String Theory - 2º Semester 2024/2025

Lecturer:	Gabriel Lopes Cardoso

	Email: gabriel.lopes.cardoso@tecnico.ulisboa.pt

	Office: Departamento de Matemática, 3rd floor, room 3.25

Classes:	Monday 13h-15h, room P3; Friday 10h-12h, room P3.

Program

Bosonic string: Polyakov action, open and closed string; quantization.

Introduction to conformal field theory.

String interactions: tree-level and one-loop amplitudes.

Compactification and T-duality: toroidal and orbifold compactications, closed strings and T-duality.

Fermionic string. RNS string. GSO projection.

Modular invariance.

Low energy effective actions.

Buscher duality.

A Short Introduction to String Theory, Thomas Mohaupt, 2022, Cambridge University Press.

A Primer on String Theory, Volker Schomerus, 2017, Cambridge University Press.

Basic Concepts of String Theory, Ralph Blumenhagen, Dieter Lüst, Stefan Theisen, 2013, Springer.

Quantum Fields and Strings: A Course for Mathematicians, Vol. 2, 1999, American Mathematical Society, IAS.

String Theory, Joseph Polchinski, 1998, Cambridge University Press. What is String Theory?

Superstring Theory, M.B. Green, J.H. Schwarz and E. Witten, 1987, Cambridge University Press.

Homework assignments (60%) + Project (40%)