Why Lagrangian not depend of higher derivatives of generalised coordinates ?
Feb 3, 2019 #1 filip97 31 0 Why Lagrangian not depend of higher derivatives of generalised coordinates ?
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Feb 3, 2019 #2 weirdoguy 597 420 Sometimes it depends, eg in general relativity or in elastomechanics. In most cases it does not, but there is no deeper explanation for that. EDIT: AFAIK in QFT it would lead to inconsistencies, but I don't remember details. Last edited: Feb 3, 2019
Sometimes it depends, eg in general relativity or in elastomechanics. In most cases it does not, but there is no deeper explanation for that. EDIT: AFAIK in QFT it would lead to inconsistencies, but I don't remember details.