Wayne State University, Department of Physics and Astronomy

Colloquium

Thursday 24 September, 1998

The Theory Formerly Known as Strings

Michael Duff, Texas A&M University

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superstrings. 1995 witnessed another shift of equal proportions, however, when superstrings were themselves superseded by ``M-theory'', a non-perturbative theory which describes extended objects with two dimensions (supermembranes) and five dimensions (superfivebranes), which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.

Colloquium starts at 16:00 in Room 245 and lasts about 1 hour including questions. Refreshements are served at 15:30 in room 245.

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