Semiclassical Quantum Cosmology| Semiclassical Quantum Cosmology |
In General
> s.a. quantum cosmology [decoherence, effective Hamiltonian and dynamics];
semiclassical quantum gravity [continuum limit].
* Idea: The sector of a quantum theory
of gravity containing states with a semiclassical interpretation as cosmological models
of spacetime–this is different from semiclassical gravity in a cosmological spacetime.
@ Reviews: Kiefer gq/93-proc.
@ General references:
Sinha & Hu PRD(91)
[limits of validity of minisuperspace aproach, interacting scalar field in a closed FLRW model];
Easson et al PRD(05)ap [cosmological constraints on semiclassical quantum gravity];
Appignani & Casadio JCAP(08)-a0711 [asymptotic freedom];
Pinto-Neto PRD(09)-a0904 [emergence of large universe];
Battisti et al EPL(09)-a0905 [anisotropy suppression];
Kuzmichev & Kuzmichev APPB(09)-a0905 [near the initial singularity];
Coutant PRD(16)-a1511 [semiclassical momentum representation, vs WKB solutions];
Feldbrugge et al PRL(17)-a1705
[semi-classical description untenable for the beginning of the universe];
Aashish a2007-PhD
[corrections to scalar and tensor cosmological models].
@ Coherent states: Robles-Pérez et al PLB(10)-a0909 [in the multiverse];
Bojowald & Tsobanjan CQG(10)-a0911 [physical coherent states and effective constraints];
Magliaro et al PRD(11)-a1011 [coherent spin-network states];
Dapor & Liegener CQG(18)-a1710 [FLRW];
> s.a. semiclassical quantum gravity.
@ Time: Banks et al NPB(85);
in Unruh & Wald PRD(89);
Vilenkin PRD(89);
Brout & Parentani IJMPD(99)gq/97;
Bak et al JKPS(00)gq/99;
Anderson CQG(07)gq/06,
CQG(07)gq/06 [relational models and semiclassical WKB time];
Bojowald et al CQG(11)-a1009,
PRD(11)-a1011 [effective approach];
Chataignier ZN(19)-a1901 [and gauge fixing];
> s.a. brans-dicke theory.
@ Corrections to classical dynamics: Schuller & Wohlfarth PLB(05) [accelerating universe, R−1 term].
> Related topics: see boundary conditions
[Hartle-Hawking no-boundary proposal]; cosmological effects of quantum gravity.
FLRW Spacetimes > s.a. cosmological acceleration;
FLRW quantum cosmology; perturbations in quantum cosmology;
semiclassical quantum gravity.
@ General references: Higuchi & Wald PRD(95)gq/94 [and time];
Kim CQG(96)gq [with scalar field];
Weinstein & Akhoury ht/03,
ht/04 [de Sitter, and phenomenology];
Mulryne et al IJMPA(05)gq/04;
Tan & Ma CQG(06)gq;
Gousheh et al CQG(07)gq [wave packets];
Kreienbuehl PRD(09)-a0901 [no singularity avoidance];
Martínez-Morales a1104;
Kreienbuehl & Pawlowski PRD(13)-a1302 [singularity resolution with polymer quantum matter];
Pinamonti & Siemssen CMP(14)-a1309
[global existence of solutions, massive conformally coupled scalar field in spatially flat models];
Siemssen a1503-PhD.
@ Lqg / lqc approach: Lidsey et al PRD(04)gq,
JCAP(04)gq [cyclic / oscillations, inflation];
Singh & Vandersloot PRD(05)gq;
Sen PRD(06)gq [with tachyon matter];
Ding et al PRL(09)-a0808;
Pedram PLB(09)-a0811 [with conformally coupled scalar];
Bianchi et al PRD(10)-a1003 [from spin foams];
Ashtekar et al PRD(10)-a1011 [WKB approximation];
Corichi & Montoya IJMPD(12)-a1105,
PRD(11)-a1105 [k = 0 FRLW models];
Mielczarek & Piechocki PRD(12)-a1108 [Gaussian state, quantum memory];
Dapor & Liegener PLB(18)-a1706 [effective dynamics for coherent states from the full theory];
Martín-Benito & Neves PRD(19)-a1901 [domain of the volume observable].
