Unitarity, Crossing Symmetry and Duality of the S-matrix in large N Chern-Simons theories with fundamental matter

Abstract

We present explicit computations and conjectures for $2\to 2$ scattering matrices in large $N$ {\it $U(N)$} Chern-Simons theories coupled to fundamental bosonic or fermionic matter to all orders in the 't Hooft coupling expansion. The bosonic and fermionic S-matrices map to each other under the recently conjectured Bose-Fermi duality after a level-rank transposition. The S-matrices presented in this paper may be regarded as relativistic generalization of Aharonov-Bohm scattering. They have unusual structural features: they include a non analytic piece localized on forward scattering, and obey modified crossing symmetry rules. We conjecture that these unusual features are properties of S-matrices in all Chern-Simons matter theories. The S-matrix in one of the exchange channels in our paper has an anyonic character; the parameter map of the conjectured Bose-Fermi duality may be derived by equating the anyonic phase in the bosonic and fermionic theories.

66 pages+ 45 pages appendices, 20 figures, Few typos corrected and few references added

References in corpus (5)

• Non-Abelian Anyons and Topological Quantum Computation
• Seiberg Duality in Chern-Simons Theory
• Scattering in Mass-Deformed N>=4 Chern-Simons Models
• One Loop Amplitudes In ABJM
• On the ABJM four-point amplitude at three loops and BDS exponentiation

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