Colloquia

Colloquium
Friday, November 16, 2001
4:00 PM
Physics Building, Room 204
Note special time.

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"A Layman's Guide To M-Theory"


Michael Duff , University of Michigan
[Host: P. Q. Hung]
ABSTRACT:
Superunification of the fundamental interactions underwent a major paradigm shift in 1984 when eleven-dimensional supergravity was knocked off its pedestal by ten-dimensional superstrings. 1995 witnessed another shift of equal proportions, however, when superstrings were themselves superseded by ``M-theory'', a non-perturbative theory which describes extended objects with two dimensions (supermembranes) and five dimensions (superfivebranes), which subsumes all five consistent string theories and whose low-energy limit is, ironically, eleven-dimensional supergravity.

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