@ Inflation: Vereshchagin JCAP(04)gq,
NCB(07);
Lidsey et al PRD(04)gq,
Mulryne et al PRD(05)ap [lqg, oscillations];
Alberghi et al PRD(08)-a0708
[massless scalar in de Sitter, dispersion relations from Born-Oppenheimer approximation];
Hassan et al PRD(15)-a1409 [polymer-quantized scalar field];
Husain & Singh PRD(19)-a1811 [inflation is very likely to occur and is eternal];
> s.a. inflationary models.
@ Emergence of classical spacetime: Kim CQG(96)gq [with massive scalar, coherent states];
John G&C(15)-a1405 [exact quantum-classical correspondence];
Hartle & Hertog PRD(15)-a1502 [bounces and quantum transitions between classical histories];
Jalalzadeh et al a2001
[k = 1, conformally coupled scalar field];
Berjon et al a2009 [critique of prevailing explanations].
@ And classical chaos: Cornish & Shellard PRL(98)gq/97 [with massive scalar].
@ Modified Friedmann equation: Maziashvili PRD(05)gq/04;
Husain & Winkler PRD(07)gq/06 [polymer-like, semiclassical];
Singh et al PRD(06) [lqg, critical density and bounce];
Pitelli & Letelier GRG(13)-a1107;
Jalalzadeh et al a2001 [deformation quantization];
> s.a. friedmann equation.
@ Related topics: Pollock PLB(99) [from superstring theory].
Other Spacetimes and Phenomenology
> s.a. quantum-gravity phenomenology [including stability].
@ Minisuperspace:
Minzoni et al PRD(97) [stability, coherent states];
Colistete et al PRD(98)gq/97 [large vs small scale factor].
@ Bianchi I:
Huang PRD(98)ht/02;
Bolen et al CQG(04)gq [coherent];
Malecki PRD(04)gq [lqg, inflation];
Date PRD(05)gq [pre-classical solutions];
Giovannetti et al a2105 [and polymer representation].
@ Other Bianchi models: Imponente & Montani IJMPD(03)gq/04 [chaos and semiclassical quantum gravity].
> Other models: see de sitter spacetime;
minisuperspace [including Bianchi IX]; Stephani Model.
Cosmology in Semiclassical General Relativity
@ FLRW models: Hartle PRD(81),
in(81) [+ scalar + radiaton, particle production];
Kim et al PRD(97)gq [+ scalar];
Reginatto a0908-wd,
JPCS(13)-a1312
[+ massive scalar, formalism of ensembles on configuration space];
> s.a. cosmic acceleration.
@ de Sitter space: Castagnino et al PLB(87) [graviton and topology contributions];
Isaacson & Rogers NPB(91),
Rogers & Isaacson NPB(92) [de Sitter + scalar, stability];
Busch a0803
[de Sitter + scalar, stability].
@ Bianchi I: Hartle PRD(80) [particle production and anisotropy];
Hu & Sinha PRD(95)
[fluctuation-dissipation for classical geometry with quantum matter as environment];
Huang PLB(97),
PRD(98)ht/02 [+ scalar, anisotropy];
Suresh IJTP(05)gq/03 [particle production];
Vitenti & Müller PRD(06) [numerical];
Alesci & Cianfrani PRD(15)-a1506 [in quantum reduced loop gravity].
@ Bianchi IX: Bae CQG(15)-a1406.
@ Other cosmological models: Kim PRD(97)gq/96 [and pilot-wave theory];
Suresh IJTP(04)gq/03 [oscillatory inflation, and particle production].
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