English

Problems with models of a fundamental length

General Relativity and Quantum Cosmology 2015-03-17 v1 High Energy Physics - Phenomenology High Energy Physics - Theory

Abstract

I critically examine various ad hoc models describing a fundamental minimal length at the level of the propagator. They violate causality and/or unitarity.

Cite

@article{arxiv.1004.5324,
  title  = {Problems with models of a fundamental length},
  author = {David Campo},
  journal= {arXiv preprint arXiv:1004.5324},
  year   = {2015}
}
R2 v1 2026-06-21T15:16:32.562Z