Superstrings, Unifications and dualities
I describe our understanding of physics near the planck length, in particular the great progress of the last four years in string theory. Superstring theory, and a recent extension called M theory, are leading candidates for a quantum theory that unifies gravity with the other forces. As such, they...
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| Main Author: | |
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| Format: | Journal Article |
| Language: | English |
| Published: |
31-03-1999
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| Subjects: | |
| Online Access: | Get full text |
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| Summary: | I describe our understanding of physics near the planck length, in particular
the great progress of the last four years in string theory. Superstring theory,
and a recent extension called M theory, are leading candidates for a quantum
theory that unifies gravity with the other forces. As such, they are certainly
not ordinary quantum field theories. However, recent duality conjectures
suggest that a more complete definition of these theories can be provided by
the large N limits of suitably chosen U(N) gauge theories associated to the
asymptotic boundary of spacetime. |
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| DOI: | 10.48550/arxiv.hep-th/9903268 |