Physics – High Energy Physics – High Energy Physics - Theory
Scientific paper
1998-05-12
Phys.Lett. B435 (1998) 303-311
Physics
High Energy Physics
High Energy Physics - Theory
12 pages, 1 eps figure, JHEP.cls LaTeX2e class file; sign corrected, ref. and acknowledgements updated
Scientific paper
10.1016/S0370-2693(98)00812-0
Extending a recent result of S.B. Giddings, F. Hacquebord and H. Verlinde, we show that in the U(N) SYM Matrix theory there exist classical BPS instantons which interpolate between different closed string configurations via joining/splitting interactions similar to those of string field theory. We construct them starting from branched coverings of Riemann surfaces. For the class of them which we analyze in detail the construction can be made explicit in terms U(N) affine Toda field theories.
Bonelli Giulio
Bonora Loriano
Nesti Fabrizio
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