Make it, mix it and shake it — a microphysical recipe for circumgalactic medium

主讲人 (Speaker): 

季索清

主讲人单位 (Speaker's Institute): 

California Institute of Technology

邀请人 (Invited by): 

余聪

时间 (Time): 

星期五, 2019/01/11 - 10:00 to 11:00

地点 (Location): 

珠海校区海滨红楼17栋107 (Rm 107, Red House 17)

摘要 (Abstract): 

        Multiphase gas structure is ubiquitous in our universe. Recent observations suggest that large quantities of cold gas with temperature of a few 10^4 K are found in galaxy halos, which extends up to a few times of galactic virial radius. However, the origin and fate of such cold gas still remain unclear. In this talk, I mainly explore magnetized thermal instability as a promising mechanism for cold gas formation. In addition, I discuss the warm gas generation from magnetized turbulent mixing layers, and the preliminary particle-fluid simulations of cold cloudlets, which paves the way for final two-fluid model of cold gas in cosmological simulations.

主讲人简介 (Speaker's CV): 

Education University of California Santa Barbara, Santa Babara, California USA Ph.D., Theoretical Physics, 2018 M.A., Physics, 2015 University of Massachusetts Dartmouth, Dartmouth, Massachusetts USA M.S., Physics, 2013 Anhui Jianzhu University, Hefei, Anhui China B.S. with Honors, Physics, 2011 Professional Appointments California Institute of Technology, Pasadena, California USA Sherman Fairchild Fellow in Theoretical Physics 2018 – current Selected Honors and Awards Burke Prize Fellowship, Walter Burke Institute for Theoretical Physics, Caltech 2018 Best Presentation, Graduate Simulation Seminar Series, UCSB 2017 Worster Fellowship, Department of Physics, UCSB 2015 & 2017 1st Place in Art of Science Competition, UCSB 2016 Paxton Fellowship, Kavli Institute for Theoretical Physics, UCSB 2014 National Scholarship, Ministry of Education of China 2010