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Chiral Approach to Massive Higher Spins.

Alexander Ochirov1, Evgeny Skvortsov2,3

  • 1Mathematical Institute, University of Oxford, Woodstock Road, Oxford OX2 6GG, United Kingdom.

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|December 23, 2022
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We introduce a novel chiral framework for massive higher-spin particles, enabling consistent interactions. This breakthrough offers the first consistent interacting field theories for massive higher-spin fields.

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Area of Science:

  • Theoretical Physics
  • Quantum Field Theory
  • High-Energy Physics

Background:

  • Consistent interactions for massive higher-spin particles are crucial for understanding fundamental physics.
  • Previous theoretical frameworks have faced challenges in incorporating these particles into consistent theories.

Purpose of the Study:

  • To develop a new chiral description for massive higher-spin particles in four spacetime dimensions.
  • To facilitate the introduction of consistent interactions for these particles.

Main Methods:

  • Formulation of three theories coupling higher-spin matter to electrodynamics, non-Abelian gauge theory, and gravity.
  • Development of simple Lagrangians and Feynman rules analogous to massive scalars.
  • Derivation of tree-level scattering amplitudes using these Feynman rules.

Main Results:

  • Successful formulation of chiral theories with consistent interactions for massive higher-spin fields.
  • Derivation of scattering amplitudes that match existing arbitrary-multiplicity results.
  • These theories represent the first known examples of consistent interacting field theories with massive higher-spin fields.

Conclusions:

  • The proposed chiral description provides a viable pathway for consistent interactions of massive higher-spin particles.
  • The derived scattering amplitudes validate the consistency and predictive power of the new framework.
  • This work opens new avenues for exploring physics involving massive higher-spin particles.