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4 papers
Deflection and gravitational lensing of null and timelike signals in general asymptotically (anti-)de Sitter spacetimes
Zixiao Li, Haotian Liu, Junji Jia
The deflection and gravitational lensing of light and massive particles in arbitrary static, spherically symmetric and asymptotically (anti-)de Sitter spacetimes are considered in…
Time delay in the strong field limit for null and timelike signals and its simple interpretation
Haotian Liu, Junji Jia
Gravitational lensing can happen not only for null signal but also timelike signals such as neutrinos and massive gravitational waves in some theories beyond GR. In this work we st…
Constraining the spacetime spin using time delay in stationary axisymmetric spacetimes
Haotian Liu, Junji Jia
Total travel time and time delay between images of gravitational lensing (GL) in the equatorial plane of stationary axisymmetric (SAS) spacetimes for null and timelike sig…
Time delay of timelike particles in gravitational lensing of Schwarzschild spacetime
Junji Jia, Haotian Liu
Time delay in Schwarzschild spacetime for null and timelike signals with arbitrary velocity is studied. The total travel time is evaluated both exactly and appr…