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17 papers · 2 filters
Amplitudes at Infinity
Jacob L. Bourjaily, Enrico Herrmann, Jaroslav Trnka
We investigate the asymptotically large loop-momentum behavior of multi-loop amplitudes in maximally supersymmetric quantum field theories in four dimensions. We check residue-theo…
Inflationary spectral tilts as a result of the dilatation symmetry breaking
Pisin Chen, Jiro Matsumoto, Rio Saitou
We derive the spectral indices and their runnings of single inflation models by a new approach. We perform a dilatation transformation to the linear cosmological perturbations and…
The two-loop five-point amplitude in super-Yang-Mills theory
Samuel Abreu, Lance J. Dixon, Enrico Herrmann +2
We compute the symbol of the two-loop five-point scattering amplitude in = 4 super-Yang-Mills theory, including its full color dependence. This requires constructing…
All two-loop MHV remainder functions in multi-Regge kinematics
Vittorio Del Duca, Claude Duhr, Falko Dulat +1
We introduce a method to extract the symbol of the coefficient of of MHV remainder functions in planar N=4 Super Yang-Mills in multi-Regge kinematics region directly from…
Duality Web on a 3D Euclidean Lattice and Manifestation of Hidden Symmetries
Jun Ho Son, Jing-Yuan Chen, S. Raghu
We generalize our previous lattice construction of the abelian bosonization duality in dimensions to the entire web of dualities as well as the self-duality, via the…
Cluster Algebras and the Subalgebra Constructibility of the Seven-Particle Remainder Function
John Golden, Andrew J. McLeod
We review various aspects of cluster algebras and the ways in which they appear in the study of loop-level amplitudes in planar supersymmetric Yang-Mills theory. In…