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10 papers · 1 filter
Quasinormal modes and phase Transition of black holes
Xiaoping Rao, Bin Wang, Guohong Yang
We have studied the scalar field as well as the fermonic field perturbations in the background of the massless BTZ black holes. Comparing with the perturbation results in the gener…
Thermodynamics on the apparent horizon in generalized gravity theories
Shao-Feng Wu, Bin Wang, Guo-Hong Yang
We present a general procedure to construct the first law of thermodynamics on the apparent horizon and illustrate its validity by examining it in some extended gravity theories. A…
Fermionic Zero Modes in Gauge and Gravity Backgrounds on a Sphere
Yu-Xiao Liu, Li-Jie Zhang, Yi-Shi Duan
In this letter we study fermionic zero modes in gauge and gravity backgrounds taking a two dimensional compact manifold as extra dimensions. The result is that there exist ma…
Cross sections for meson-meson nonresonant reactions
Yu-Qi Li, Xiao-Ming Xu
Meson-meson nonresonant reactions governed by the quark-interchange mechanism are studied in a potential that is derived from QCD. S-wave elastic phase shifts for I=2 ππand I=3/2 K…
Crossing the phantom divide in brane cosmology with curvature corrections and brane-bulk energy transfer
Shao-Feng Wu, Auttakit Chatrabhuti, Guo-Hong Yang +1
We consider the Randall-Sundrum brane-world model with bulk-brane energy transfer where the Einstein-Hilbert action is modified by curvature correction terms: a four-dimensional sc…
Maximal planar scale-free Sierpinski networks with small-world effect and power-law strength-degree correlation
Zhongzhi Zhang, Shuigeng Zhou, Lujun Fang +2
Many real networks share three generic properties: they are scale-free, display a small-world effect, and show a power-law strength-degree correlation. In this paper, we propose a…