20160729 08:31 
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20160729 08:29 
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20160729 08:29 
On Shearing Fluids with Homogeneous Densities
/ Srivastava, D C (Department of Physics, DDU Gorakhpur University) ; Srivastava, V C (Department of Physics, DDU Gorakhpur University) ; Kumar, Rajesh (Department of Mathematics and Statistics, DDU Gorakhpur University)
In this paper, we study shearing spherically symmetric homogeneous density fluids in comoving coordinates. It is found that the expansion of the fourvelocity of a perfect fluid is homogeneous, whereas its shear is generated by an arbitrary function of time M(t), related to the mass function of the distribution [...]
arXiv:1607.08358.
2016  16 p.
 Published in : General Relativity and Gravitation, 48(6), 116,(2016)
External link: Preprint

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20160729 08:28 
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20160728 07:40 
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20160728 07:40 
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20160728 07:40 
Intermittency measurement in two dimensional bacterial turbulence
/ Qiu, Xiang ; Ding, Long ; Huang, Yongxiang ; Chen, Ming ; Lu, Zhiming ; Liu, Yulu ; Zhou, Quan
In this paper, an experimental velocity database of a bacterial collective motion , e.g., \textit{B. subtilis}, in turbulent phase with volume filling fraction $84\%$ provided by Professor Goldstein at the Cambridge University UK, was analyzed to emphasize the scaling behavior of this active turbulence system. [...]
arXiv:1607.07940.
2016  23 p.
 Published in : Phys. Rev. E 93 (2016) 062226
External link: Preprint

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20160728 07:37 
Evolving Horava Cosmological Horizons
/ Fathi, Mohsen ; Mohseni, Morteza
Several sets of radially propagating null congruence generators are exploited in order to form 3dimensional marginally trapped surfaces, referred to as black hole and cosmological apparent horizons in a Horava universe. Based on this method, we deal with the characteristics of the 2dimensional spacelike spheres of symmetry and the peculiarities of having trapping horizons. [...]
arXiv:1607.08113.
2016  13 p.
 Published in : Chin. Phys. C 40, 9, 095101 (2016)
External link: Preprint

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20160728 07:37 
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20160728 07:34 
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