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6 papers · 2 filters
Thermodynamical properties of dark energy
Yungui Gong, Bin Wang, Anzhong Wang
We have investigated the thermodynamical properties of dark energy. Assuming that the dark energy temperature and considering that the volume of the Universe envelop…
Thermodynamical properties of the Universe with dark energy
Yungui Gong, Bin Wang, Anzhong Wang
We have investigated the thermodynamical properties of the Universe with dark energy. Adopting the usual assumption in deriving the constant co-moving entropy density that the phys…
Understanding Gravity: Some Extra Dimensional Perspectives
V. H. Satheeshkumar, P. K. Suresh
Gravity is one of the most inexplicable forces of nature, controlling everything, from the expansion of the Universe to the ebb and flow of ocean tides. The search for the laws of…
Exact scaling solutions and fixed points for general scalar field
Yungui Gong, Anzhong Wang, Yuan-Zhong Zhang
We show that the most general dark energy model that possesses a scaling solution is the k-essence model, which includes both of the quintessence and tachyon model…
Homothetic Self-Similar Solutions of the Three-Dimensional Brans-Dicke Gravity
G. A. Benesh, Anzhong Wang
All homothetic self-similar solutions of the Brans-Dicke scalar field in three-dimensional spacetime with circular symmetry are found in closed form.
Acceleration from M theory and Fine-tuning
Yungui Gong, Anzhong Wang
The compactification of M theory with time dependent hyperbolic internal space gives an effective scalar field with exponential potential which provides a transient acceleration in…