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  Regge calculus from a new angle

Bahr, B., & Dittrich, B. (2010). Regge calculus from a new angle. New Journal of Physics, 12: 033010. doi:10.1088/1367-2630/12/3/033010.

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Item Permalink: http://hdl.handle.net/11858/00-001M-0000-0013-6110-3 Version Permalink: http://hdl.handle.net/11858/00-001M-0000-0013-6113-E
Genre: Journal Article

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0907.4325v1.pdf (Preprint), 144KB
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1367-2630_12_3_033010.pdf (Publisher version), 543KB
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 Creators:
Bahr, Benjamin1, Author
Dittrich, Bianca1, Author              
Affiliations:
1Canonical and Covariant Dynamics of Quantum Gravity, AEI-Golm, MPI for Gravitational Physics, Max Planck Society, Golm, DE, escidoc:102878              

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 Abstract: In Regge calculus space time is usually approximated by a triangulation with flat simplices. We present a formulation using simplices with constant sectional curvature adjusted to the presence of a cosmological constant. As we will show such a formulation allows to replace the length variables by 3d or 4d dihedral angles as basic variables. Moreover we will introduce a first order formulation, which in contrast to using flat simplices, does not require any constraints. These considerations could be useful for the construction of quantum gravity models with a cosmological constant.

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 Dates: 20102010
 Publication Status: Published in print
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 Rev. Method: -
 Identifiers: eDoc: 436548
Other: arXiv:0907.4325
DOI: 10.1088/1367-2630/12/3/033010
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Title: New Journal of Physics
  Alternative Title : New J. Phys.
Source Genre: Journal
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Publ. Info: Bristol, UK : Institute of Physics Pub.
Pages: - Volume / Issue: 12 Sequence Number: 033010 Start / End Page: - Identifier: Other: 954926913666
Other: 1367-2630