Introduction to String Theory, Spring 2021

Lecture notes and Videos

lecture1 (Introduction, Bosonic string)

lecture2 (2d conformal field theory)

lecture3 (2d conformal field theory continued)

lecture4 (Vertex operators, Weyl anomaly, Non-linear sigma model)

lecture5 (Faddeev-Popov gauge fixing, BRST quantization)

lecture6 (Bosonic string amplitudes)

lecture7 (RNS formalism, Type II)

lecture8 (D-branes, Torus partition functions)

lecture9 (T-duality)

lecture10 (Type I, orientifolds)

lecture11 (Toroidal compactification, Heterotic)

lecture12 (String dualities, M-theory)

lecture13 (String dualities, Heterotic M-theory)

lecture14 (D-brane dynamics)

lecture15 (Black holes in string theory)

lecture16 (AdS/CFT)



I have taught the same course in 2017. But I have updated the lecture note by making corrections and adding more contents.


Lecture notes are written by referring to various sources without mentioning it. Comments are welcome.

Homework

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First, you should try to solve problem sets by yourself.

If you cannot solve a problem. the corresponding solution will be sent on request.