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| Joseph Polchinski received his Ph.D.from the University of California at Berkeley in 1980. After postdoctoral fellowships at the Stanford Linear Accelerator Center and Harvard, he Joined the faculty at the University of Texas at Austin in 1984, moving to his present position of Professor of Physics at the University of Califrona at Santa barbara, and Permanent Member of the Institute for Theoretical Physics, in 1992. |
| Foreword Preface Notation 1 A first look at strings 1.1 Why strings? 1.2 Action principles 1.3 The open string spectrum 1.4 Closed and unoriented strings Exercises 2 Conformal field theory 2.1 Massless scalars in two dimensions 2.2 The operator product expansion 2.3 Ward identities and Noether's theorem 2.4 Conformal invariance 2.5 Free CFTs 2.6 The Virasoro algebra 2.7 Mode expansions 2.8 Vertex operators 2.9 More on states and operators Exercises 3 The polyakov path integral 3.1 Sums over world-sheets 3.2 The Polyakov path ingegral 3.3 Gauge fixing 3.4 The Weyl anomaly 3.5 Scattering amplitudes 3.6 Vertex operators 3.7 Strings in curved spacetime Exercises 4 The string spectrum 4.1 Old covariant quantization 4.2 BRST quantization 4.3 BRST quantization of the string 4.4 The no-ghost theorem Exercises 5 The string S-matrix 5.1 The circle and the torus 5.2 Moduli and Riemann surfaces 5.3 The measure for moduli 5.4 More about the measure Exercises 6 Tree-level amplitudes 7 One-loop amplitudes 8 Toroidal compactification and T-duality Appendx A: A short course on path integrals References Glossary Index |
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