equivalence Principle and Radiation by a Uniformly Accelerated Charge
  Author(s): 
1.  A. Shariati
2.  M. Khorrami
  Status:   Published
  Journal: Found. Phys. Lett.
  No.:  17
  Vol.:  12
  Year:  1999
  Pages:   427-439
  Supported by:  IPM
  Abstract:
We address the old question of whether or not a uniformly accelerated charged particle radiates, and consequently, if weak equivalence principle is violated by electrodynamics. We show that radiation has different meanings; some absolute, some relative. Detecting photons or electromagnetic waves is NOT absolute, it depends both on the electromagnetic field and on the state of motion of the antenna. An antenna used by a Rindler observer does not detect any radiation from a uniformly accelerated co-moving charged particle. Therefore, a Rindler observer cannot decide whether or not he is in an accelerated lab or in a gravitational field. We also discuss the general case.

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