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5 papers · 1 filter
Testing the (generalized) Chaplygin gas model with the Lookback time-Redshift data
Zhengxiang Li, Puxun Wu, Hongwei Yu
The Chaplygin gas (CG) and the generalized Chaplygin gas (GCG) models, proposed as candidates of the unified dark matter-dark energy (UDME), are tested with the look-back time (LT)…
Modification of energy shifts of atoms by the presence of a boundary in a thermal bath and the Casimir-Polder force
Zhiying Zhu, Hongwei Yu
We study the modification by the presence of a plane wall of energy level shifts of two-level atoms which are in multipolar coupling with quantized electromagnetic fields in a ther…
Strong field gravitational lensing in the deformed Hǒrava-Lifshitz black hole
Songbai Chen, Jiliang Jing
Adopting the strong field limit approach, we studied the properties of strong field gravitational lensing in the deformed Hǒrava-Lifshitz black hole and obtained the angular positi…
Generation of entangled coherent states for distant Bose-Einstein condensates via electromagnetically induced transparency
Le-Man Kuang, Zeng-Bing Chen, Jian-Wei Pan
In this paper, we propose a method to generate entangled coherent states between two spatially separated atomic Bose-Einstein condensates (BECs) via the technique of the electromag…
Density pertubation of unparticle dark matter in the flat Universe
Songbai Chen, Xiangyun Fu, Jiliang Jing
The unparticle has been suggested as a candidate of dark matter. We investigated the growth rate of the density perturbation for the unparticle dark matter in the flat Universe. Fi…