I am familiar with Goldstein-level mechanics. However, here in this site, many sophisticated users use the term "on-shell" and "off-shell" conditions too often, which I did not encounter in Goldstein or similar. Can somebody explain the meaning of these two terms in classical mechanics through an example?
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Did you encounter those terms used in the context of classical mechanics? – Jul 11 '19 at 13:56
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1Yes. See Qmechanic's answer here https://physics.stackexchange.com/q/490018/ – Solidification Jul 11 '19 at 14:01
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wikipedia? – AccidentalFourierTransform Jul 11 '19 at 14:30
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I'm voting to close this question as off-topic because it shows insufficient prior research. – AccidentalFourierTransform Jul 11 '19 at 14:31
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1@AccidentalFourierTransform I know what is on-shell and off-shell particles. Your Wikipedia link does not help. – Solidification Jul 11 '19 at 14:52