Some simple theories of gravity with propagating nonmetricity
arXiv:2401.10097 · doi:10.1140/epjc/s10052-025-14036-w
Abstract
We investigate symmetric Metric-Affine Theories of Gravity with a Lagrangian containing all operators of dimension up to four that are relevant to free propagation in flat space. Complementing recent work in the antisymmetric case, we derive the conditions for the existence of a single massive particle with good properties, in addition to the graviton.
arXiv comment20 pages
References in corpus (6)
- The Higgs Phenomenon in Quantum Gravity
- A New Class of Ghost and Tachyon Free Metric Affine Gravities
- Metric-Affine Gravity as an Effective Field Theory
- The role of nonmetricity in metric-affine theories of gravity
- Ghost and tachyon free Poincaré gauge theories: a systematic approach
- Ghostfree quadratic curvature theories with massive spin-2 and spin-0 particles