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- University of Science and Technology of ChinaCN367 papers
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4 papers · 2 filters
Conditions and instability in gravity with non-minimal coupling between matter and geometry
Jun Wang, Ya-Bo Wu, Yong-Xin Guo +3
In this paper on the basis of the generalized gravity model with arbitrary coupling between geometry and matter, four classes of gravity models with non minimal coupl…
Energy Conditions and Stability in generalized gravity with arbitrary coupling between matter and geometry
Jun Wang, Ya-Bo Wu, Yong-Xin Guo +2
The energy conditions and the Dolgov-Kawasaki criterion in generalized gravity with arbitrary coupling between matter and geometry are derived in this paper, which are quite…
Spectrums of Black Hole in de Sitter Spacetime with Highly Damped Quasinormal Modes: High Overtone Case
Molin Liu, Xuehui Hu, Junwang Lu +1
Motivated by recent physical interpretation on quasinormal modes presented by Maggiore, the adiabatic quantity method given by Kunstatter is used to calculate the spectrums of a no…
Torsion and accelerating expansion of the universe in quadratic gravitation
Guoying Chee, Yongxin Guo
Several exact cosmological solutions of a metric-affine theory of gravity with two torsion functions are presented. These solutions give a essentially different explanation from th…