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Yangian in the twistor string
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DOI：10.1007/JHEP10(2010)076.png)
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Abstract
En 中文
We study symmetries of the quantized open twistor string. In addition to global PSL(4 vertical bar 4) symmetry, we find non-local conserved currents. The associated non-local charges lead to Ward identities which show that these charges annihilate the string gluon tree amplitudes, and have the same form as symmetries of amplitudes in N = 4 super conformal Yang Mills theory. We describe how states of the open twistor string form a realization of the PSL(4 vertical bar 4) Yangian superalgebra.
Keywords:
Gauge-gravity correspondence
Conformal Field Models in String Theory
Global Symmetries
Journal
IF:
5.5
Papers:
3.9W
Citations:
13.7W