Strings in flat space and pp waves from N=4 superYang-Mills
Feb, 2002
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Abstract:
We explain how the string spectrum in flat space and pp-waves arises from the large limit, at fixed , of U(N) super Yang Mills. We reproduce the spectrum by summing a subset of the planar Feynman diagrams. We give a heuristic argument for why we can neglect other diagrams. We also discuss some other aspects of pp-waves and we present a matrix model associated to the DLCQ description of the maximally supersymmetric eleven dimensional pp-waves.- gauge field theory: U(N)
- supersymmetry
- expansion 1/N
- string model: spectrum
- matrix model
- quantization: light cone
- discrete
- M-theory
- dimension: 10
- space-time
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