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physics.gen-ph2015★ 3 cited
Signal photon flux generated by high-frequency relic gravitational waves
Xin Li, Sai Wang, Hao Wen
The power spectrum of primordial tensor perturbations increases rapidly in high frequency region if the spectral index . It is shown that the amplitude of re…
physics.gen-ph2012★ 7 cited
Symmetry, causal structure and superluminality in Finsler spacetime
Zhe Chang, Xin Li, Sai Wang
The superluminal behaviors of neutrinos were reported by the OPERA collaboration recently. It was also noticed by Cohen and Glashow that, in standard quantum field theory, the supe…