Two-loop scattering amplitudes from ambitwistor strings: from genus two to the nodal Riemann sphere

DOI10.1007/JHEP11(2018)008zbMath1404.83117arXiv1805.05344OpenAlexW2804533603WikidataQ128980031 ScholiaQ128980031MaRDI QIDQ1635107

Yvonne Geyer, Ricardo Monteiro

Publication date: 18 December 2018

Published in: Journal of High Energy Physics (Search for Journal in Brave)

Full work available at URL: https://arxiv.org/abs/1805.05344

zbMATH Keywords

scattering amplitudessupergravitysuper-Yang-Mills theoryfield theories in higher dimensionssuperstrings and heterotic stringsgenus-two Riemann surface

Mathematics Subject Classification ID

String and superstring theories in gravitational theory (83E30) Supergravity (83E50) Supersymmetric field theories in quantum mechanics (81T60) Applications of differential geometry to physics (53Z05) (S)-matrix theory, etc. in quantum theory (81U20) Spinor and twistor methods in general relativity and gravitational theory; Newman-Penrose formalism (83C60) Yang-Mills and other gauge theories in mechanics of particles and systems (70S15)

Related Items (23)

Ambitwistor integrands from tensionless chiral superstring integrands ⋮ Propagators, BCFW recursion and new scattering equations at one loop ⋮ Scattering equations in AdS: scalar correlators in arbitrary dimensions ⋮ One-loop amplitudes in Einstein-Yang-Mills from forward limits ⋮ One-loop CHY-integrand of bi-adjoint scalar theory ⋮ One-loop diagrams with quadratic propagators from the worldsheet ⋮ Cyclic products of Szegö kernels and spin structure sums. I: Hyper-elliptic formulation ⋮ Massive ambitwistor-strings; twistorial models ⋮ D3-brane loop amplitudes from M5-brane tree amplitudes ⋮ Two-loop superstring five-point amplitudes. I: Construction via chiral splitting and pure spinors ⋮ Bootstrapping solutions of scattering equations ⋮ Kinematic numerators from the worldsheet: cubic trees from labelled trees ⋮ One-loop correlators and BCJ numerators from forward limits ⋮ Towards the n-point one-loop superstring amplitude. III: One-loop correlators and their double-copy structure ⋮ One-loop integrand from generalised scattering equations ⋮ Celestial double copy from the worldsheet ⋮ Two-loop scattering amplitudes: double-forward limit and colour-kinematics duality ⋮ Chiral strings, the sectorized description and their integrated vertex operators ⋮ Twistor strings for \(\mathcal{N} = 8\) supergravity ⋮ One-loop matrix elements of effective superstring interactions: \(\alpha^\prime\)-expanding loop integrands ⋮ Two-loop superstring five-point amplitudes. III: Construction via the RNS formulation: even spin structures ⋮ Ambitwistor strings and the scattering equations on \(\mathrm{AdS}_3\times\mathrm{S}^3\) ⋮ String correlators: recursive expansion, integration-by-parts and scattering equations

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