|  Quantum-Gravity Phenomenology: Cosmology | 
In General
  > s.a. general relativistic cosmology [varying c,
  G]; gravitational phenomenology; quantum
  cosmology; semiclassical cosmology.
  @ Observable effects of quantum gravity: Bojowald & Morales LNP(04)gq/03 [lqg];
    Bojowald JPCS(05)gq [early universe],
    AIP(07)gq;
    Szydłowski et al PRD(08)-a0706 [weak bounds, indistinguishable from Λ-CDM];
    Amelino-Camelia & Kowalski-Gilkman ed-05
      [r CQG(07)];
    Marcianò et al JCAP(10)-a1004 [interplay between curvature and Planck-scale effects];
    Bojowald NPA(11)-a1109 [in the very early universe];
    Fabris et al IJMPA(12)-a1203-proc;
    Blasco et al CJP(15)-a1501 [echoes of the early universe];
    Liu et al EPJC(16)-a1607 [consequences of quantum metric fluctuations];
    Barrau CRP(17)-a1705 [overview];
    Calcagni et al PLB(19)-a1904 [luminosity distance scaling for gravitational waves];
    Freidel et al a2104 [in the infrared].
  @ Perturbations: Ashtekar & Gupt CQG(17)-a1608
    & CQG+ [perturbation spectrum and correlations];
    Agulló et al CQG(17)-a1611 [effect of large fluctuations of quantum geometry];
    Gielen & Oriti a1709;
    > s.a. cosmological perturbations.
  @ Cosmic microwave background: Gratton et al PRD(00)ap/99;
    Di Stefano et al ap/01/ApJ;
    Elgarøy & Hannestad PRD(03)ap [not much effect];
    Tsujikawa et al CQG(04)ap/03 [lqg];
    Hamada & Yukawa MPLA(05)ap/04;
    Easther et al JCAP(05)ap/04;
    Calcagni a1709-proc [modulation pattern];
    Calmet et al EPJC(19)-a1903;
    Melia EPJC(19)-a1905 [cutoff in the in the cmb fluctuation spectrum];
    Ashtekar et al a2001;
    > s.a. cmb, cmb anisotropy
      and polarization; gravitons.
  @ Cosmological fields:
    Martin & Brandenberger ap/00-MG9;
    Casadio & Mersini IJMPA(04)ht/02 [cmb vs black holes];
    Hogan FdP(02)ap [quantum gravity galactic effects],
    ap/02-conf [fluctuations in inflation].
  @ Inflation / acceleration of expansion: Coule CQG(95)gq/94 [canonical measure];
    Lemos et al PRD(03) [de Broglie-Bohm, chaotic dynamics];
    Barboza & Lemos PRD(08);
    Afshordi a1003
      [cosmic acceleration and quantum corrections to black-hole entropy];
    Biswas IJMPD(13)-a1308-GRF [pre-inflationary phase];
    Calmet & Sanz PLB(14)-a1403;
    Calcagni et al JPCS(15)-a1503 [and observations];
    Hartle & Hertog PRD-a1604 [predictions for local observations];
    Perez & Sudarsky PRL(19)-a1711,
      GRG(21)-a1911 [dark energy from discreteness];
    de Cesare a1804-PhD;
    > s.a. inflation and planck-scale physics.
  @ Lqg and inflation: Bojowald PRL(02);
    Tsujikawa et al CQG(04)ap/03 [and cmb];
    Bojowald et al PRD(04);
    Alexander et al PRD(04) [Kodama state];
    Lidsey et al PRD(04) [and oscillations];
    Date & Hossain PRL(05) [genericness];
    Nunes PRD(05) [graceful entrance];
    Grain et al PRD(09)-a0902 [inverse-volume corrections to tensor power spectrum];
    Herrera PRD(10) [warm inflationary model];
    news sa(13)jan [lqc and perturbation predictions];
    Bojowald CR(15)-a1509 [rev];
    Wilson-Ewing CRP(17)-a1612;
    > s.a. lqc.
  @ Expansion:
    Moffat hp/01,
    hp/01 [cosmological constant];
    Holdom PRD(02)ht [fluctuations act like dark energy];
    Kempf gq/02-IAP [and lP structure];
    Reuter & Weyer JCAP(04)ht [from renormalization effects];
    Corvino & Montani MPLA(04) [fluctuations act like dark matter];
    Fröb CQG(19)-a1806
      [one-loop quantum gravitational backreaction on the local Hubble rate];
    Singh MPLA-a1911 [and dark energy].
  > Effects on FLRW cosmology: see
    friedmann equation [corrections]; FLRW quantum cosmology;
    inflationary phenomenology.
  > Related topics:
    see cosmic acceleration; dark energy;
    dark matter; early-universe baryogenesis;
    GUP phenomenology.
Cosmological Singularity Avoidance
  > s.a. geometry phenomenology [other singularities]; matter
  phenomenology [from collapse]; minisuperspace.
