Models in Canonical Quantum Gravity  

Few Degrees of Freedom > see FRW models; minisuperspace; quantum black holes.

Spherical Symmetry > s.a. holography; loop quantum gravity; quantum black holes; spherical symmetry.
@ General references: Loustó & Mazzitelli IJMPA(91); Greensite IJMPA(91); Carlip & Teitelboim CQG(95)gq [black holes, opening angle at the horizon]; Hollmann gq/96 [as sigma-model]; Kenmoku G&C(99).
@ Connection representation: Thiemann & Kastrup NPB(93)gq; Thiemann in(94)gq/99 [+ Maxwell field]; Bojowald CQG(04)gq [states and operators]; Bojowald & Swiderski CQG(04)gq [volume operator], CQG(06)gq/05 [Hamiltonian constraint]; Bojowald PRL(05)gq [absence of singularities]; Campiglia et al CQG(07)gq, a0712-in; Gambini & Pullin a0805 [Schwarzschild black holes].
@ With matter shells: Hájícek et al PRD(92) [collapse as Coulomb problem]; Berezin et al PRD(98)gq/97 [dust shells, black holes and wormholes]; Hájícek NPB(01)ht/00 [null shell, group quantization]; Ambrus & Hájícek PRD(05)gq [null dust].
@ With other matter: Thiemann IJMPD(94)gq/99, NPB(95)gq/99 [lqg + electromagnetism + cosmological constant]; Pinheiro & Khanna ht/00 [scalar]; Vaz et al PRD(01) [dust collapse]; Husain & Winkler PRD(05)gq [black hole + scalar].

Other Midisuperspace > s.a. gowdy spacetimes.
* Idea: Restrict the size of superspace with symmetries, but still allow infinitely many degrees of freedom and get a field theory.
@ Models: Husain & Pullin MPLA(90) [one Killing vector field, connection and loop representations]; Torre IJTP(99)gq/98-in [general theory]; Beetle ATMP(98)gq [toroidal]; Brodbeck & Zagermann CQG(00)gq/99 [in self-dual representation].
@ Plane waves: Berger & Matsuki PRD(89); Ashtekar & Pierri JMP(96)gq; Neville PRD(97), PRD(97) [connection representation]; Mena & Montejo PRD(98)gq, PRD(00)gq/99; Barbero et al PRD(04)gq [Fock spaces].
@ Cylindrical: Kuchar PRD(71); Mena PRD(96)gq/95; Korotkin & Samtleben PRL(98)gq/97; Cruz et al PLB(98)gq; Varadarajan CQG(00)gq/99; Niedermaier & Samtleben NPB(00)ht/99; Angulo & Mena IJMPD(00)gq; Barbero et al PRD(03)gq [t]; Cho & Varadarajan CQG(06); Varadarajan IJMPD(06).
@ Cylindrical + matter: Barbero et al PRL(05)gq, PRD(06)gq [massless scalar].
@ Stationary axisymmetric: Korotkin & Nikolai PRL(95)ht/94.

Other Types of Metrics > s.a. connection representation; quantum black holes.
@ Perturbations: Vaz et al PRD(03) [around a black hole, thermal bath].
@ Degenerate metrics: Bojowald CQG(06)gq/05 [lqg].


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