Difference between revisions of "Feynman Least Action Thesis"
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Wheeler–Feynman absorber theory (also called the Wheeler–Feynman time-symmetric theory) | Wheeler–Feynman absorber theory (also called the Wheeler–Feynman time-symmetric theory) | ||
derived from the assumption that the solutions of the electromagnetic field equations must be invariant under time-reversal transformation, as are the field equations themselves. Indeed, there is no apparent reason for the time-reversal symmetry breaking, | derived from the assumption that the solutions of the electromagnetic field equations must be invariant under time-reversal transformation, as are the field equations themselves. Indeed, there is no apparent reason for the time-reversal symmetry breaking, | ||
| + | Maxwell's equations and the equations for electromagnetic waves have, in general, two possible solutions: a retarded (delayed) solution and an advanced one. | ||
==References== | ==References== | ||
Revision as of 23:32, 7 January 2022
Full Title
The Principle of Least Action in Quantum Mechanics[1] was Feynman's 1942 PhD thesis.
Context
This thesis introduced the ideas that came to be known as the Wheeler–Feynman absorber theory (also called the Wheeler–Feynman time-symmetric theory) derived from the assumption that the solutions of the electromagnetic field equations must be invariant under time-reversal transformation, as are the field equations themselves. Indeed, there is no apparent reason for the time-reversal symmetry breaking, Maxwell's equations and the equations for electromagnetic waves have, in general, two possible solutions: a retarded (delayed) solution and an advanced one.
References
- ↑ Richard P. Feynman, The Principle of Least Action in Quantum Mechanics, Princeton University 1942, reprinted in Feynman's Thesis, Ed Laurie M. Brown, 2005 ISBN 9789812563804
Other Material
- See wiki page on the Eventful Universe
- You Tube Video for novices.
