Results 11 to 20 of about 56,080 (199)
Scattering Amplitudes with Open Loops [PDF]
Physical Review Letters, 2012 5 pages, 3 figures; v2: Comment on ordering added after eq. (6); typos in eqs. (14,16,17) corrected; various cosmetic changes; reference added.
Cascioli, F +2 more
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Amplitudes, observables, and classical scattering [PDF]
Journal of High Energy Physics, 2019 Abstract We present a formalism for computing classically measurable quantities directly from on-shell quantum scattering amplitudes. We discuss the ingredients needed for obtaining the classical result, and show how to set up the calculation to derive the result efficiently. We do this without specializing to a specific theory. We
Kosower, David A. +2 more
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Measure for Chaotic Scattering Amplitudes
Physical Review Letters, 2022 v2: small corrections, references added; v3: minor improvements to match published ...
Massimo Bianchi +3 more
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Unifying relations for scattering amplitudes [PDF]
Journal of High Energy Physics, 2018 26 pages+refs, 1 figure for the unified web of theories, v2 matched JHEP ...
Clifford Cheung +3 more
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The amplitude for classical gravitational scattering at third Post-Minkowskian order
Journal of High Energy Physics, 2021 We compute the scattering amplitude for classical black-hole scattering to third order in the Post-Minkowskian expansion, keeping all terms needed to derive the scattering angle to that order from the eikonal formalism.
N. Emil J. Bjerrum-Bohr +3 more
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Scattering amplitudes in affine gravity [PDF]
Physical Review D, 2021 Affine gravity is a connection-based formulation of gravity that does not involve a metric. After a review of basic properties of affine gravity, we compute the tree-level scattering amplitude of scalar particles interacting gravitationally via the connection in a curved spacetime.
Benjamin Knorr, Chris Ripken
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Determination of the scattering amplitude [PDF]
Communications in Mathematical Physics, 1984 The problem to determine the elastic scattering amplitude from the differential cross-section by the unitarity equation is reexamined. We prove that the solution is unique and can be determined by a convergent iteration if the parameter λ=sin μ of Newton and Martin is bounded by ...
Gangal, A. D., Kupsch, J.
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Scattering Amplitudes: Celestial and Carrollian
Physical Review Letters, 2022 21 ...
Arjun Bagchi +3 more
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Δ-algebra and scattering amplitudes [PDF]
Journal of High Energy Physics, 2019 Abstract In this paper we study an algebra that naturally combines two familiar operations in scattering amplitudes: computations of volumes of polytopes using triangulations and constructions of canonical forms from products of smaller ones.
Sebastian Mizera +6 more
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Tidal effects for spinning particles
Journal of High Energy Physics, 2021 Expanding on the recent derivation of tidal actions for scalar particles, we present here the action for a tidally deformed spin-1/2 particle. Focusing on operators containing two powers of the Weyl tensor, we combine the Hilbert series with an on-shell ...
Rafael Aoude +2 more
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