Do you have examples of Lagrangians/Hamiltonians used in physics with non-quadratic kinetic terms? e.g. $\dot{x}^4$ What is the origin and the interpretation of such terms?
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m137
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1I feel like this has been asked before, but searching for it is coming up empty. – Kyle Kanos Apr 16 '19 at 00:36
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I did search for duplicates, but without luck. – m137 Apr 16 '19 at 05:16
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Check out https://physics.stackexchange.com/q/50075/2451 – Qmechanic Apr 16 '19 at 08:14