Time Reversal in Classical Electromagnetism


Authors
Hilary Greaves
Oxford University
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.
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Reprint years 2009
DOI 10.1093/bjps/axp015
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References found in this work BETA

Time and Chance.David Albert - 2005 - Mind 114 (453):113-116.
On the Time Reversal Invariance of Classical Electromagnetic Theory.David B. Malament - 2003 - Studies in History and Philosophy of Science Part B: Studies in History and Philosophy of Modern Physics 35 (2):295-315.
Disagreement.[author unknown] - 2014 - Wiley.

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Citations of this work BETA

Time in Thermodynamics.Jill North - 2011 - In Criag Callender (ed.), The Oxford Handbook of Philosophy of Time. Oxford University Press. pp. 312--350.
Two Views on Time Reversal.Jill North - 2008 - Philosophy of Science 75 (2):201-223.

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Towards a Geometrical Understanding of the Cpt Theorem.Hilary Greaves - 2010 - British Journal for the Philosophy of Science 61 (1):27-50.
Two Views on Time Reversal.Jill North - 2008 - Philosophy of Science 75 (2):201-223.
What Time Reversal Invariance is and Why It Matters.John Earman - 2002 - International Studies in the Philosophy of Science 16 (3):245 – 264.
On the Time Reversal Invariance of Classical Electromagnetic Theory.David B. Malament - 2003 - Studies in History and Philosophy of Science Part B: Studies in History and Philosophy of Modern Physics 35 (2):295-315.
Causality and the Arrow of Classical Time.Fritz Rohrlich - 2000 - Studies in History and Philosophy of Science Part B: Studies in History and Philosophy of Modern Physics 31 (1):1-13.

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