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Classical Action for Harmonic Oscillator

by DeclanTKatt
Tags: action, classical, harmonic, oscillator
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Sep2-08, 12:40 AM
P: 3
1. The problem statement, all variables and given/known data
Hello. I am attempting to evaluate the classical action of a harmonic oscillator by using the Euler-Lagrange equations.

2. Relevant equations
The Lagrangian for such an oscillator is


This is easy enough to solve for. The classical action is defined by Scl=[tex]\int[/tex]L dt

3. The attempt at a solution
I know what the answer is, but I am having difficulty achieving it. So far I have used:

Substituted these into the Lagrangian and then integrated, with respect to t, for the classical action. This did not provide the proper results.

Any suggestions would be greatly appreciated. Thanks
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