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SUMMARY:Cosmic Ray Diffusion in the Multi-phase and Partially Ionized ISM
DTSTART;VALUE=DATE-TIME:20260708T060000Z
DTEND;VALUE=DATE-TIME:20260708T070000Z
DTSTAMP;VALUE=DATE-TIME:20260726T180200Z
UID:indico-event-5156@indico-tdli.sjtu.edu.cn
DESCRIPTION:Speakers: Yue Hu(胡越) (Institute for Advanced Study)\n\nHos
 t: Dong LaiJoin Tencent Meeting：https://meeting.tencent.com/dm/jtdpi0YN
 CFmgMeeting ID: 252723545 (no password）Abstract:Cosmic rays are a key n
 on-thermal component of galaxies\, yet their transport through the interst
 ellar medium remains difficult to model because the ISM is turbulent\, mag
 netized\, multi-phase\, and often only partially ionized. In this talk\, I
  will discuss how these realistic ISM conditions reshape TeV–PeV cosmic-
 ray diffusion. I will show that MHD turbulence drives perpendicular superd
 iffusion through magnetic-field-line wandering\, while compressibility\, m
 agnetic mirroring\, ion–neutral damping\, and thermal phase transitions 
 regulate parallel scattering and confinement. These effects are especially
  important in cold and partially ionized gas\, as well as for TeV–PeV co
 smic rays propagating through a multi-phase ISM. I will also discuss how t
 hese transport mechanisms may help interpret recent LHAASO observations of
  Galactic PeVatrons and their extended TeV–PeV gamma-ray emission.Biogra
 phy:Dr. Yue Hu is a NASA Hubble Fellow at the Institute for Advanced Study
 \, Princeton. He received his Ph.D. in Physics from the University of Wisc
 onsin–Madison in 2024\, and his B.E. from Tongji University and the Univ
 ersity of Bologna in 2018.His research spans astrophysical magnetism\, MHD
  turbulence\, cosmic rays\, and multi-scale plasma physics across the ISM\
 , CGM\, and ICM. He develops novel statistical and machine learning techni
 ques to map\, for the first time\, the large-scale magnetic fields threadi
 ng the cosmic web. He has over 70 refereed publications\, with work appear
 ing in Nature Astronomy and Nature Communications. He is the recipient of 
 the American Physical Society (APS) Cecilia Payne-Gaposchkin Dissertation 
 Award and the Overseas Chinese Physics Association (OCPA) Outstanding Diss
 ertation Award.\n\nhttps://indico-tdli.sjtu.edu.cn/event/5156/
LOCATION:Tsung-Dao Lee Institute/S4F-SW - Open Area (Tsung-Dao Lee Institu
 te)
URL:https://indico-tdli.sjtu.edu.cn/event/5156/
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