Spontaneous dimensional reduction in quantum gravity

By S. Carlip. 2016

156 citations recorded by the source corpus.

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.

Subfields: Astronomy and Astrophysics, Atomic and Molecular Physics, and Optics, Statistical and Nonlinear Physics

View Paper: https://www.semanticscholar.org/paper/d5dbc28e14814ceefd1ccc5803dfa5dfbefacd30