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Forums
Physics
Beyond the Standard Models
First order formalism of Polyakov action
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[QUOTE="haushofer, post: 6341453, member: 20128"] In the thesis [URL]https://www.rug.nl/research/portal/nl/publications/Newtoncartan-gravity-revisited(fb063f36-42dc-4529-a070-9c801238689a).html[/URL] the Nambu-goto action for the string is treated at page 54 and beyond. Worldsheet indices are indicated by bars, and the constraints in your (3.25) are also treated there. These constraints are, as far as I understand, indeed equal to zero. My Hamiltonian formalism is a bit rusty now, but I'd suggest you take another look at this topic. I found it rather confusing in the beginning. [/QUOTE]
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Physics
Beyond the Standard Models
First order formalism of Polyakov action
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