Transcription of String Theory I - TU Wien
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Lecture notesString Theory term 08/09 Maximilian KreuzerInstitut f ur Theoretische Physik, TU Wien+43 1 58801-13621 Wiedner Hauptstra e 8 10, A-1040 kreuzer/ String unification .. History of String Theory .. 62 The bosonic The Polyakov action .. Local symmetries and gauge fixing .. Open strings .. Target space symmetries and conservation laws .. Classical solutions and light cone gauge .. Poisson brackets and Virasoro algebra .. 213 Quantization of bosonic BRST quantization .. Conformal anomaly and critical dimension .. Physical states .. Strings in background fields .. BRST cohomology and no ghost theorem .. 354 The RNS model .. Consistent superstrings in 10 dimensions.
String unification apparently works in a rather different way: Here the fundamental object is a thread or a loop in space-time which, during time evolution, sweeps out a surface that is called world sheet (in analogy to the world line of a point particle). The dynamics is described by an ... String Theory I ...
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