|  FLRW Quantum Cosmology | 
In General > s.a. minisuperspace; models
  in canonical quantum gravity; quantum cosmology [including third quantization].
  * Factor ordering:
    Different ones have been used for the a part of the kinetic
    term in the scalar constraint, such as, at least for k = 0,
    (a3)−1
    aπaaπa
    [Page JMP(91),
    Leclerc CQG(07)gq],
    a−1/4 πa
    a−1/2 πa
    a−1/4
    [DeWitt PR(67)], and
    a−1/2 πa
    a−1/2 πa
    [Christodoulakis & Zanelli PLA(84)].
  @ General references:
    Kiefer NPB(90);
    Louko & Ruback CQG(91) [spatially flat];
    Perlt & Pohle PLB(91);
    Dalarsson MPLA(95);
    Mallett CQG(95);
    Pollock IJMPD(96) [open universe and causality horizon];
    Hossain CQG(04)gq/03 [Hubble operator];
    Glinka NAP-a0711 [many-particles approach];
    Gerhardt CQG(09)-a0806;
    Barvinsky JCAP(11)-a1012 [path integral];
    Wetterich PRD(17)-a1603 [correlation function for the metric];
    Gerhardt Symm(19)-a1908 [results from canonical quantum gravity].
  @ Factor-ordering ambiguity: 
    Steigl & Hinterleitner CQG(06)gq/05;
    Demaerel & Struyve a1904 [and singularity avoidance].
  @ Wheeler-DeWitt equation: Hartle et al JCAP(14)-a1207 [inflation with Λ < 0];
    Vieira & Bezerra PRD(16)-a1603 [solutions].
  @ Histories approach:
    Anastopoulos & Savvidou CQG(05)gq/04;
    Craig & Singh PRD(10)-a1006 [+ scalar, Wheeler-DeWitt quantization, decoherence functional].
  @ With gup: Battisti & Montani PLB(07)gq,
    AIP(08)-a0709,
    IJMPA(08)-a0802 [minimal length];
    Farag Ali & Majumder CQG(14)-a1402 [minimal length and maximal energy].
  @ Affine quantization: Fanuel & Zonetti EPL(13)-a1303,
    Bergeron et al PRD(14)-a1305 [singularity avoidance].
  @ Singularity avoidance: Padmanabhan PRD(83) [conformal factor as degree of freedom];
    Lemos CQG(91) [FLRW model + dust],
    PRD(96)
      [k = 0 FLRW metric + m = 0 scalar];
    Kim PLA(97)gq [with massless scalar, de Broglie-Bohm];
    Bojowald PRL(01)gq;
    Husain & Winkler PRD(04)gq/03;
    Pinto-Neto et al PRD(12) [Wheeler-DeWitt quantization];
    Bouhmadi-López et al PRD(14)-a1312 [type-IV singularities];
    Donoghue & El-Menoufi PRD(14)-a1402 [non-localities from quantum loops of massless particles];
    Falciano et al PRD(15)-a1501 [in the Bohmian approach to WDW quantization];
    > s.a. semiclassical cosmology.
  @ Time evolution: Feinberg & Peleg PRD(95)gq [scalar, and Wheeler-DeWitt operator];
    Hinterleitner CQG(02) [dust-filled];
    Battisti & Montani NCB(07)gq [evolutionary quantization];
    Roser & Valentini CQG(14)-a1406 [in York time].
  > Related topics: see
    boundary conditions in quantum cosmology [tunneling].
Loop / Connection Representation (LQC, LQG)  > s.a. lqc models [including bounce];
  inflationary models; semiclassical cosmology.
  @ General references: Barbero & Ryan PRD(96)gq/95;
    Chakraborty GRG(97);
    Bojowald CQG(00)gq/99,
    CQG(00)gq/99,
    CQG(01)gq/00,
    CQG(01)gq/00,
    PRL(01)gq [initial conditions],
    CQG(02)gq,
    CQG(02)gq,
    GRG(03)gq;
    Chakraborty & Chakraborty NCB(00);
    Hinterleitner CQG(01);
    Ashtekar et al ATMP(03)gq;
    Bojowald & Morales-Técotl LNP(04)gq/03;
    Hossain CQG(05)gq [energy conditions and stability];
    Mielczarek & Szydłowski PRD(08)-a0801 [corrections];
    Chattopadhyay et al a1403;
    Kisielowski CQG(20)-a1911 [new approach].
  @ k = −1 model: Vandersloot PRD(07)gq/06;
    Szulc CQG(07)-a0707 [with Λ < 0];
    Singh & Vidotto PRD(11)-a1012 [k = ±1 and exotic singularities].
  @ k = 0 model: Kamiński & Lewandowski CQG(08)-a0709 [with massless scalar];
    Broda PRL(11) [with radiation];
    Livine & Martín-Benito PRD(12)-a1204 [group-theoretical quantization];
    Fernández-Méndez et al PRD(14)-a1401 [and perturbations].
  @ k = 0 model with Λ > 0:
    Kamiński & Pawłowski PRD(10)-a0912;
    Mielczarek & Piechocki PRD(10)-a1001 [observables],
    PRD(11)-a1011 [quantum of volume].
  @ k = +1 model: Singh & Toporensky PRD(04)gq/03 [singularity avoidance];
    Szulc et al CQG(07)gq/06;
    Ashtekar et al PRD(07)gq/06;
    Corichi & Karami PRD(11)-a1105;
    Corichi & Karami CQG(14)-a1307 [effects of inverse volume corrections];
    Dupuy & Singh a1608 [quantization ambiguities].
