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Retarded potentials and the radiative arrow of time

Boozer, A. D. (2007) Retarded potentials and the radiative arrow of time. European Journal of Physics, 28 (6). pp. 1131-1143. ISSN 0143-0807. https://resolver.caltech.edu/CaltechAUTHORS:BOOejp07c

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Abstract

Maxwell's equations admit both retarded and advanced solutions, but only the retarded solutions seem to characterize the radiative phenomena that actually occur in nature. The reason for this, however, is not usually explained in electrodynamics textbooks. We justify the use of the retarded solutions by considering a simple toy model, which allows us to avoid the technical complexities of electrodynamics and focus on the physical concepts. In addition, we explain how the use of the retarded solutions is related to a number of fundamental issues in physics, such as time-reversal invariance and the radiative arrow of time.


Item Type:Article
Additional Information:Copyright © Institute of Physics and IOP Publishing Limited 2007. Received 3 July 2007, in final form 14 August 2007. Published 28 September 2007. Print publication: Issue 6 (November 2007).
Issue or Number:6
Record Number:CaltechAUTHORS:BOOejp07c
Persistent URL:https://resolver.caltech.edu/CaltechAUTHORS:BOOejp07c
Alternative URL:http://dx.doi.org/10.1088/0143-0807/28/6/010
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:8993
Collection:CaltechAUTHORS
Deposited By: Archive Administrator
Deposited On:11 Oct 2007
Last Modified:02 Oct 2019 23:56

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