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SUMMARY:The Origin and Polarization of Fast Radio Bursts - Dr. Weiyang Wan
 g (University of Chinese Academy of Sciences)
DTSTART:20251021T101500Z
DTEND:20251021T110000Z
UID:TALK232975@talks.cam.ac.uk
CONTACT:David Buscher
DESCRIPTION:The origin of Fast Radio Bursts (FRBs)\, millisecond-duration\
 , extragalactic flashes of radio waves\, remains one of the most pressing 
 enigmas in modern astrophysics. While thousands of FRBs have been cataloge
 d\, their explosive progenitors and emission mechanisms are still debated.
  We review synthesizes current observational evidence and theoretical mode
 ls to investigate the central engines powering these extreme phenomena. A 
 critical diagnostic tool in this endeavor is the polarization properties o
 f FRB signals. Measurements of linear polarization\, and particularly the 
 detection of extreme Faraday rotation measures and complex polarization an
 gle swings\, provide direct insights into the dense\, magnetized environme
 nts local to the source. We conclude that the diverse polarization signatu
 res observed\, especially in repeating FRBs\, strongly favor a magnetosphe
 ric origin\, where the emission is generated within a dynamic\, highly mag
 netized plasma.
LOCATION:Coffee area\, Battcock Centre
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