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Quasilocality of splitting/joining strings from coherent states

Kristjansen, C (Niels Bohr Institute)
Monday 10 December 2007, 16:10-16:50

Seminar Room 1, Newton Institute


Using the coherent state formalism we calculate matrix elements of the one-loop non-planar dilatation operator N=4 SYM between operators dual to folded Frolov-Tseytlin strings and observe a curious scaling behavior. We comment on the qualitative similarity of our matrix elements to the interaction vertex of a string field theory. In addition, we present a solvable toy model for string splitting and joining. The scaling behaviour of the matrix elements suggests that the contribution to the genus one energy shift coming from semi-classical string splitting and joining is small.


[pdf ]




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