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  Loop Quantum Cosmology and Boundary Proposals

Bojowald, M., & Vandersloot, K. (2006). Loop Quantum Cosmology and Boundary Proposals. In M. Novello, S. Perez-Bergliaffa, & R. Ruffini (Eds.), Proceedings of Tenth Marcel Grossmann Meeting on General Relativity (pp. 1089-1103). Singapore: World Scientific.

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Item Permalink: http://hdl.handle.net/11858/00-001M-0000-0013-5F4C-E Version Permalink: http://hdl.handle.net/11858/00-001M-0000-002C-58C8-3
Genre: Conference Paper

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60198.pdf (Preprint), 231KB
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 Creators:
Bojowald, Martin1, Author
Vandersloot, Kevin, Author
Affiliations:
1Quantum Gravity & Unified Theories, AEI-Golm, MPI for Gravitational Physics, Max Planck Society, ou_24014              

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 Abstract: For many years, the most active area of quantum cosmology has been the issue of choosing boundary conditions for the wave function of a universe. Recently, loop quantum cosmology, which is obtained from loop quantum gravity, has shed new light on this question. In this case, boundary conditions are not chosen by hand with some particular physical intuition in mind, but they are part of the dynamical law. It is then natural to ask if there are any relations between these boundary conditions and the ones provided before. After discussing the technical foundation of loop quantum cosmology which leads to crucial ifferences to the Wheeler–DeWitt quantization, we compare the dynamical initial conditions of loop quantum cosmology with the tunneling and the no-boundary proposal and explain why they are closer to the no-boundary condition. We end with a discussion of recent developments and several open problems of loop quantum cosmology.

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Language(s): eng - English
 Dates: 2006
 Publication Status: Published in print
 Pages: -
 Publishing info: -
 Table of Contents: -
 Rev. Method: -
 Identifiers: eDoc: 60198
 Degree: -

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Title: MG10 Meeting held at Brazilian Center for Research in Physics (CBPF)
Place of Event: Rio de Janeiro, Brazil
Start-/End Date: 2003-07-20 - 2003-07-26

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Title: Proceedings of Tenth Marcel Grossmann Meeting on General Relativity
Source Genre: Proceedings
 Creator(s):
Novello, Mario, Editor
Perez-Bergliaffa, Santiago, Editor
Ruffini, Remo, Editor
Affiliations:
-
Publ. Info: Singapore : World Scientific
Pages: - Volume / Issue: - Sequence Number: - Start / End Page: 1089 - 1103 Identifier: ISBN: 978-981-256-667-6