TY - JOUR
T1 - Covariance in models of loop quantum gravity
T2 - Gowdy systems
AU - Bojowald, Martin
AU - Brahma, Suddhasattwa
N1 - Publisher Copyright:
© 2015 American Physical Society.
PY - 2015/9/3
Y1 - 2015/9/3
N2 - Recent results in the construction of anomaly-free models of loop quantum gravity have shown obstacles when local physical degrees of freedom are present. Here, a set of no-go properties is derived in polarized Gowdy models, raising the question of whether these systems can be covariant beyond a background treatment. As a side product, it is shown that normal deformations in classical polarized Gowdy models can be Abelianized.
AB - Recent results in the construction of anomaly-free models of loop quantum gravity have shown obstacles when local physical degrees of freedom are present. Here, a set of no-go properties is derived in polarized Gowdy models, raising the question of whether these systems can be covariant beyond a background treatment. As a side product, it is shown that normal deformations in classical polarized Gowdy models can be Abelianized.
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U2 - 10.1103/PhysRevD.92.065002
DO - 10.1103/PhysRevD.92.065002
M3 - Article
AN - SCOPUS:84943624979
SN - 1550-7998
VL - 92
JO - Physical Review D - Particles, Fields, Gravitation and Cosmology
JF - Physical Review D - Particles, Fields, Gravitation and Cosmology
IS - 6
M1 - 065002
ER -