Physics – High Energy Physics – High Energy Physics - Theory
Scientific paper
2008-12-17
JHEP 0906:045,2009
Physics
High Energy Physics
High Energy Physics - Theory
63 pages, v2: minor corrections, v3: minor improvements
Scientific paper
10.1088/1126-6708/2009/06/045
We investigate the scattering matrix in mass-deformed N>=4 Chern-Simons models including as special cases the BLG and ABJM theories of multiple M2 branes. Curiously the structure of this scattering matrix in three spacetime dimensions is equivalent to (a) the two-dimensional worldsheet matrix found in the context of AdS/CFT integrability and (b) the R-matrix of the one-dimensional Hubbard model. The underlying reason is that all three models are based on an extension of the psu(2|2) superalgebra which constrains the matrix completely. We also compute scattering amplitudes in one-loop field theory and find perfect agreement with scattering unitarity.
Agarwal Abhishek
Beisert Niklas
McLoughlin Tristan
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