**What is String Theory?**

by Joseph Polchinski

**Publisher**: arXiv 1994**Number of pages**: 154

**Description**:

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.

Download or read it online for free here:

**Download link**

(1.1MB, PDF)

## Similar books

**Topological Strings and their Physical Applications**

by

**Andrew Neitzke, Cumrun Vafa**-

**arXiv**

We give an introductory review of topological strings and their application to various aspects of superstrings and supersymmetric gauge theories. This review includes developing the necessary mathematical background for topological strings.

(

**7959**views)

**String Theory: a perspective over the last 25 years**

by

**Sunil Mukhi**-

**arXiv**

This text provides some historical background and then reviews developments in string theory over the last twenty-five years. Both perturbative and non-perturbative approaches are surveyed and their impact on how we view quantum gravity is analysed.

(

**10872**views)

**Lectures on String Theory**

by

**Gleb Arutyunov**-

**Utrecht University**

The text covers the basic concepts of modern string theory: covariant and light-cone quantisation of bosonic and fermionic strings, geometry and topology of string world-sheets, vertex operators and string scattering amplitudes, etc.

(

**10908**views)

**String Theory and the Path to Unification**

by

**Keith R. Dienes**-

**arXiv**

This is a pedagogical review article surveying the various approaches towards understanding gauge coupling unification within string theory. The author provides an overview of the different approaches that have been taken in recent years.

(

**11173**views)