Dark
Energy| Dark
Energy |
In General > s.a. cosmological
constant and models;
cosmology [future]; varying
constants.
* Idea: A component of
the content
of the universe with negative pressure, which accelerates its expansion; May
be a cosmological contant or may be dynamical; The name seems to have been
introduced by M Turner.
* Status: 2003, Various
methods give –1.22 < w < –0.78 at 95% c.l.; 2004–2005,
Analysis still favors a cosmological constant – other models give as good
a fit, but are not
as simple (1-parameter) or physically motivated – with quintessence a second
possibility; 2006, Evidence from Brad Schaefer's analysis of distant GRBs that
it may be changing; 2006, Evidence from supernovas at z = 1 consistent
with constant
dark energy; 2007, Supernova survey gives w = –1.07 (+0.09–0.09
stat, 1
sigma) (+– 0.12 sys).
* Plans: 2006, Two satellites
planned, DES (possible launch 2008–2009) and SNAP (launch after 2010).
@ References: Finelli et al PRD(07)ap/06 [light
bending]; Heavens et al MNRAS(06)ap [3D
cosmic shear]; White a0704-RPP,
response Kolb
a0708 [and astronomy]; Dobado
& Maroto a0802-in [intro]; > s.a. gas; topological
defects.
Phenomenology and Evidence > s.a. types
and equations of state.
@ Evidence: Scranton
et al ap/03/PRL
[SDSS and WMAP
analysis];
Straumann gq/03-in
[rev]; Alam et al JCAP(04)ap [dynamical];
Ishak FP(07)ap/05 [general
discussion]; Trotta & Bower A&G(06)ap [surveys,
rev]; news pw(06)nov, pw(06)nov
[distant supernovas]; Bambi PRD(07)
[Mpc-scale]; Sarkar GRG(08)-a0710 [critical
view]; Bothun et al PLB(08)
[precision observations without supernovas]; > s.a. acceleration.
@ Lab evidence and tests: Beck & Mackey PLB(05)ap/04 [proposal],
refutation Jetzer & Straumann PLB(05);
Frampton MPLA(06)ht/05 [re
possible Josephson
junction cutoff]; Corasaniti et al MNRAS(06)ap/05 [with
ALPACA]; Fassbender et al ap/06-in
[VADER mission proposal]; Phillips et al ap/06-in
[JEDI proposal]; de Matos & Beck a0707 [rotating superconductors].
@ Density: Wang & Mukherjee PRD(07)
[and cosmic curvature].
@ Distribution, and large-scale structure: Solevi et al MNRAS(06)ap/05 [from
galaxy distribution]; Wang & Freese PLB(06)
[density]; Takada PRD(06)ap [and
redshift surveys]; Martín-Moruno et al a0803 [accretion
onto black holes]; Bhattacharya & Kosowsky PRD(08)
[galaxy cluster peculiar velocities]; Blomqvist et al JCAP(08)-a0806 [inhomogeneities,
from supernova observations].
@ And perturbations:
Gordon NPPS(05)ap;
Gordon & Wands PRD(05)ap;
Polarski & Gannouji PLB(08)-a0710.
@ Structure formation: Linder & Jenkins MNRAS(03)ap; Speliotopoulos a0711.
References > s.a. acceleration [including
alternatives]; galaxies.
@ I: Turner ThSc(00)nov;
Kirshner 02; Caldwell pw(04)may;
Conselice SA(07)feb; Linder & Perlmutter pw(07)dec
[future]; Perlmutter SA(08)apr.
@ Reviews: Carroll ap/01-in;
Peebles & Ratra RMP(03);
Lima BJP(04)-ap/04;
Sahni ap/04-in
[and dark matter]; Frampton ap/04-in;
Padmanabhan CS(05)ap/04;
Linder ap/04-in, ap/05-in;
Bean et al ap/05-rp;
Weinberg ap/05-in;
Padmanabhan ap/05-in,
ap/06-in;
Barnes et al ap/05-in;
Copeland et al IJMPD(06)ht;
Straumann MPLA(06)hp;
Polarski ap/06-in;
Carroll NJP(06);
Padmanabhan a0705-GRG;
Linder AJP(08)RL-a0705;
Turner & Huterer a0706-JPSJ;
Capozziello IJGMP(07)-a0706;
Stubbs IJMPD(07)-a0712 [and
fundamental physics]; issue GRG(08)feb;
Zhao MPLA(08)
[and modified gravity].
@ And entropy, holography: Hsu
PLB(04)
[and entropy bounds]; Linder ht/04 ["dark
entropy"]; Pavón & Zimdahl ht/05-in;
Beltrán Almeida & Pereira PLB(06),
Guberina et al PLB(06),
Simpson JCAP(07)ap/06,
Pavón gq/06-in,
Zimdahl a0705 [holographic]; > s.a. entropy
bounds.
@ Physics of dark energy, particles: Amendola et al ApJL(03)ap/02 [interactions];
Böhmer & Harko FP(08)gq/06
[quanta]; DeDeo PRD(06);
Ichiki & Keum a0803 [interactios
with neutrinos].
@ Analysis, interpretation: Choudhury & Padmanabhan A&A(05)ap/03;
Gong CQG(05)ap/04;
Linder PRD(04)ap, PRD(04)ap;
Linder ap/06/PRD
[limits to z resolution]; Clarkson et al JCAP(07)
[need to include curvature as parameter]; Wang a0712 [observational approaches].
@ Other theory: Garriga & Vilenkin
PRD(03)ap/02 [and
anthropic principle]; Padmanabhan & Choudhury MNRAS(03)ap/02 [and
supernova data]; Krauss & Chaboyer
Sci(03)jan
[and globular clusters]; Huey
ap/04 [data-driven
approach]; Brevik & Gorbunova GRG(05)gq
[and viscosity]; Baccigalupi & Acquaviva ap/06-in
[and cmb lensing]; Neupane & Carter PLB(06)
[relaxation and cosmological constant]; Gong et al PRD(07)gq/06 [thermodynamics];
Durrer & Maartens GRG(08)
[overview]; Antoniadis et al NJP(07)
[dynamical screening of cosmological constant]; Pereira a0806 [negative
chemical potential].
@ Modified Friedmann equation: Dvali & Turner ap/03; > s.a. cosmological
models
in general relativity [including Cardassian].
> Related topics: see black
holes [dark energy stars]; neutrinos; spherical
solutions.
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Send feedback and suggestions to bombelli at olemiss.edu – Modified
30 jun 2008