Physics – High Energy Physics – High Energy Physics - Theory
Scientific paper
1998-04-18
Nucl.Phys. B537 (1999) 260-296
Physics
High Energy Physics
High Energy Physics - Theory
44 pages, harvmac; minor reference and equation corrections
Scientific paper
10.1016/S0550-3213(98)00662-2
In this paper we use the matrix string approach to begin a study of high energy scattering processes in M-theory. In particular we exhibit an instanton-type configuration in 1+1 super-Yang-Mills theory that can be interpreted as a non-perturbative description of a string interaction. This solution is used to describe high energy processes with non-zero longitudinal momentum exchange, in which an arbitrary number of eigenvalues get transferred between the two scattering states. We describe a direct correspondence between these semi-classical SYM configurations and the Gross-Mende saddle points. We also study in detail the pair production of D-particles via a one-loop calculation which in the 1+1D gauge theory language is described by the (perturbative) transition between states with different electric flux. Finally, we discuss a possible connection between these calculations in which D-particle production gives important corrections to the Gross-Mende process.
Giddings Steven B.
Hacquebord Feike
Verlinde Herman
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