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UID:349637e0867f3001a94cffd76630bfc7
DTSTAMP:20260818T014613Z
SUMMARY:Physics SPC Seminar: Professor A.G.R Thomas: Electric and Magnetic 
 Fields on the Surface of a Dense Plasma with Relativistic Electron Flows
DESCRIPTION:Abstract\nStrong magnetic fields (B > 10⁴ T) have been measur
 ed in previous experiments involving interactions between intense pulsed l
 asers and solid-density foil targets. These fields are generated by the ex
 panding flow of hot electrons and are related to the formation of electric
  sheaths used in ion acceleration studies. Such fields have also been empl
 oyed in fundamental plasma physics investigations\, including relativistic
  magnetic reconnection and magnetised shocks.\nHere\, the electric and mag
 netic fields generated on the surface of a dense plasma by hot electrons a
 re analysed using relativistic fluid theory applied to quasi-steady-state 
 solutions. Both isothermal and isentropic models are considered\, together
  with conservation laws for electron flows expressed in terms of the four-
 potential and specific enthalpy.\nAnalytic solutions for the electric and 
 magnetic field profiles are obtained and compared with particle-in-cell si
 mulations\, showing good agreement. The model clearly delineates regimes o
 f electron refluxing and surface confinement. These results are relevant t
 o ion acceleration and the generation of strong magnetic fields in laser-p
 lasma interactions.
URL:https://www.imperial.ac.uk/events/212064/physics-spc-seminar-professor-
 a-g-r-thomas-electric-and-magnetic-fields-on-the-surface-of-a-dense-plasma
 -with-relativistic-electron-flows/
DTSTART;TZID=Europe/London:20260819T150000
DTEND;TZID=Europe/London:20260819T160000
LOCATION:1004\, Blackett Building\, South Kensington Campus\, Imperial Coll
 ege London\, London\, SW7 2AZ\, United Kingdom
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