Massive gravity acausality redux

2013/06/30 by S. Deser, K. Izumi, Keisuke Izumi +4 · 3 citations
Mathematics · Physics and Astronomy · #Algorithm #Astrophysics #Black Holes and Theoretical Physics #Classical mechanics #Computation #Context (archaeology) #Cosmology and Gravitation Theories #Geology #Mathematics #Physics #Pulsars and Gravitational Waves Research #Shock (circulatory) #Superluminal motion #gr-qc #hep-th

paper · pdf · doi:10.1016/j.physletb.2013.09.001

published as Phys. Lett. B 726 (2013) 544 · 16 pages LaTeX, references added, Physics Letters B version

openalex publication_date 2013/09/11 · arxiv created 2013/09/26 · arxiv updated 2015/06/16 · openalex created_date 2025/10/10 · openalex updated_date 2026/08/05

Abstract

Massive gravity (mGR) is a 5(=2s+1) degree of freedom, finite range extension of GR. However, amongst other problems, it is plagued by superluminal propagation, first uncovered via a second order shock analysis. First order mGR shock structures have also been studied, but the existence of superluminal propagation in that context was left open. We present here a concordance of these methods, by an explicit (first order) characteristic matrix computation, which confirms mGRʼs superluminal propagation as well as acausality.

Citations

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Cited by

• Self-accelerating massive gravity: Superluminality, Cauchy surfaces, and strong coupling
• Canonical structure of tetrad bimetric gravity
• Nonlinear dynamical stability of infrared modifications of gravity