PIC simulation study of microinstability from the electron beam and the crescent distribution near the electron diffusion region

Kyunghwan Dokgo1,2, Kyoung-Joo Hwang1,3, Eunjin Choi1,3 and David G Sibeck1, (1)NASA Goddard Space Flight Center, Greenbelt, MD, United States, (2)Catholic University of America, Washington, DC, United States, (3)University of Maryland Baltimore County, Baltimore, MD, United States