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Forums
Physics
Special and General Relativity
Evolution of Scalar Field: Equation Demonstration
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[QUOTE="ChrisVer, post: 5445933, member: 494486"] Hmmm I can't see why you can write the covariant derivaive as partial derivative for the scalar field...but I think you can do that [it's a scalar afterall]. the result is right... Also, does it help you to carry so many indices in the action? I found it always easier to keep a Lagrangian until reaching the EoM... [/QUOTE]
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Forums
Physics
Special and General Relativity
Evolution of Scalar Field: Equation Demonstration
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