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DTSTART:20220327T030000
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DTSTAMP:20260404T020035Z
UID:62664636f01f1733354642@ist.ac.at
DTSTART:20220523T110000
DTEND:20220523T120000
DESCRIPTION:Speaker: Andrea Pizzi\nhosted by Maksym Serbyn\nAbstract: The f
 undamental question of how information spreads in closed quantum many-body
  systems is often addressed through the lens of the bipartite entanglement
  entropy\, a quantity that describes correlations in a comprehensive (nonl
 ocal) way. Among the most striking features of the entanglement entropy ar
 e its unbounded linear growth in the thermodynamic limit\, its asymptotic 
 extensivity in finite-size systems\, and the possibility of measurement-in
 duced phase transitions\, all of which have no obvious classical counterpa
 rt. Here\, we show how these key qualitative features emerge naturally als
 o in classical information spreading\, as long as one treats the classical
  many-body problem on par with the quantum one\, that is\, by explicitly a
 ccounting for the exponentially large classical probability distribution. 
 Our analysis is supported by extensive numerics on prototypical cellular a
 utomata and Hamiltonian systems\, for which we focus on the classical mutu
 al information and also introduce a classical entanglement entropy'. Our s
 tudy sheds light on the nature of information spreading in classical and q
 uantum systems\, and opens new avenues for quantum-inspired classical appr
 oaches across physics\, information theory\, and statistics.
LOCATION:Heinzel Seminar Room / Office Bldg West (hybrid enabled) (I21.EG.1
 01)\, ISTA
ORGANIZER:cpetz@ist.ac.at
SUMMARY:Andrea Pizzi: Bridging the gap between classical and quantum many-b
 ody information dynamics
URL:https://talks-calendar.ista.ac.at/events/3721
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