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SUMMARY:Self-Similar Cosmic Ray Transport in the Turbulent Interstellar Me
 dium - Philipp Kempski\, Instituto Superior Técnico (IST)
DTSTART:20260209T160000Z
DTEND:20260209T170000Z
UID:TALK242467@talks.cam.ac.uk
CONTACT:David Hosking
DESCRIPTION:Cosmic rays (CRs)\, relativistic charged particles that permea
 te the universe\, play a crucial role in shaping a broad range of astrophy
 sical phenomena\, from the ionization of star-forming molecular clouds to 
 the launching of galactic winds. As a result\, CRs are a key ingredient in
  models of galaxy evolution and structure formation. However\, despite man
 y decades of work\, the propagation of CRs through galactic magnetic field
 s remains a major open problem\, which severely limits our ability to accu
 rately simulate their impact on galaxies. In this talk\, I will discuss re
 cent progress in our understanding of CR transport in the turbulent inters
 tellar medium. I will argue that rare coherent magnetic structures\, such 
 as small-scale bends\, play a key role in regulating CR propagation. I wil
 l support this idea with extremely high-resolution simulations of CR trans
 port in magnetized turbulence and will discuss how these coherent interste
 llar structures can be probed observationally.
LOCATION:MR14 DAMTP and online
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