We propose jitter radiation and jitter self-Compton process in this work. We apply our model to the study of GRB prompt emission and GeV-emission. Our results can explain the multi-wavelength spectrum of GRB 100728A very well.

• Mao, Jirong(Yukawa Institute for Theoretical Physics, Kyoto University, Korea Astronomy and Space Science Institute, Yunnan Observatory, Chinese Academy of Sciences, Key Laboratory for the Structure and Evolution of Celestial Objects, Chinese Academy of Sciences)