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SPIN FOAM MODELS OF QUANTUM GRAVITY

Name: SPIN FOAM MODELS OF QUANTUM GRAVITY
Creator: Aleksandar Mikovic
Keywords: High Energy Physics - Theory, High Energy Physics - Theory (hep-th), 0103 physical sciences, FOS: Physical sciences, 01 natural sciences

descriptionPublicationkeyboard_double_arrow_right Article , Preprint , Other literature type 01 Mar 2005Embargo end date: 01 Jan 2004Publisher:World Scientific Pub Co Pte LtdJournal:Mathematical, Theoretical and Phenomenological Challenges Beyond the Standard Model

Authors: Aleksandar Mikovic;

doi: 10.1142/9789812702166_0007 , 10.48550/arxiv.hep-th/0404259

arXiv: http://arxiv.org/abs/hep-th/0404259

SPIN FOAM MODELS OF QUANTUM GRAVITY

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Abstract

We give a short review of the spin foam models of quantum gravity, with an emphasis on the Barret-Crane model. After explaining the shortcomings of the Barret-Crane model, we briefly discuss two new approaches, one based on the 3d spin foam state sum invariants for the embedded spin networks, and the other based on representing the string scattering amplitudes as 2d spin foam state sum invariants.

6 pages, talk at the Balkan Workshop 2003, 29 Aug. - 2 Sept. Vrnjacka Banja, Serbia

Related Organizations

Universidade Lusófona
Portugal

Keywords

High Energy Physics - Theory, High Energy Physics - Theory (hep-th), FOS: Physical sciences

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