A Note on Loop Amplitudes in QED
arXiv:0908.1306
Abstract
We consider the two-loop four-point amplitude in N=2 super QED, and show that there exists an approximate recursive structure similar to that captured by the ABDK/BDS ansatz for MHV amplitudes in N=4 super Yang-Mills. Furthermore, we present a simple relation between the box coefficients of one-loop photon MHV amplitudes in (super) QED, and sums of box coefficients of one-loop MHV amplitudes in (super) Yang-Mills.
15 pages, 3 figures, uses axodraw
References in corpus (10)
- MHV Amplitudes in N=4 Super Yang-Mills and Wilson Loops
- The Two-Loop Six-Gluon MHV Amplitude in Maximally Supersymmetric Yang-Mills Theory
- Three-Loop Superfiniteness of N=8 Supergravity
- The hexagon Wilson loop and the BDS ansatz for the six-gluon amplitude
- Tree Level Recursion Relations In General Relativity
- Six-Photon Amplitudes
- Two-loop graviton scattering relation and IR behavior in N=8 supergravity
- Four-point Amplitudes in N=8 Supergravity and Wilson Loops
- One-loop N=8 supergravity coefficients from N=4 super Yang-Mills
- Supersymmetric Yang-Mills and Supergravity Amplitudes at One Loop