New Constraints on the Variable Equation of State Parameter from X-Ray Gas Mass Fractions and SNe Ia
Int.J.Mod.Phys.D16:403-409,2007 Recent measurements are suggesting that we live in a flat Universe and that its present accelerating stage is driven by a dark energy component whose equation of state may evolve in time. Assuming two different parameterizations for the function $\omega(z)$, we constr...
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| creator | Cunha, J. V Marassi, L Santos, R. C |
| description | Int.J.Mod.Phys.D16:403-409,2007 Recent measurements are suggesting that we live in a flat Universe and that
its present accelerating stage is driven by a dark energy component whose
equation of state may evolve in time. Assuming two different parameterizations
for the function $\omega(z)$, we constrain their free parameters from a joint
analysis involving measurements from X-Ray luminosity of galaxy clusters and
SNe type Ia data. |
| doi_str_mv | 10.48550/arxiv.astro-ph/0608686 |
| format | Article |
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its present accelerating stage is driven by a dark energy component whose
equation of state may evolve in time. Assuming two different parameterizations
for the function $\omega(z)$, we constrain their free parameters from a joint
analysis involving measurements from X-Ray luminosity of galaxy clusters and
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its present accelerating stage is driven by a dark energy component whose
equation of state may evolve in time. Assuming two different parameterizations
for the function $\omega(z)$, we constrain their free parameters from a joint
analysis involving measurements from X-Ray luminosity of galaxy clusters and
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its present accelerating stage is driven by a dark energy component whose
equation of state may evolve in time. Assuming two different parameterizations
for the function $\omega(z)$, we constrain their free parameters from a joint
analysis involving measurements from X-Ray luminosity of galaxy clusters and
SNe type Ia data.</abstract><doi>10.48550/arxiv.astro-ph/0608686</doi><oa>free_for_read</oa></addata></record> |
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| subjects | Physics - Astrophysics of Galaxies Physics - Cosmology and Nongalactic Astrophysics Physics - Earth and Planetary Astrophysics Physics - High Energy Astrophysical Phenomena Physics - Instrumentation and Methods for Astrophysics Physics - Solar and Stellar Astrophysics |
| title | New Constraints on the Variable Equation of State Parameter from X-Ray Gas Mass Fractions and SNe Ia |
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