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X-FROM-URL:https://eom.sdu.dk/events/ical/10596b2c-edf8-45c8-98ba-76a79b3a
 e451
X-WR-CALNAME:QM Research Seminar: When Can Long-Range Entanglement Be Igno
 red? Insights from the Information Lattice
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TZID:Europe/Copenhagen
X-LIC-LOCATION:Europe/Copenhagen
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DTSTAMP:20260505T171322Z
DTSTART:20261028T030000
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DTSTART:20260325T020000
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DESCRIPTION:[b]Speaker: Thomas Klein Kvorning [/b](​KTH Royal Institute of
  Technology). \n\n[b]Abstract: [/b]\nSimulating quantum many-body systems
  is fundamentally challenging because quantum states encode correlations 
 that cannot be decomposed into local parts\, leading to an exponential gr
 owth of required resources with system size. Yet physical observables are
  typically local: they are fully determined by density matrices of small 
 subsystems. This raises a central question: can local density matrices be
  time-evolved without explicitly tracking long-range correlations? In thi
 s talk\, I address this question using the framework of the information l
 attice\, a scale-resolved decomposition of the information content of a q
 uantum state. This construction provides a precise notion of where inform
 ation resides in a quantum system\, both in space and across length scale
 s\, and thereby offers a diagnostic of how correlations build up dynamica
 lly. I will show how this perspective reveals regimes in which local degr
 ees of freedom are exactly decoupled from long-range entanglement\, as we
 ll as how it can guide the development of approximate numerical methods f
 or ab initio simulation of condensed matter systems.
DTEND:20260518T140000Z
DTSTAMP:20260505T171322Z
DTSTART:20260518T130000Z
LOCATION:Syddansk Universitet\, Campusvej 55\, 5230\, Odense M
SEQUENCE:0
SUMMARY:QM Research Seminar: When Can Long-Range Entanglement Be Ignored? 
 Insights from the Information Lattice
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