What is String Theory?
by Joseph Polchinski
Publisher: arXiv 1994
Number of pages: 154
The first part is an introduction to conformal field theory and string perturbation theory. The second part deals with the search for a deeper answer to the question posed in the title. Contents: Conformal Field Theory; String Theory; Vacua and Dualities; String Field Theory or Not String Field Theory; Matrix Models.
Home page url
Download or read it online for free here:
by M. Douglas, J. Gauntlett, M. Gross - American Mathematical Society
This volume highlights the interface between string theory and algebraic geometry. The topics covered include manifolds of special holonomy, supergravity, supersymmetry, D-branes, the McKay correspondence and the Fourier-Mukai transform.
A short introduction to superstring theory. From the table of contents: Classical Theory of String; Quantization; Supersymmetry and Superstring; Compactification; Types of Superstring Theory; M-theory; Problems and Future Development.
by James Bedford - arXiv
An introduction to string theory, focusing on the Bosonic string, but treating the superstring as well. A number of appendices on more advanced topics are also provided, including an introduction to orientifolds in various brane configurations.
by Maximilian Kreuzer - Technische Universitat Wien
Contents: Introduction; The bosonic string; Quantization of bosonic strings; Superstrings; Conformal field theory (conformal group, Wick rotation and Euclidean fields, Tensors, energy-momentum, and correlations, First order systems and ghosts, etc).