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Obtaining field equations from an action
Homework Statement Provided an action: S[A_\nu] = \int\left(\frac{1}{4}(A_{\gamma,\mu}-A_{\mu,\gamma})(A_{\zeta,\alpha}-A_{\alpha,\zeta})\eta^{\gamma\zeta}\eta^{\mu\alpha}+\frac{1}{2}\nu^2A_\mu A_\gamma -\beta A_\mu J^\mu\right)\sqrt{-\eta}~d^4x How would one go about finding the field...- hepnoob92
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- Field field equations
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- Forum: Advanced Physics Homework Help