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弦论 第1卷PDF|Epub|txt|kindle电子书版本网盘下载
- JOSEPH POLCHINSKI 著
- 出版社： 世界图书出版公司北京公司
- ISBN：7506266407
- 出版时间：2004
- 标注页数：402页
- 文件大小：80MB
- 文件页数：420页
- 主题词：
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图书目录
1 A first look at strings1
1.1 Why strings?1
1.2 Action principles9
1.3 The open string spectrum16
1.4 Closed and unoriented strings25
Exercises30
2 Conformal field theory32
2.1 Massless scalars in two dimensions32
2.2 The operator product expansion36
2.3 Ward identities and Noether's theorem41
2.4 Conformal invariance43
2.5 Free CFTs49
2.6 The Virasoro algebra52
2.7 Mode expansions58
2.8 Vertex operators63
2.9 More on states and operators68
Exercises74
3 The Polyakov path integral77
3.1 Sums over world-sheets77
3.2 The Polyakov path integral82
3.3 Gauge fixing84
3.4 The Weyl anomaly90
3.5 Scattering amplitudes97
3.6 Vertex operators101
3.7 Strings in curved spacetime108
Exercises118
4 The string spectrum121
4.1 Old covariant quantization121
4.2 BRST quantization126
4.3 BRST quantization of the string131
4.4 The no-ghost theorem137
Exercises143
5 The string S-matrix145
5.1 The circle and the torus145
5.2 Moduli and Riemann surfaces150
5.3 The measure for moduli154
5.4 More about the measure159
Exercises164
6 Tree-level amplitudes166
6.1 Riemann surfaces166
6.2 Scalar expectation values169
6.3 The bc CFT176
6.4 The Veneziano amplitude178
6.5 Chan-Paton factors and gauge interactions184
6.6 Closed string tree amplitudes192
6.7 General results198
Exercises204
7 One-loop amplitudes206
7.1 Riemann surfaces206
7.2 CFT on the torus208
7.3 The torus amplitude216
7.4 Open and unoriented one-loop graphs222
Exercises229
8 Toroidal compactification and T-duality231
8.1 Toroidal compactification in field theory231
8.2 Toroidal compactification in CFT235
8.3 Closed strings and T-duality241
8.4 Compactification of several dimensions249
8.5 Orbifolds256
8.6 Open strings263
8.7 D-branes268
8.8 T-duality of unoriented theories277
Exercises280
9 Higher order amplitudes283
9.1 General tree-level amplitudes283
9.2 Higher genus Riemann surfaces290
9.3 Sewing and cutting world-sheets294
9.4 Sewing and cutting CFTs300
9.5 General amplitudes305
9.6 String field theory310
9.7 Large order behavior315
9.8 High energy and high temperature317
9.9 Low dimensions and noncritical strings323
Exercises327
Appendix A:A short course on path integrals329
A.1 Bosonic fields329
A.2 Fermionic fields341
Exercises345
References347
Glossary359
Index389