Tuning, ergodicity, equilibrium, and cosmology

Albrecht, Andreas

doi:10.1103/PhysRevD.91.103510

Title: Tuning, ergodicity, equilibrium, and cosmology

Full Record
Other Related Research

Authors:: Albrecht, Andreas

Publication Date:: Wed May 13 00:00:00 EDT 2015

Sponsoring Org.:: USDOE

OSTI Identifier:: 1179743

Grant/Contract Number:: FG02-91ER40674; FG03-91ER40674

Resource Type:: Publisher's Accepted Manuscript

Journal Name:: Physical Review D

Additional Journal Information:: Journal Name: Physical Review D Journal Volume: 91 Journal Issue: 10; Journal ID: ISSN 1550-7998

Publisher:: American Physical Society

Country of Publication:: United States

Language:: English

Citation Formats


                    Albrecht, Andreas. Tuning, ergodicity, equilibrium, and cosmology.  United States: N. p., 2015. 
Web.  doi:10.1103/PhysRevD.91.103510.

Copy to clipboard


                    Albrecht, Andreas. Tuning, ergodicity, equilibrium, and cosmology.  United States.  https://doi.org/10.1103/PhysRevD.91.103510

Copy to clipboard


                    Albrecht, Andreas. Wed .  
"Tuning, ergodicity, equilibrium, and cosmology".  United States.  https://doi.org/10.1103/PhysRevD.91.103510.

Copy to clipboard


                    
@article{osti_1179743,

  title        = {Tuning, ergodicity, equilibrium, and cosmology},

  author       = {Albrecht, Andreas},

  abstractNote = {},

  doi          = {10.1103/PhysRevD.91.103510},

  journal      = {Physical Review D},

  number       = 10,

  volume       = 91,

  place        = {United States},

  year         = {Wed May 13 00:00:00 EDT 2015},

  month        = {Wed May 13 00:00:00 EDT 2015}

}

Copy to clipboard

Journal Article:

Free Publicly Available Full Text

Accepted Manuscript (Publisher)

Publisher's Version of Record
https://doi.org/10.1103/PhysRevD.91.103510

Other availability

Search WorldCat to find libraries that may hold this journal

Citation Metrics:

Cited by: 6 works

Citation information provided by
Web of Science

Save / Share:

Export Metadata

Save to My Library

Similar Records in DOE PAGES and OSTI.GOV collections:

Vacuum energy sequestering: The framework and its cosmological consequences

Journal Article Kaloper, Nemanja ; Padilla, Antonio - Physical Review D
Cited by 70
https://doi.org/10.1103/PhysRevD.90.084023
Spacetime Foam and the Cosmological Constant

Journal Article Carlip, S - Physical Review Letters

In the saddle point approximation, the Euclidean path integral for quantum gravity closely resembles a thermodynamic partition function, with the cosmological constant {Lambda} playing the role of temperature and the {open_quotes}density of topologies{close_quotes} acting as an effective density of states. For {Lambda}{lt}0 , the density of topologies grows superexponentially, and the sum over topologies diverges. In thermodynamics, such a divergence can signal the existence of a maximum temperature. The same may be true in quantum gravity: the effective cosmological constant may be driven to zero by a rapid rise in the density of topologies. {copyright} {ital 1997} {ital The Americanmore » Physical Society}« less
https://doi.org/10.1103/PhysRevLett.79.4071
Equilibration of a quantum field in de Sitter space-time

Journal Article Albrecht, Andreas ; Holman, R. ; Richard, Benoit J. - Physical Review D
Cited by 6
https://doi.org/10.1103/PhysRevD.91.043517
How to hide a cosmological constant

Journal Article Carlip, Steven - International Journal of Modern Physics D

Naive calculations in quantum field theory suggest that vacuum fluctuations should induce an enormous cosmological constant. Furthermore, what if these estimates are right? I argue that even a huge cosmological constant might be hidden in Planck-scale fluctuations of geometry and topology — what Wheeler called “spacetime foam” — while remaining virtually invisible macroscopically.
Cited by 1
https://doi.org/10.1142/S0218271819430041

Full Text Available
Hiding the Cosmological Constant

Journal Article Carlip, S. - Physical Review Letters

Perhaps standard effective field theory arguments are right, and vacuum fluctuations really do generate a huge cosmological constant. I show that if one does not assume homogeneity and an arrow of time at the Planck scale, a very large class of general relativistic initial data exhibit expansions, shears, and curvatures that are enormous at small scales, but quickly average to zero macroscopically. Subsequent evolution is more complex, but I argue that quantum fluctuations may preserve these properties. The resulting picture is a version of Wheeler’s “spacetime foam,” in which the cosmological constant produces high curvature at the Planck scale butmore »« less
Cited by 37
https://doi.org/10.1103/PhysRevLett.123.131302

Similar Records