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Showing 2004 · gr-qcShow all
3 papers · 2 filters
gr-qc2004★ 38 cited
Quasinormal modes of charged black holes in string theory
Fu-Wen Shu, You-Gen Shen
Both scalar and Dirac quasinormal modes in Garfinkle-Horowitz-Strominger black hole spacetime are studied by using the WKB approximation and the Pöschl-Teller approximation. For sc…
gr-qc2004★ 16 cited
Phantom Cosmology with Non-minimally Coupled Real Scalar Field
Zu-Yao Sun, You-Gen Shen
We find that the expansion of the universe is accelerating by analyzing the recent observation data of type $\textsc{I}a$ supernova(SN-Ia) .It indicates that the equation of state…
gr-qc2004★ 11 cited
Entropy in the NUT-Kerr-Newman Black Holes Due to an Arbitrary Spin Field
Xian-Hui Ge, You-Gen Shen
Membrane method is used to compute the entropy of the NUT-Kerr-Newman black holes. It is found that even though the Euler characteristic is greater than two, the Bekenstein-Hawking…