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4 papers · 1 filter
Stable indications of relic gravitational waves in Wilkinson Microwave Anisotropy Probe data and forecasts for the Planck mission
W. Zhao, D. Baskaran, L. P. Grishchuk
The relic gravitational waves (gw) are the cleanest probe of the violent times in the very early history of the Universe. They are expected to leave signatures in the observed cosm…
Statefinder diagnostic for Yang-Mills dark energy model
Wen Zhao
We study the statefinder parameters in the Yang-Mills condensate dark energy models, and find that the evolving trajectories of these models are different from those of other dark…
Evolution of magnetic component in Yang-Mills condensate dark energy models
Wen Zhao, Donghui Xu
The evolution of the electric and magnetic components in an effective Yang-Mills condensate dark energy model is investigated. If the electric field is dominant, the magnetic compo…
On the parameterization dependence of the energy momentum tensor and the metric
N. E. J. Bjerrum-Bohr, John F. Donoghue, Barry R. Holstein
We use results by Kirilin to show that in general relativity the nonleading terms in the energy-momentum tensor of a particle depends on the parameterization of the gravitational f…