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Berends-Giele currents in Bern-Carrasco-Johansson gauge for F3- and F4-deformed Yang-Mills amplitudes
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- Garozzo, Lucia M. (author)
- Uppsala universitet,Teoretisk fysik,Perimeter Inst Theoret Phys, Waterloo, ON, Canada
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- Queimada, Leonel (author)
- Perimeter Inst Theoret Phys, Waterloo, ON, Canada
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- Schlotterer, Oliver (author)
- Perimeter Inst Theoret Phys, Waterloo, ON, Canada; Albert Einstein Inst, Max Planck Inst Gravitationsphys, Potsdam, Germany
- (creator_code:org_t)
- 2019
- 2019
- English.
- In: Journal of High Energy Physics (JHEP). - 1126-6708 .- 1029-8479. ; :2
- Journal article (peer-reviewed)
Abstract
Subject headings
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- We construct new representations of tree-level amplitudes in D-dimensional gauge theories with deformations via higher-mass-dimension operators α′F3 and α′2F4. Based on Berends-Giele recursions, the tensor structure of these amplitudes is compactly organized via off-shell currents. On the one hand, we present manifestly cyclic representations, where the complexity of the currents is systematically reduced. On the other hand, the duality between color and kinematics due to Bern, Carrasco and Johansson is manifested by means of non-linear gauge transformations of the currents. We exploit the resulting notion of Bern-Carrasco-Johansson gauge to provide explicit and manifestly local double-copy representations for gravitational amplitudes involving α′R2 and α′2R3 operators.
Subject headings
- NATURVETENSKAP -- Fysik -- Subatomär fysik (hsv//swe)
- NATURAL SCIENCES -- Physical Sciences -- Subatomic Physics (hsv//eng)
Keyword
- Scattering Amplitudes
- Bosonic Strings
- Gauge Symmetry
Publication and Content Type
- ref (subject category)
- art (subject category)
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