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CATEGORIES:Academics,Faculty & Staff,Grad Students & Postdocs
DESCRIPTION:"Magnetic Reconnection: Past\, Present\, Future\, and a New FLA
 RE Facility" \n\n \n\nPresented by Dr. Hantao Ji\, Professor\, from Princet
 on University\n\n \n\nMagnetic reconnection has been regarded as one of mos
 t fundamental physical processes in space and astrophysics responsible for 
 explosive release of magnetic energy to particles. It plays a pivotal role 
 in electron and ion heating\, particle acceleration to high energies\, ener
 gy transport\, and self-organization. The relevant phenomena range from sol
 ar flares\, coronal heating\, solar wind interactions with planets’ magneto
 spheres including Earth’s\, star formation in molecular clouds\, to explosi
 ons on magnetars and pulsars including Crab Nebula\, as well as to disrupti
 ve phenomena in laboratory fusion plasmas. The first part of this talk conc
 isely reviews the history of magnetic reconnection research starting from s
 olar flares since 1950s\, summarizes the status of our current understandin
 g\, and provides an outlook into the future to solve the reconnection probl
 em.\n\n \n\nThe second part of this talk will introduce a new collaborative
  research facility\, FLARE (Facility for LAboratory Reconnection Experiment
 s\; www.pppl.gov/FLARE) as an experimental platform for the study of magnet
 ic reconnection in the multiple X-line regimes in the reconnection phase di
 agram [1\,2]\, directly relevant to space\, solar\, astrophysical\, and fus
 ion plasmas. FLARE will allow us to perform controlled reconnection experim
 ents at parameters never available before in the laboratory. Funded by NSF\
 , the device was originally constructed and tested on the main campus of Pr
 inceton University. Funded by DoE and Princeton University\, the FLARE devi
 ce has been relocated to and installed at Princeton Plasma Physics Laborato
 ry (PPPL) with a full set of initial diagnostics and an upgraded set of pow
 er supplies and infrastructure required to provide access to new regimes of
  magnetic reconnection. The first plasmas were successfully generated on Ap
 ril 14\, 2025 and initial operations began on June 1\, 2025 at PPPL. The ca
 pabilities of the facility and its initial plan will be presented in prepar
 ation for its establishment as a DoE collaborative research facility.\n\n \
 n\n[1] H. Ji and W. Daughton\, Physics of Plasmas 18\, 111207 (2011).\n\n[2
 ] H. Ji\, W. Daughton\, J. Jara-Almonte\, A. Le\, A. Stanier\, J. Yoo\, Nat
 ure Reviews Physics 4\, 263 (2022).
DTEND:20251205T210000Z
DTSTAMP:20260315T075526Z
DTSTART:20251205T200000Z
GEO:39.681038;-75.752869
LOCATION:Sharp Lab\, 215
SEQUENCE:0
SUMMARY:Fluids & Plasma Physics Seminar - Dr. Hantao Ji
UID:tag:localist.com\,2008:EventInstance_51382508090164
URL:https://events.udel.edu/event/fluids-plasma-physics-seminar-dr-hantao-j
 i
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