Introduction to String Theory
by Gerard 't Hooft
Publisher: Utrecht University 2004
Number of pages: 79
Contents: strings in QCD, the classical string, open and closed strings, quantization, Lorentz invariance, interactions and vertex operators, BRST quantization, the Polyakov path integral, T-Duality, complex coordinates, fermions in strings, the GSO projection, zero modes, etc.
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by James Bedford - arXiv
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