  @ General references: Demaret Nat(79)jan;
    de Barros & Pinto NPPS(97)gq/96 [causal interpretation];
    Husain & Winkler PRD(04)gq/03;
    Esposito et al JPA(06)ht/05-conf [boundary conditions on Euclidean 4-ball];
    Biswas et al JCAP(07)ht/06 [and string gas];
    Kamenshchik et al PRD(07)-a0705 [future big break singularity];
    Oliveira-Neto et al PLA(09)-a0708 [curvature scalars and pilot-wave interpretation];
    Elizalde & Haro JPA(09) [with perfect fluid];
    Letelier & Pitelli PRD(10)-a1008;
    Kamenshchik CQG(13)-a1307 [late-time singularities, rev];
    Gorji et al PRD(14)-a1403 [from Snyder non-commutative space];
    Sakellariadou JPCS(17)-a1703 [three models];
    Gryb & Thébault PLB(18)-a1801 [cosmological constant superpositions];
    Pithis a1903-PhD [lqg and group field theory];
    Piechocki a2006 [BKL, short];
    Silva PRD-a2008
      [AdS/cft conjecture as bridge between string theory and lqg];
    > s.a. cosmology [big rip]; FLRW models.
  @ Avoidance, Wheeler-DeWitt equation:
    Steiner & Wöhr a1001;
    Faizal IJMPA(14)
      [deformed canonical commutation relations].
  @ Avoidance, in lqg / lqc: Brunnemann & Thiemann CQG(06)gq/05,
    CQG(06)gq/05;
    Ashtekar et al PRL(06)gq [big bang];
    Bojowald & Kagan CQG(06)gq [with non-minimal scalar];
    Sami et al PRD(06) [future];
    Date a0704-conf [rev];
    Bojowald PRS(08)-a0710 [pre-big bang fluctuations];
    Corichi & Singh PRD(09)-a0905 [geometric perspective];
    de Haro JCAP(12);
    Kreienbühl & Pawlowski PRD(13)-a1302 [FLRW model polymer quantum matter];
    Rovelli & Vidotto PRL(13) [spin-foam argument, maximal acceleration];
    Liegener & Singh CQG(20)-a1906 [gauge-invariant treatment].
  @ Inhomogeneous models: Tarrío et al PRD(13)-a1310 [Gowdy models].
  @ Observational consequences of bounce: Mielczarek et al JCAP(10)-a1005;
    Garay et al PRD(14)-a1308 [background quantum noise].
  > Specific models:
    see bianchi-I quantum cosmology; Big Freeze;
    discrete models; FLRW models;
    gowdy spacetimes.
And the Cosmological Constant
  > s.a. cosmological constant; 2D quantum gravity.
  * Wormholes and the Hartle-Hawking proposal:
    Gives a probability distribution f(Λ)
    ~ exp[exp(3πe2/Λ + ...)], sharply peaked at Λ = 0.
  @ In Lorentzian quantum gravity:
    Cline PLB(89) [wormholes];
    Farhi PLB(89);
    Strominger NPB(89);
    Kawai & Okada IJMPA(12)-a1104 [and the multiverse].
  @ In perturbative quantum gravity:
    Moffat ap/96,
    ap/96 [non-equilibrium quantum fluctuations],
    hp/01,
    hp/01.
  @ And quantum field theory:
    Kosower MPLA(89);
    Taylor & Veneziano NPB(90);
    Shapiro & Solà JHEP(02)ht/00,
    NPPB(04)hp/03,
    et al PLB(03)ap [renormalization, scale dependence].
  @ And third quantization:
    Rubakov PLB(88);
    Fischler et al NPB(89);
    Cline NPB(90).
  @ And wormholes: Coleman NPB(88),
    & Lee PLB(89);
    Fischler & Susskind PLB(89);
    Giddings & Strominger NPB(89);
    Klebanov et al NPB(89);
    Polchinsky NPB(89);
    Preskill NPB(89);
    Unruh PRD(89);
    Veneziano MPLA(89);
    Elizalde & Gaztañaga PLB(90);
    Fukuyama & Morikawa CQG(90);
    Giddings IJMPA(90);
    Loll et al NPB(06)ht/05 [causal dynamical triangulations];
    Kirillov & Savelova JAp(13)-a1006,
    G&C(13).
  @ Related topics:
    Wudka PRD(87) [quantized];
    Greensite PLB(92) [stochastic quantization];
    Carlip PRL(97)gq,
    CQG(98)gq/97 [density of topologies, Euclidean foam];
    Gambini & Pullin PLB(98)gq [lqg];
    Padmanabhan CQG(02)gq [small cosmological constant];
    Jejjala et al PLB(03)ht/02;
    Alexander PLB(05)ht [relaxation, theta sector and Peccei-Quinn like mechanism];
    Wang & Unruh a1904;
> s.a. anomalies.
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