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DTSTART:19810329T020000
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UID:news2121@dmi.unibas.ch
DTSTAMP;TZID=Europe/Zurich:20261109T084346
DTSTART;TZID=Europe/Zurich:20261120T160000
SUMMARY:BZ Seminar in Analysis: Marius Lemm (University of Tübingen)
DESCRIPTION:The central challenge of quantum many-body physics is the curse
  of dimensionality: the Hilbert space dimension grows exponentially with t
 he number of degrees of freedom. One of the key tools to handle this large
  dimension is the Lieb–Robinson bound (LRB). It provides an approximate 
 causal structure (“effective light cones”) for the quantum dynamics of
  local observables. Its applications range from mathematical structure the
 ory (e.g.\, proving existence of thermodynamic limits) to quantum informat
 ion (e.g.\, designing quantum simulation algorithms). LRBs are well-unders
 tood for quantum spin systems\, which are systems on discrete graphs with 
 bounded local interactions. However\, for models with unbounded local term
 s\, such as lattice bosons and more realistic continuum models\, the usual
  techniques no longer apply. I will report on recent progress in deriving 
 LRBs for such systems.
X-ALT-DESC:<p>The central challenge of quantum many-body physics is the cur
 se of dimensionality: the Hilbert space dimension grows exponentially with
  the number of degrees of freedom. One of the key tools to handle this lar
 ge dimension is the Lieb–Robinson bound (LRB). It provides an approximat
 e causal structure (“effective light cones”) for the quantum dynamics 
 of local observables. Its applications range from mathematical structure t
 heory (e.g.\, proving existence of thermodynamic limits) to quantum inform
 ation (e.g.\, designing quantum simulation algorithms). LRBs are well-unde
 rstood for quantum spin systems\, which are systems on discrete graphs wit
 h bounded local interactions. However\, for models with unbounded local te
 rms\, such as lattice bosons and more realistic continuum models\, the usu
 al techniques no longer apply. I will report on recent progress in derivin
 g LRBs for such systems.</p>
DTEND;TZID=Europe/Zurich:20261120T170000
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