Publisher: universe-review.ca 2008
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.
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by Joseph Polchinski - arXiv
This is an introduction to conformal field theory and string perturbation theory. The authors search for a deeper answer to the question posed in the title. Contents: Conformal Field Theory; String Theory; Vacua and Dualities; and more.
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Contents: strings in QCD, the classical string, open and closed strings, quantization, Lorentz invariance, interactions and vertex operators, BRST quantization, the Polyakov path integral, T-Duality, complex coordinates, fermions in strings, etc.
by David Tong - University of Cambridge
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by Miao Li - arXiv
This short book is an introduction to some recent developments in string theory and M theory. The author tries to concentrate on the main physical aspects, and often leaves more technical details to the original literature.