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A comparison between repeating bursts of FRB 121102 and giant pulses from Crab pulsar and its applications
Fen Lyu, Yan-Zhi Meng, Zhen-Fan Tang +6
There are some similarities between bursts of repeating fast radio bursts (FRBs) and giant pulses (GPs) of pulsars. To explore possible relations between them, we study the cumulat…
Lorentz Invariance Violation Limits from the Spectral Lag Transition of GRB~190114C
Shen-Shi Du, Lin Lan, Jun-Jie Wei +8
The spectral lags of gamma-ray bursts (GRBs) have been viewed as the most promising probes of the possible violations of Lorentz invariance (LIV). However, these constraints usuall…
Self-organized Criticality in Multi-pulse Gamma-Ray Bursts
Fen Lyu, Ya-Ping Li, Shu-Jin Hou +3
The variability in multi-pulse gamma-ray bursts (GRBs) may help to reveal the mechanism of underlying processes from the central engine. To investigate whether the self-organized c…
Polarization of GRB Prompt Emission and its Application to POLAR's Data
Mi-Xiang Lan, Xue-Feng Wu, Zi-Gao Dai
Synchrotron emission polarization is very sensitive to the magnetic field configuration. Recently, polarization of synchrotron emission with a mixed (SM) magnetic field in Gamma-ra…
The SiTian project
JiFeng Liu, Roberto Soria, Xue-Feng Wu +2
SiTian is an ambitious ground-based all-sky optical monitoring project, developed by the Chinese Academy of Sciences. The concept is an integrated network of dozens of 1-m-class te…
Testing the Weak Equivalence Principle and Lorentz Invariance with Multiwavelength Polarization Observations of GRB Optical Afterglows
Jun-Jie Wei, Xue-Feng Wu
Violations of both the weak equivalence principle (WEP) and Lorentz invariance can produce vacuum birefringence, which leads to an energy-dependent rotation of the polarization vec…