Loop quantum gravity: An Outside view
Nicolai, H.; Peeters, K.; Zamaklar, M.
Dr Kasper Peeters firstname.lastname@example.org
Dr Marija Zamaklar email@example.com
We review aspects of loop quantum gravity in a pedagogical manner, with the aim of enabling a precise but critical assessment of its achievements so far. We emphasize that the off-shell ('strong') closure of the constraint algebra is a crucial test of quantum spacetime covariance, and thereby of the consistency, of the theory. Special attention is paid to the appearance of a large number of ambiguities, in particular in the formulation of the Hamiltonian constraint. Developing suitable approximation methods to establish a connection with classical gravity on the one hand, and with the physics of elementary particles on the other, remains a major challenge.
Nicolai, H., Peeters, K., & Zamaklar, M. (2005). Loop quantum gravity: An Outside view. Classical and Quantum Gravity, 22(19), 193-247. https://doi.org/10.1088/0264-9381/22/19/r01
|Journal Article Type||Article|
|Deposit Date||Apr 27, 2007|
|Journal||Classical and Quantum Gravity|
|Peer Reviewed||Peer Reviewed|
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