Regulation of Proton-α Drift Velocity by Large-scale Compressive Fluctuations and Ion-scale Instabilities in the Solar WInd

Xingyu Zhu1,2, Daniel Verscharen3, Jiansen He1, Bennett Maruca4 and Christopher John Owen5, (1)Peking University, Beijing, China, (2)Mullard Space Science Laboratory, Dorking, United Kingdom, (3)University of New Hampshire Main Campus, Durham, NH, United States, (4)Center for Astrophysics, Berkeley, CA, United States, (5)University College London, Mullard Space Science Laboratory, Dorking, United Kingdom