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Contents[edit | edit source]
- Two-Dimensional Conformal Field Theory
- String Quantization
- The Free String
- String Interactions
- String Field Theory Compactifications
- Orbifolds and Orientifolds
Notation[edit | edit source]
The metric has signature .
Greek letters from the middle of the alphabet denote coordinates in spacetime. Roman letters taken from the beginning of the alphabet denote coordinates on the worldsheet.
The metric is denoted . In the case where there is a metric of spacetime and a metric of the worldsheet, the worldsheet metric is denoted
A lower-case is the number of dimensions. An upper-class represents the number of spacial dimensions.