526 citations
- Chinese Academy of SciencesCN36 papers
- Aalto UniversityFI34 papers
- Institute of Theoretical PhysicsCN23 papers
- Institute of High Energy PhysicsCN17 papers
- Loughborough UniversityGB17 papers
- Tel Aviv UniversityIL17 papers
- Chinese University of Hong KongHK15 papers
- Yangzhou UniversityCN15 papers
- University of Science and Technology BeijingCN12 papers
- Harbin Institute of TechnologyCN8 papers
- University of Chinese Academy of SciencesCN8 papers
- George Washington UniversityUS7 papers
Showing 2014 · astro-ph.COShow all
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astro-ph.CO2014★ 24 cited
Viscous Generalized Chaplygin Gas as a Unified Dark Fluid: Including Perturbation of Bulk Viscosity
Wei Li, Lixin Xu
In this paper, we continue our previous work of studying viscous generalized Chaplygin gas (VGCG) as a unified dark fluid but including the bulk viscosity perturbation. By using th…
astro-ph.CO2014★ 7 cited
Spherical top-hat Collapse of a Viscous Unified Dark Fluid
Wei Li, Lixin Xu
In this paper, we test the spherical collapse of a viscous unified dark fluid (VUDF) which has constant adiabatic sound speed and show the nonlinear collapse for VUDF, baryons, and…