Introduction to String Theory, Spring 2024

Lecture notes 

lecture1  (Introduction, Bosonic string) 

lecture2  (2d conformal field theory) 

lecture3  (2d conformal field theory, Weyl anomaly) 

lecture4  (Non-linear sigma model, Faddeev-Popov gauge fixing) 

lecture5  (BRST quantization) 

lecture6  (Bosonic string amplitudes) 

lecture7  (RNS formalism, Fermionic torus partition functions) 

lecture8  (Type II, D-branes) 

lecture9  (T-duality) 

lecture10 (Type I, orientifolds) 

lecture11 (Toroidal compactification, Heterotic string) 

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, 2021. 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.