The Kernel of the Rarita–Schwinger Operator on Riemannian Spin Manifolds

Yasushi Homma, Uwe Semmelmann

Research output: Contribution to journalArticlepeer-review

2 Citations (Scopus)

Abstract

We study the Rarita–Schwinger operator on compact Riemannian spin manifolds. In particular, we find examples of compact Einstein manifolds with positive scalar curvature where the Rarita–Schwinger operator has a non-trivial kernel. For positive quaternion Kähler manifolds and symmetric spaces with spin structure we give a complete classification of manifolds admitting Rarita–Schwinger fields. In the case of Calabi–Yau, hyperkähler, G2 and Spin(7) manifolds we find an identification of the kernel of the Rarita–Schwinger operator with certain spaces of harmonic forms. We also give a classification of compact irreducible spin manifolds admitting parallel Rarita–Schwinger fields.

Original languageEnglish
Pages (from-to)853-871
Number of pages19
JournalCommunications in Mathematical Physics
Volume370
Issue number3
DOIs
Publication statusPublished - 2019 Sep 1

ASJC Scopus subject areas

  • Statistical and Nonlinear Physics
  • Mathematical Physics

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