  @ With matter: Xiong & Zhu PRD(07)gq [tachyon];
    Wei & Zhang PRD(07)-a0705 [quintom and h-essence energies];
    Nelson & Sakellariadou PRD(07)-a0706,
    PRD(07) [lattice refinement];
    Pawlowski et PRD(14)-a1404 [Maxwell field, radiation-dominated];
    > s.a. Phantom Field.
  @ Effective dynamics: Date & Hossain CQG(04)gq [effective H];
    Banerjee & Date CQG(05)gq [and discreteness];
    Mielczarek et al JCAP(09)-a0906 [closed FLRW + scalar field + Λ];
    Qin et al GRG(13)
      [with scalar field, effective Hamiltonian from path-integral formulation];
    Diener et al CQG(14)-a1402 [lqc, bounce, numerical simulations];
    Bojowald & Simpson CQG(14)-a1403 [factor-ordering ambiguities];
    > s.a. higher-order gravity.
  @ Related topics: Mora gq/00 [quantum-gravity effects as inflaton];
    Sami et al PRD(06)gq [future singularity];
    Bianchi et al PRD(10) [spin-foam approach];
    Vidotto CQG(11)-a1107 [many-nodes/many-links spin foam];
    > s.a. first-order actions [Plebański form].
Various Types of Matter
  @ Scalar: Blyth & Isham PRD(75);
    Page JMP(91) [minimal vs conformal coupling];
    Mena Marugán CQG(94)gq,
    PRD(94)gq [wormhole bases];
    Embacher NPB(96)gq [massive];
    Mostafazadeh JMP(98)gq/96;
    Błaut & Kowalski-Glikman PLB(97)gq [massless];
    Gurovich et al GRG(01)gq/00;
    Mostafazadeh AP(04)gq/03,
    CzJP(04)gq/03 [interpretation];
    Ita CQG(08)gq/07;
    Almeida et al G&C(15)-a1501 [unitarity];
    Husain & Qureshi PRL(16)-a1508 [time, cosmological constant and vacuum energy];
    Gielen & Turok PRL(16)-a1510
    + news ns(16)jul [and radiation, bounce];
    Kaya a1901;
    Damour & Vilenkin PRD-a1907 [oscillating, quantum instability];
    > s.a. path-integral quantum gravity.
  @ Scalar, lqg: Bojowald & Hinterleitner PRD(02)gq [massless];
    Alexander et al PRD(04)ht/03 [inflation];
    Hinterleitner & Major PRD(03)gq [Lorentzian];
    Green & Unruh PRD(04)gq [massless];
    Ashtekar et al PRL(06),
    PRD(06)gq,
    PRD(07);
    Bojowald & Kagan PRD(06)gq [non-minimal, and inflation];
    Taveras PRD(08)-a0708 [using semiclassical states of the full theory];
    Martín-Benito et al PRD(09)-a0909;
    > s.a. semiclassical cosmology.
  @ Scalar, polymer quantization: Mena et al PRD(11)-a1108 [various prescriptions];
    Mantero et al a1806 [semiclassical];
    Mandini et al a2006 [and lqc].
  @ Scalar + other: Christodoulakis & Zanelli PLA(84) [+ fermion];
    De Lorenci et al PRD(97)gq [+ dust];
    Khvedelidze & Palii CQG(01)gq [+ spinor];
    Paliathanasis & Vakili GRG(16)-a1512 [+ vector].
  @ Dust: Pinto-Neto et al PLA(05)gq [+ radiation];
    Amemiya & Koike PRD(09)-a0910 [gauge-invariant, relational observables];
    Ali et al a1811
      [and cosmological constant, Path Integral Monte Carlo approach];
    Demaerel et al a1901.
  @ Radiation + cosmological constant: Monerat et al PRD(06)gq/05 [Λ < 0];
    Maydanyuk et al a1301 [Λ > 0];
    Kuzmichev & Kuzmichev APPB(13)-a1307 [+ scalar field].
  @ Other fluid: Ortiz et al PLA(05) [pfluid + supersymmetric matter];
    Małkiewicz a1008 [fluid];
    Letelier & Pitelli PRD(10)-a1010 [n-dimensional];
    Oliveira-Neto et al IJTP(13) [stiffluid and cosmological contant];
    Rashki & Jalalzadeh GRG(17)-a1612 [Weyl-Wigner-Groenewold-Moyal deformation quantization].
  @ Chaplygin gas: Pedram et al IJTP(07)-a0705;
    Pedram & Jalalzadeh GRG(10) [with cosmological constant].
  @ Other matter:
    Isham & Nelson PRD(74) [fermions];
    Moniz CQG(02) [non-Abelian Born-Infeld];
    Dąbrowski et al PRD(06)ht [phantom field];
    Glinka G&C(09)-gq/06;
    Gerhardt CQG(09)-a0903 [massive Yang-Mills field];
Gerhardt CQG(10)-a0907 [Yang-Mills field].
In Other Theories of Gravity
  @ References: Garattini a1512-MG14
      [distorted general relativity – Gravity's Rainbow, Varying Speed of Light Cosmology,
      Generalized Uncertainty Principle deformations and Hořava-Lifshitz gravity];
    Paliathanasis et al PRD(16)-a1511 [Brans-Dicke theory, with a perfect fluid];
    > s.a. modified theories of quantum gravity;
      non-commutative cosmology; quantum cosmology.
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