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|a Elvang, Henriette
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|a Massachusetts Institute of Technology. Center for Theoretical Physics
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|a Massachusetts Institute of Technology. Department of Mathematics
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|a Freedman, Daniel Z.
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|a Freedman, Daniel Z.
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|a Kiermaier, Michael
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|a Freedman, Daniel Z.
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|a Kiermaier, Michael
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|a Dual conformal symmetry of 1-loop NMHV amplitudes in N=4 SYM theory
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|b Springer Science + Business Media B.V.,
|c 2011-06-28T15:11:48Z.
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|z Get fulltext
|u http://hdl.handle.net/1721.1/64689
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|a We prove that 1-loop n-point NMHV superamplitudes in N=4 SYM theory are dual conformal covariant for all numbers n of external particles (after regularization and subtraction of IR divergences). This property was previously established for n ≤ 9 in arXiv:0808.0491. We derive an explicit representation of these superamplitudes in terms of dual conformal cross-ratios. We also show that all the 1-loop 'box coefficients' obtained from maximal cuts of N k MHV n-point functions are covariant under dual conformal transformations.
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|a MIT-France Seed Fund
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|a France. Commissariat à l'énergie atomique. Saclay Laboratory
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|a Niels Bohr International Academy
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|a National Science Foundation (U.S.) (grant PHY-0503584)
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|a National Science Foundation (U.S.) (grant PHY-0600465)
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|a United States. Dept. of Energy (cooperative research agreement DE-FG0205ER41360)
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|a Article
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|t Journal of High Energy Physics
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