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Published March 17, 1998 | Published
Journal Article Open

Recent developments in superstring theory


There have been many remarkable developments in our understanding of superstring theory in the past few years, a period that has been described as "the second superstring revolution." In particular, what once appeared to be five distinct theories are now recognized to be different manifestations of a single (unique) underlying theory. Some of the evidence for this, based on dualities and the appearance of an eleventh dimension, is presented. Also, a specific proposal for the underlying theory, called "Matrix Theory," is described. The presentation is intended primarily for the benefit of nonexperts.

Additional Information

© 1998 The National Academy of Sciences. Contributed by John H. Schwarz, December 10, 1997. This contribution is part of the special series of Inaugural Articles by members of the National Academy of Sciences elected on April 29, 1997. This work was supported in part by the U.S. Department of Energy under Grant DE-FG03-92-ER40701.

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Published - PNAS-1998-Schwarz-2750-7.pdf


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