Physics – High Energy Physics – High Energy Physics - Theory
Scientific paper
2002-11-08
JHEP 0302:019,2003
Physics
High Energy Physics
High Energy Physics - Theory
Latex file, 26 pages, 4 eps figures. v3: In the end of paper there is a "Note Added" as an update of the results
Scientific paper
10.1088/1126-6708/2003/02/019
Field theories on the plane wave background are considered. We discuss that for such field theories one can only form 1+1 dimensional freely propagating wave packets. We analyze tree level four point functions of scalar field theory as well as scalars coupled to gauge fields in detail and show that these four point functions are well-behaved so that they can be interpreted as S-matrix elements for 2 particle $\to$ 2 particle scattering amplitudes. Therefore, at least classically, field theories on the plane wave background have S-matrix formulation.
Bak Dongsu
Sheikh-Jabbari Mohammad M.
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