24 citations · 96 across the 10 of their papers we have counts for
16 papers · 1 filter
Canonical differential equations for Feynman integrals from -hypergeometric systems in the Schwinger representation
Mateo Jimenez-Santacruz, Cristhiam Lopez-Arcos, Alexander Quintero Velez
We follow a -module approach to the construction of canonical differential equations for Feynman integrals directly from their Gel'fand-Kapranov-Zelevinsky (GKZ) hypergeometric…
On the amplitude expansion of gluon correlators in
Humberto Gomez, Renann Lipinski Jusinskas, Arthur Lipstein +1
We show that tree-level gluon correlators in admit a natural expansion in terms of flat-space scattering amplitudes at all multiplicities. In particular, every …
One-loop double copy from gravity coupled to a massive vector field
Cristhiam Lopez-Arcos
In this work, we compute the one-loop four-graviton amplitudes with a massive abelian vector field (Proca) circulating in the loop. Instead of the conventional Einstein-Hilbert for…
Tree- and one-loop-level double copy for the (anti)self-dual sectors of Yang-Mills and gravity
Daniel Herrera Correa, Cristhiam Lopez-Arcos, Alexander Quintero Velez
By employing the perturbiner method we study the tree- and one-loop-level amplitudes in (anti)self-dual Yang-Mills, focusing on color-kinematics duality and double copy features; t…
One-loop -point correlators in pure gravity
Humberto Gomez, Renann Lipinski Jusinskas, Cristhiam Lopez-Arcos +1
In this work we propose a simple algebraic recursion for the complete one-loop integrands of -graviton correlators. This formula automatically yields the correct symmetry factor…
The QED four-photon amplitudes off-shell: part 2
Naser Ahmadiniaz, Cristhiam Lopez-Arcos, Misha A. Lopez-Lopez +1
This is the second one of a series of four papers devoted to a first calculation of the scalar and spinor QED four-photon amplitudes completely off-shell. We use the worldline form…