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SUMMARY:Qiang Wen (Southeast University\, Nanjing)
DTSTART:20221215T110000Z
DTEND:20221215T120000Z
DTSTAMP:20260423T023935Z
UID:FHD-4/11
DESCRIPTION:Title: <a href="https://researchseminars.org/talk/FHD-4/11/">I
 sland phase as a property of quantum state and Hilbert space</a>\nby Qiang
  Wen (Southeast University\, Nanjing) as part of Frontiers of Holographic 
 Duality-4\n\n\nAbstract\nIn this talk I will give a purely quantum informa
 tion perspective for the Island formula. More explicitly we show that\, in
  a quantum system when the state of a subset is totally encoded in the sta
 te of another subset\, the Hilbert space of the system will reduce\, and t
 he way we compute the reduced density matrix and related entropy quantitie
 s will also change essentially. Such reductions of the Hilbert space resul
 t in a new island formula in quantum systems\, which we conjecture to be t
 he same island formula in gravity recently proposed to rescue the unitarit
 y for black hole evaporation. Furthermore\, we propose a non-gravitational
  field theory configuration where entanglement islands emerge\, give a des
 cription for the entanglement structure of the island phase and propose ho
 w to realize the island phase in the lab.\n
LOCATION:https://researchseminars.org/talk/FHD-4/11/
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