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Shear-free perfect fluids with a solenoidal magnetic curvature

J Carminati, Hamid Reza Karimian UGent, Norbert Van den Bergh UGent and KT Vu (2009) CLASSICAL AND QUANTUM GRAVITY. 26(19).
abstract
We investigate shear-free perfect fluid solutions of the Einstein field equations where the fluid pressure satisfies a barotropic equation of state and the spatial divergence of the magnetic part of the Weyl tensor is zero. We prove, with the exception of certain quite restricted special cases within the class of solutions in which there exists a Killing vector aligned with the vorticity and for which the magnitude of the vorticity. is not a function of the matter density mu alone, that such a fluid is either non-rotating or non-expanding. In the restricted cases the equation of state must satisfy an over-determined differential system.
Please use this url to cite or link to this publication:
author
organization
year
type
journalArticle (original)
publication status
published
subject
keyword
general relativity, perfect fluids, HOMOGENEOUS COSMOLOGICAL MODELS, GENERAL-RELATIVITY, III SPACETIMES, EQUATIONS, CONJECTURE, PACKAGE, MAPLE, TIMES
journal title
CLASSICAL AND QUANTUM GRAVITY
Class. Quantum Gravity
volume
26
issue
19
Web of Science type
Article
Web of Science id
000270052700004
JCR category
PHYSICS, MULTIDISCIPLINARY
JCR impact factor
3.029 (2009)
JCR rank
13/71 (2009)
JCR quartile
1 (2009)
ISSN
0264-9381
DOI
10.1088/0264-9381/26/19/195002
language
English
UGent publication?
yes
classification
A1
additional info
article no. 195002 (14 p.)
copyright statement
I have transferred the copyright for this publication to the publisher
id
839505
handle
http://hdl.handle.net/1854/LU-839505
date created
2010-01-26 13:23:47
date last changed
2010-02-02 16:28:29
@article{839505,
  abstract     = {We investigate shear-free perfect fluid solutions of the Einstein field equations where the fluid pressure satisfies a barotropic equation of state and the spatial divergence of the magnetic part of the Weyl tensor is zero. We prove, with the exception of certain quite restricted special cases within the class of solutions in which there exists a Killing vector aligned with the vorticity and for which the magnitude of the vorticity. is not a function of the matter density mu alone, that such a fluid is either non-rotating or non-expanding. In the restricted cases the equation of state must satisfy an over-determined differential system.},
  author       = {Carminati, J and Karimian, Hamid Reza and Van den Bergh, Norbert and Vu, KT},
  issn         = {0264-9381},
  journal      = {CLASSICAL AND QUANTUM GRAVITY},
  keyword      = {general relativity,perfect fluids,HOMOGENEOUS COSMOLOGICAL MODELS,GENERAL-RELATIVITY,III SPACETIMES,EQUATIONS,CONJECTURE,PACKAGE,MAPLE,TIMES},
  language     = {eng},
  number       = {19},
  title        = {Shear-free perfect fluids with a solenoidal magnetic curvature},
  url          = {http://dx.doi.org/10.1088/0264-9381/26/19/195002},
  volume       = {26},
  year         = {2009},
}

Chicago
Carminati, J, Hamid Reza Karimian, Norbert Van den Bergh, and KT Vu. 2009. “Shear-free Perfect Fluids with a Solenoidal Magnetic Curvature.” Classical and Quantum Gravity 26 (19).
APA
Carminati, J., Karimian, H. R., Van den Bergh, N., & Vu, K. (2009). Shear-free perfect fluids with a solenoidal magnetic curvature. CLASSICAL AND QUANTUM GRAVITY, 26(19).
Vancouver
1.
Carminati J, Karimian HR, Van den Bergh N, Vu K. Shear-free perfect fluids with a solenoidal magnetic curvature. CLASSICAL AND QUANTUM GRAVITY. 2009;26(19).
MLA
Carminati, J, Hamid Reza Karimian, Norbert Van den Bergh, et al. “Shear-free Perfect Fluids with a Solenoidal Magnetic Curvature.” CLASSICAL AND QUANTUM GRAVITY 26.19 (2009): n. pag. Print.