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SUMMARY: Dissipative quantum algorithms for thermal state preparation and 
 their convergence times - Štěpán Smid\, Imperial College London
DTSTART:20260204T123000Z
DTEND:20260204T140000Z
UID:TALK242962@talks.cam.ac.uk
CONTACT:Lila Cadi Tazi
DESCRIPTION:Dissipative quantum algorithms for quantum state preparation\,
  including ground states and thermal states\, are being increasingly commo
 nly recognised for their promises of practical quantum advantage. Recent p
 rogress in algorithmic detailed-balanced Lindbladians allows one to constr
 uct and efficiently simulate the open system dynamics converging towards d
 esired target states\, however the end-to-end complexity of these algorith
 ms is dependent on their mixing times. This quantity determines how long d
 oes it take to converge sufficiently close to the steady state. In this ta
 lk\, I shall explain the construction of algorithmic Lindbladians for Gibb
 s state preparation\, discuss the available techniques for bounding their 
 mixing times\, and present our results proving efficient mixing for weakly
 -interacting quantum systems.\n
LOCATION:Todd-Hamied Room\, Department of Chemistry\, Cambridge
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