INTRODUCTION TO STRING THEORY

By D. JAANN

CONTENTS 1 INTRODUCTION 11 MOTIVATION 12 KNOWN MODELS (INTERACTING) 13 ASPECTS 14 OUTLINE 2 GENERAL LIGHT CONE 21 ACTIONS 22 CONFORMAL ALGEBRA 23 POINCAR´E ALGEBRA 24 INTERACTIONS 25 GRAPHS 26 COVARIANTIZED LIGHT CONE EXERCISES 3 GENERAL BRST 31 GAUGE INVARIANCE AND CONSTRAINTS 32 IGL(1) 33 OSP(1,1|2) 34 FROM THE LIGHT CONE 35 FERMIONS 36 MORE DIMENSIONS 4 GENERAL GAUGE THEORIES 41 OSP(1,1|2) 42 IGL(1) 43 EXTRA MODES 44 GAUGE ?XING 45 FERMIONS 5 PARTICLE 51 BOSONIC 52 BRST 53 SPINNING 54 SUPERSYMMETRIC 55 SUPERBRST 6 CLASSICAL MECHANICS 61 GAUGE COVARIANT 62 CONFORMAL GAUGE 63 LIGHT CONE 7 LIGHT-CONE QUANTUM MECHANICS 71 BOSONIC 72 SPINNING 73 SUPERSYMMETRIC 8 BRST QUANTUM MECHANICS 81 IGL(1) 82 OSP(1,1|2) 83 LORENTZ GAUGE 9 GRAPHS 91 EXTERNAL ?ELDS 92 TREES 93 LOOPS 10 LIGHT-CONE ?ELD THEORY 11 BRST ?ELD THEORY 111 CLOSED STRINGS 112 COMPONENTS 12 GAUGE-INVARIANT INTERACTIONS 121 INTRODUCTION 122 MIDPOINT INTERACTION REFERENCES