In General > see BF theory; clifford
algebra; gravity; modified
general relativity [strong coupling]; newton-cartan; Non-Symmetric
Gravity.
@ Modified dynamics: Smolin CQG(92) [G → 0];
Wang gq/05-in
[conformally symmetric]; Broda et al PLB(07)
[abelian theory].
@ Other dimensions: Bjerrum-Bohr NPB(04)ht/03 [D →
];
Nieto
a0704 [8D, background-independent
Kaluza-Klein à la lqg]; > s.a. 2D and 3D
quantum gravity, regge
calculus.
Linearized Gravity > s.a. [perturbations]; canonical and covariant
quantum gravity.
@ Approaches: Ashtekar et al PRD(91) [lqg]; Grigore CQG(00)ht/99;
Shojai & Shojai PS(03)gq [Bohmian
approach]; Quevedo & Tafoya GRG(05)gq/04 [deformation];
Bomstad & Klauder CQG(06)gq [projection
operator].
@ Ground state: Kuchar JMP(70)
[canonical];
Hartle PRD(84)
[Euclidean path integral].
@ Gravitons: Varadarajan PRD(02)gq [loop
and Fock
space]; Speziale JHEP(06)gq/05 [2-point
function from spin foam, 3D model]; > s.a. quantum
field theory
in curved spacetime [graviton].
@ Around FRW backgrounds: Ford & Parker PRD(77);
Bojowald et al a0806 [in lqg].
@ Related topics: Moncrief GRG(79)
[linearization instabilities]; > s.a. quantum
regge calculus.
Higher-Order Theories > s.a. classical
higher-order theories; covariant
quantum gravity [stability of Minkowski].
* Results: It is renormalizable
and asymptotically free [@ Tomboulis], but nonunitary (due to quartic
terms
in R2 that give ghosts
in the propagators) and with H unbounded below [@ Stelle, etc].
@ General references: Mazzitelli PRD(92),
Tomboulis PLB(96)ht [relationship
with general relativity, and renormalization]; Asorey et al IJMPA(97);
Mielke a0707 [topological
action].
@ Renormalizability: Utiyama & DeWitt JMP(62);
Stelle PRD(77);
de
Berredo-Peixoto & Shapiro PRD(05)ht/04 [Gauss-Bonnet
term, 4–
]; >
s.a. renormalization of quantum gravity [UV fixed points].
@ Around de Sitter: Cognola et al JCAP(05)ht,
Cognola & Zerbini JPA(06)in
[one-loop covariant f(R)
gravity].
@ In quantum cosmology: Hawking & Luttrell NPB(84);
van Elst et al
CQG(94)gq [R + R3 action];
Pimentel et al CQG(97)
[pure R2 action];
Davis
GRG(00)
[string-motivated]; Fabris & Reuter GRG(00);
Sanyal & Modak PRD(01)gq,
CQG(02)gq/01 [R + R2 action];
Shojai & Shojai a0801-GRG [spatially flat].
@ FRW minisuperspace: Sanyal PLB(02)gq [Schrödinger
equation
and interpretation].
@ Related topics: Accioly et al IJTP(00)
[propagator]; Kleidis et al PLB(02)ht [with
massive scalar].
> Related topics:
see higher-order
gravity;
path integral quantum gravity;
quantum gravity; semiclassical quantum
gravity.
Other Theories of Gravity > s.a. classical
theories of gravity; quantum cosmology [varying constants].
@ Scalar-tensor: Pimentel & Mora gq/00 [Bergmann-Wagoner
theory].
Main page – Abbreviations – Journals – Comments – Other
sites – Acknowledgements
Send feedback and suggestions to bombelli at olemiss.edu – Modified
11 jul 2008