Time reversal in classical electromagnetism
Arntzenius, Frank and Greaves, Hilary (2007) Time reversal in classical electromagnetism.
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Abstract
Richard Feynman has claimed that anti-particles are nothing but particles `propagating backwards in time'; that time reversing a particle state always turns it into the corresponding anti-particle state. According to standard quantum field theory textbooks this is not so: time reversal does not turn particles into anti-particles. Feynman's view is interesting because, in particular, it suggests a nonstandard, and possibly illuminating, interpretation of the CPT theorem.
In this paper, we explore a classical analog of Feynman's view, in the context of the recent debate between David Albert and David Malament over time reversal in classical electromagnetism.
| Commentary on: | Malament, David (2003) "On the Time Reversal Invariance of Classical Electromagnetic Theory". |
|---|---|
| EPrint Type: | Preprint |
| Keywords: | Time reversal, electromagnetism, antiparticles |
| Subjects: | Specific Sciences: Physics: Classical Physics Specific Sciences: Physics: Symmetries/Invariances Specific Sciences: Physics: Fields and Particles |
| ID Code: | 3280 |
| Deposited By: | Greaves, Hilary |
| Deposited On: | 06 April 2007 |
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