Alfredo Guevara

Research Interests

My research is motivated by trying to understand the structure of perturbative quantum field theories via scattering amplitudes. For this purpose I employ diverse tools such as soft theorems, double-copy relations, scattering equations, and underlying geometrical structures.

Recent Publications

• "Scattering Equations: From Projective Spaces to Tropical Grassmannians", Freddy Cachazo, Nick Early, AG, Sebastian Mizera, JHEP 1906 (2019) 039, arXiv: 1903.08904 [hep-th]
• "Scattering of Spinning Black Holes from Exponentiated Soft Factors", AG, Alexander Ochirov, Justin Vines, JHEP 1909 (2019) 056, arXiv: 1812.06895 [hep-th]
• "Delta-algebra and scattering amplitudes", AG, Freddy Cachazo, Nick Early, Sebastian Mizera, JHEP 1902 (2019) 005, arXiv: 1812.01168 [hep-th]
• "The S Matrix of 6D Super Yang--Mills and Maximal Supergravity from Rational Maps", AG, Freddy Cachazo, Matthew Heydeman, Sebastian Mizera, John H. Schwarz, Congkao Wen, JHEP 1809 (2018) 125, arXiv: 1805.11111 [hep-th]
• "Holomorphic Classical Limit for Spin Effects in Gravitational and Electromagnetic Scattering", AG, JHEP04 (2019) 033, arXiv: 1706.02314 [hep-th]
• "A Soft Theorem for the Tropical Grassmannian", AG, Diego Garcia Sepulveda, arXiv: 1909.05291 [hep-th]
• "On the Double Copy for Spinning Matter", AG, Y. F. Bautista, arXiv: 1908.11349 [hep-th]
• "Notes on Conformal Soft Theorems and Recursion Relations in Gravity", AG, arXiv: 1906.07810 [hep-th]
• "Black-hole scattering with general spin directions from minimal-coupling amplitudes", AG, Alexander Ochirov, Justin Vines, arXiv: 1906.10071 [hep-th]
• "From Scattering Amplitudes to Classical Physics: Universality, Double Copy and Soft Theorems", AG, Y. F. Bautista, arXiv: 1903.12419 [hep-th]
• "Leading Singularities and Classical Gravitational Scattering", AG, Freddy Cachazo, arXiv: 1705.10262 [hep-th]