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physics.gen-ph2000★ 1 cited
Has superluminal light propagation been observed?
Yuan-Zhong Zhang
It says in the report by Wang et al. that a negative group velocity is obtained and that a pulse advancement shift 62-ns is measured. The authors claim that the nega…
gr-qc2000★ 26 cited
Gravitational Effects of Rotating Bodies
Yuan-Zhong Zhang, Jun Luo, Yu-Xin Nie
We study two type effects of gravitational field on mechanical gyroscopes (i.e. rotating extended bodies). The first depends on special relativity and equivalence principle. The se…