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SUMMARY:Measurement induced faster symmetry restoration in quantum traject
 ories
DTSTART:20260806T103000Z
DTEND:20260806T113000Z
DTSTAMP:20260917T102800Z
UID:indico-event-9406@scitalks.tifr.res.in
DESCRIPTION:Speakers: Katha Ganguly (IISER PUNE)\n\nSymmetries play a cent
 ral role in quantum systems by protecting robust physical features\, enabl
 ing noise-resilient subspaces\, and reducing the effective complexity of m
 any-body systems. However\, even when the governing dynamics respects a sy
 mmetry\, individual quantum states may break it\, limiting these advantage
 s. In this talk\, I will present how continuous measurement of  global an
 d local observables can be used to restore U(1) symmetry in quantum trajec
 tories. We show that under global monitoring\, symmetry restoration is exp
 onentially accelerated for initial states containing distant charge sector
 s\, whereas states composed of adjacent charge sectors exhibit slow restor
 ation. We further establish the universality of this behaviour across diff
 erent measurement protocols. Finally\, we show that local monitoring can o
 vercome this slow restoration for certain states\, achieving even faster r
 elaxation.\n\nhttps://scitalks.tifr.res.in/event/9406/
LOCATION:A304 and on Zoom
URL:https://scitalks.tifr.res.in/event/9406/
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