Spontaneous Dimensional Reduction in Quantum Gravity
General Relativity and Quantum Cosmology
2016-11-15 v1 High Energy Physics - Theory
Abstract
Hints from a number of different approaches to quantum gravity point to a phenomenon of "spontaneous dimensional reduction" to two spacetime dimensions near the Planck scale. I examine the physical meaning of the term "dimension" in this context, summarize the evidence for dimensional reduction, and discuss possible physical explanations.
Cite
@article{arxiv.1605.05694,
title = {Spontaneous Dimensional Reduction in Quantum Gravity},
author = {S. Carlip},
journal= {arXiv preprint arXiv:1605.05694},
year = {2016}
}
Comments
Third award, 2016 Gravity Research Foundation Essay Contest