QUANTUM GRAVITY PHENOMENOLOGY, LORENTZ INVARIANCE AND DISCRETENESS

By Fay Dowker, Joe Henson, Rafael D. Sorkin. 2003

179 citations recorded by the source corpus.

Contrary to what is often stated, a fundamental spacetime discreteness need not contradict Lorentz invariance. A causal set's discreteness is in fact locally Lorentz invariant, and we recall the re...

Subfields: Astronomy and Astrophysics, Statistical and Nonlinear Physics

View Paper: https://www.semanticscholar.org/paper/ad1cb3e9892d04fa819e5e5cb28bdfe44478f78c

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Citations in the corpus

Modern Tests of Lorentz Invariance (2005, unknown): “…. . . . . . . . . . 36 6.4 Threshold constraints . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37 6.5 Particle threshold interactions in EFT . . . . . . . . . . . . . . . . . . . . . . . . . 38 6.5.1 Required particle energy for “Planck scale” constraints . . . . . . . . . . .”
Tests of Lorentz invariance: a 2013 update (2013, background): “‖ See however [111] for an example where (coarse grained) boost invariance is preserved in a discrete model, and [112, 113] for a study of how discreteness may be compatible with Lorentz symmetry in a quantum setting.”
Lorentz violation at high energy: Concepts, phenomena, and astrophysical constraints (2005, background): “4 See however [50] for an example where (coarse grained) boost invariance is preserved in a discrete model, and [51] for a study of how discreteness may be compatible with Lorentz symmetry in a quantum setting.”
Quantum-Spacetime Phenomenology (2008, background): “where [214, 316, 396] K is the diffusion constant, ∇(2)P is the Laplacian in momentum space on the mass shell of the particle, τ is the proper time, and ∂μ is an ordinary spacetime derivative.”