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Ambitwistor string vertex operators on curved backgrounds

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arxiv 1809.04489 v1 pith:H25OFCHJ submitted 2018-09-12 hep-th

Tim Adamo , Eduardo Casali , Stefan Nekovar This is my paper · ORCID
classification hep-th
keywords backgroundsambitwistoroperatorsvertexaroundstringsappropriateapproximation
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We present vertex operators for ambitwistor strings around generic Yang-Mills, gravity and NS-NS backgrounds. The requirement that vertex operators lie in the BRST cohomology of the worldsheet theory enforces the appropriate linear equations of motion (as well as gauge fixing conditions) for the respective perturbations in these backgrounds. Due to the nature of ambitwistor strings, no approximation is taken and all calculations around the backgrounds are exact.

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Cited by 2 Pith papers

Reviewed papers in the Pith corpus that reference this work. Sorted by Pith novelty score. Full citation record

  1. On polarized scattering equations for superamplitudes of 11D supergravity and ambitwistor superstring

    hep-th 2019-08 conditional novelty 6.0 of 10

    The polarized scattering equation for 11D supergravity is derived from the supertwistor form of the ambitwistor superstring with SO(16) covariance, and a fermionic superpartner equation on superamplitudes is found.

  2. The spectrum of the bosonic ambitwistor string revisited

    hep-th 2026-06 unverdicted novelty 5.0 of 10

    The bosonic ambitwistor string spectrum is confined to the massless sector and contains the dilaton, metric, Kalb-Ramond field plus an extra vector, but is non-unitary.

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