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3 questions
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Residual symmetry of Polyakov action in general backgrounds
In Becker & Becker, Schwarz book String Theory and M-Theory, page $40$ is stated that after choose the conformal gauge $h_{ab} = \eta_{ab}$ in the Polyakov action with background field $G_{\mu \nu}...
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Compactification of Bosonic Closed Strings on $T^2$ and $T^3$
I am looking for a text to explain compactification of bosonic closed strings on $T^2$ and $T^3$ by focusing on its gauge groups enhancement. In fact, I want to know in each case ($T^2$ and $T^3$) how ...
5
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Mathematician learning theoretical physics [duplicate]
EDIT: I was aware of the supposed duplicate. But I'm interested in a clear and focused path through the basics to advanced theoretical physics such as string theory - a path that avoids studying ...