SCOAP3 Repository 9 records found  Search took 0.14 seconds. 
1. Two-Loop Five-Point Amplitude in N=4 Super-Yang-Mills Theory / Abreu, Samuel ; Dixon, Lance J. ; Herrmann, Enrico ; Page, Ben ; et al
We compute the symbol of the two-loop five-point scattering amplitude in N=4 supersymmetric Yang-Mills theory, including its full color dependence. [...]
Published in Physical Review Letters 122 (2019) 10.1103/PhysRevLett.122.121603 arXiv:1812.08941
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2. The two-loop five-point amplitude in N $$ \mathcal{N} $$ = 8 supergravity / Abreu, Samuel ; Dixon, Lance ; Herrmann, Enrico ; Page, Ben ; et al
We compute the symbol of the two-loop five-point amplitude in N $$ \mathcal{N} $$ = 8 supergravity. [...]
Published in JHEP 1903 (2019) 123 10.1007/JHEP03(2019)123 arXiv:1901.08563
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3. Maximally supersymmetric amplitudes at infinite loop momentum / Bourjaily, Jacob L. ; Herrmann, Enrico ; Trnka, Jaroslav
We investigate the asymptotically large loop-momentum behavior of multiloop amplitudes in maximally supersymmetric (N=4, 8) quantum field theories in four dimensions. [...]
Published in Physical Review D 99 (2019) 10.1103/PhysRevD.99.066006 arXiv:1812.11185
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4. UV cancellations in gravity loop integrands / Herrmann, Enrico ; Trnka, Jaroslav
In this work we explore the properties of four-dimensional gravity integrands at large loop momenta. [...]
Published in JHEP 1902 (2019) 084 10.1007/JHEP02(2019)084 arXiv:1808.10446
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5. Bootstrapping two-loop Feynman integrals for planar N = 4 $$ \mathcal{N}=4 $$ sYM / Henn, Johannes ; Herrmann, Enrico ; Parra-Martinez, Julio
We derive analytic results for the symbol of certain two-loop Feynman integrals relevant for seven- and eight-point two-loop scattering amplitudes in planar N = 4 $$ \mathcal{N}=4 $$ super-Yang-Mills theory. [...]
Published in JHEP 1810 (2018) 059 10.1007/JHEP10(2018)059 arXiv:1806.06072
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6. Prescriptive unitarity / Bourjaily, Jacob ; Herrmann, Enrico ; Trnka, Jaroslav
We introduce a prescriptive approach to generalized unitarity, resulting in a strictly-diagonal basis of loop integrands with coefficients given by specifically-tailored residues in field theory. [...]
Published in JHEP 1706 (2017) 059 10.1007/JHEP06(2017)059 arXiv:1704.05460
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7. Gravity on-shell diagrams / Herrmann, Enrico ; Trnka, Jaroslav
We study on-shell diagrams for gravity theories with any number of super-symmetries and find a compact Grassmannian formula in terms of edge variables of the graphs. [...]
Published in JHEP 1611 (2016) 136 10.1007/JHEP11(2016)136 arXiv:1604.03479
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8. Evidence for a nonplanar amplituhedron / Bern, Zvi ; Herrmann, Enrico ; Litsey, Sean ; Stankowicz, James ; et al
The scattering amplitudes of planar N $$ \mathcal{N} $$ = 4 super-Yang-Mills exhibit a number of remarkable analytic structures, including dual conformal symmetry and logarithmic singularities of integrands. [...]
Published in JHEP 1606 (2016) 098 10.1007/JHEP06(2016)098 arXiv:1512.08591
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9. Logarithmic singularities and maximally supersymmetric amplitudes / Bern, Zvi ; Herrmann, Enrico ; Litsey, Sean ; Stankowicz, James ; et al
The dual formulation of planar N = 4 $$ \mathcal{N}=4 $$ super-Yang-Mills scattering amplitudes makes manifest that the integrand has only logarithmic singularities and no poles at infinity. [...]
Published in JHEP 1506 (2015) 202 10.1007/JHEP06(2015)202 arXiv:1412.8584
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