nLab
scattering amplitude

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Context

Physics

physics, mathematical physics

Surveys, textbooks and lecture notes

theory (physics), model (physics)

Contents

Idea

The probability amplitude? for a process of scattering of fundamental particles or fundamental strings off each other. The collection of scattering amplitudes forms the S-matrix.

References

General

(…)

Analytic methods

  • Ruth Britto, Loop amplitudes in gauge theories: modern analytic approaches (arXiv:1012.4493)

See also at motivic multiple zeta values.

In super Yang-Mills theory

In super Yang-Mills theory (and there in particular in the planar limit of N=4 D=4 super Yang-Mills theory) scattering amplitudes enjoy special symmetry properties, some of which can be used to extract information about scattering amplitudes in non-supersymmetric theories:

  • Nima Arkani-Hamed, Jacob L. Bourjaily, Freddy Cachazo, Alexander B. Goncharov, Alexander Postnikov, Jaroslav Trnka, Scattering Amplitudes and the Positive Grassmannian (arXiv:1212.5605)

In string theory

  • Wieland Staessens, Bert Vercnocke, Lectures on Scattering Amplitudes in String Theory (arXiv:1011.0456)

Revised on May 21, 2013 13:22:57 by Urs Schreiber (84.153.217.199)
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