Cosmological constant in spinfoam cosmology

Eugenio Bianchi; Thomas Krajewski; Carlo Rovelli; Francesca Vidotto

doi:10.1103/PhysRevD.83.104015

Cosmological constant in spinfoam cosmology

Eugenio Bianchi, Thomas Krajewski, Carlo Rovelli, Francesca Vidotto

Research output: Contribution to journal › Article › peer-review

35 Scopus citations

Abstract

We consider a simple modification of the amplitude defining the dynamics of loop quantum gravity, corresponding to the introduction of the cosmological constant, and possibly related to the SL(2,C)_q extension of the theory recently considered by Fairbairn-Meusburger and Han. We show that, in the context of spinfoam cosmology, this modification yields the de Sitter cosmological solution.

Original language	English (US)
Article number	104015
Journal	Physical Review D - Particles, Fields, Gravitation and Cosmology
Volume	83
Issue number	10
DOIs	https://doi.org/10.1103/PhysRevD.83.104015
State	Published - May 5 2011

All Science Journal Classification (ASJC) codes

Nuclear and High Energy Physics
Physics and Astronomy (miscellaneous)

Access to Document

10.1103/PhysRevD.83.104015

Cite this

@article{9efb14d9147b4bf296680e91bfe54e5c,

title = "Cosmological constant in spinfoam cosmology",

abstract = "We consider a simple modification of the amplitude defining the dynamics of loop quantum gravity, corresponding to the introduction of the cosmological constant, and possibly related to the SL(2,C)q extension of the theory recently considered by Fairbairn-Meusburger and Han. We show that, in the context of spinfoam cosmology, this modification yields the de Sitter cosmological solution.",

author = "Eugenio Bianchi and Thomas Krajewski and Carlo Rovelli and Francesca Vidotto",

year = "2011",

month = may,

day = "5",

doi = "10.1103/PhysRevD.83.104015",

language = "English (US)",

volume = "83",

journal = "Physical Review D - Particles, Fields, Gravitation and Cosmology",

issn = "1550-7998",

number = "10",

}

TY - JOUR

T1 - Cosmological constant in spinfoam cosmology

AU - Bianchi, Eugenio

AU - Krajewski, Thomas

AU - Rovelli, Carlo

AU - Vidotto, Francesca

PY - 2011/5/5

Y1 - 2011/5/5

N2 - We consider a simple modification of the amplitude defining the dynamics of loop quantum gravity, corresponding to the introduction of the cosmological constant, and possibly related to the SL(2,C)q extension of the theory recently considered by Fairbairn-Meusburger and Han. We show that, in the context of spinfoam cosmology, this modification yields the de Sitter cosmological solution.

AB - We consider a simple modification of the amplitude defining the dynamics of loop quantum gravity, corresponding to the introduction of the cosmological constant, and possibly related to the SL(2,C)q extension of the theory recently considered by Fairbairn-Meusburger and Han. We show that, in the context of spinfoam cosmology, this modification yields the de Sitter cosmological solution.

UR - http://www.scopus.com/inward/record.url?scp=79960810579&partnerID=8YFLogxK

UR - http://www.scopus.com/inward/citedby.url?scp=79960810579&partnerID=8YFLogxK

U2 - 10.1103/PhysRevD.83.104015

DO - 10.1103/PhysRevD.83.104015

M3 - Article

AN - SCOPUS:79960810579

SN - 1550-7998

VL - 83

JO - Physical Review D - Particles, Fields, Gravitation and Cosmology

JF - Physical Review D - Particles, Fields, Gravitation and Cosmology

IS - 10

M1 - 104015

ER -

Cosmological constant in spinfoam cosmology

Abstract

All Science Journal Classification (ASJC) codes

Access to Document

Other files and links

Fingerprint

Cite this