- Abstract:
-
In recent years several approaches to quantum gravity have found evidence for a scale dependent spectral dimension of space-time varying from four at large scales to two at small scales of order of the Planck length. The first evidence came from numerical results on four-dimensional causal dynamical triangulations (CDT) [Ambjorn et al., Phys. Rev. Lett. 95 (2005) 171]. Since then little progress has been made in analytically understanding the numerical results coming from the CDT approach and...
Expand abstract - Publication status:
- Published
- Publisher copy:
- 10.1103/PhysRevD.86.081503
-
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- Journal:
- Physical Review D
- Volume:
- 86
- Issue:
- 8
- Pages:
- 081503
- Publication date:
- 2012-02-13
- DOI:
- EISSN:
-
1550-2368
- ISSN:
-
1550-7998
- URN:
-
uuid:8ec11622-66bc-42e2-978c-cf33de5d728a
- Source identifiers:
-
254323
- Local pid:
- pubs:254323
- Copyright date:
- 2012
- Notes:
-
12 pages, 2 figures, v3: improved discussion, results unchanged, as
published
Journal article
Dynamical dimensional reduction in toy models of 4D causal quantum gravity
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