MIT String Theory - Zwiebach
https://ocw.mit.edu/courses/physics/8-251-string-theory-for-undergraduates-spring-2007/
视频选集
（15/15）
Lecture 1Review of Ralativity, Light cone coordinates, Compactification
01:04:09
Lecture 2 Orbifolds, Nonrelativistic sting, Relativistic point particle
01:05:50
Lecture 3 Relativistic strings, Nambu Goto action
01:06:24
Lecture 4 Boundary conditions D branes, Static gauge, String in rest, Transverse
01:05:59
Lecture 5 String parametrization, equations of classical motion and constraints
01:02:53
Lecture 6 Symmetries and conserved momentum and Lorentz charges general gauges
01:05:04
Lecture 7 Equations of motion for free open strings, light cone solutions, Viras
01:00:02
Lecture 8 Light cone fields, Point particle quantization
01:07:19
Lecture 9 Quantization of point particle in light cone gauge, Momentum and Loren
01:06:44
Lecture 10 Quantization of an open string I
01:11:43
Lecture 11 Quantization of an open string II critical dimension, tachyon, Maxwel
01:04:33
Lecture 12 Quantization of a closed string; Virasoro operators, graviton, dilato
01:06:46
Lecture 13 Strings on R^1Z 2 orbifold Action for fermionic strings
01:08:59
Lecture 14 Quantizing superstrings NS and R sectors, Spacetime fermions
01:10:54
Lecture 15 Overview of superstring theories, D branes
01:10:26
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