Brandhuber, Andreas and Heslop, Paul and Travaglini, Gabriele and Young, Donovan (2015) 'Yangian symmetry of scattering amplitudes and the dilatation operator in N=4 supersymmetric Yang-Mills theory.', Physical review letters., 115 (14). 141602 .
It is known that the Yangian of PSU(2,2|4) is a symmetry of the tree-level S matrix of N=4 super Yang-Mills theory. On the other hand, the complete one-loop dilatation operator in the same theory commutes with the level-one Yangian generators only up to certain boundary terms found by Dolan, Nappi, and Witten. Using a result by Zwiebel, we show how the Yangian symmetry of the tree-level S matrix of N=4 super Yang-Mills theory implies precisely the Yangian invariance, up to boundary terms, of the one-loop dilatation operator.
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|Publisher Web site:||http://dx.doi.org/10.1103/PhysRevLett.115.141602|
|Publisher statement:||Reprinted with permission from the American Physical Society: Physical Review Letters 115, 141602 © 2015 by the American Physical Society. Readers may view, browse, and/or download material for temporary copying purposes only, provided these uses are for noncommercial personal purposes. Except as provided by law, this material may not be further reproduced, distributed, transmitted, modified, adapted, performed, displayed, published, or sold in whole or part, without prior written permission from the American Physical Society.|
|Date accepted:||08 September 2015|
|Date deposited:||20 November 2015|
|Date of first online publication:||30 September 2015|
|Date first made open access:||No date available|
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