**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

**Inflation and String Theory**

by

**Daniel Baumann, Liam McAllister**-

**arXiv**

We review cosmological inflation and its realization in quantum field theory and string theory. We describe two intertwined approaches to the physics of inflation: from the bottom up in effective field theory, and from the top down in string theory.

(

**7263**views)

**A solution manual for Polchinski's**

by

**Matthew Headrick**-

**arXiv**

The author present detailed solutions to 81 of the 202 problems in J. Polchinski's two-volume textbook 'String Theory', the most comprehensive text addressing the discoveries of the superstring revolutions of the early to mid 1990's.

(

**9208**views)

**An Introduction to Black Holes, Information and the String Theory Revolution**

by

**Leonard Susskind, James Lindesay**-

**OECD Publishing**

Leonard Susskind, one of the co-inventors of the Holographic Principle as well as one of the founders of String theory, develops and explains these concepts. This well-planned, stimulating and provocative book can be enthusiastically recommended.

(

**10558**views)

**D-Branes, Tachyons, and String Field Theory**

by

**Washington Taylor, Barton Zwiebach**-

**arXiv**

Introduction to tachyon condensation in Witten's cubic bosonic open string field theory. We use both the low-energy Yang-Mills description and the language of string field theory to explain the problem of tachyon condensation on unstable D-branes.

(

**6002**views)