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Dynamical dimensional reduction in toy models of 4D causal quantum gravity

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...

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Publication status:
Published

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Publisher copy:
10.1103/PhysRevD.86.081503

Authors


Giasemidis, G More by this author
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Institution:
University of Oxford
Department:
Oxford, MPLS, Physics, Theoretical Physics
More by this author
Institution:
University of Oxford
Department:
Oxford, MPLS, Physics
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
Language:
English
Keywords:

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