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X-WR-TIMEZONE;VALUE=TEXT:Europe/Zurich
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DTSTAMP:20261027T132108Z
UID:1141fd6a-276b-47fb-9548-a3bb729c8745
DTSTART:20261102T164500
DTEND:20261102T174500
DESCRIPTION:Quantum entanglement characterizes the complexity of many-body 
 states: its moderate scaling with the system size allows wave function com
 pression\, enabling classical tensor-network methods in equilibrium. In th
 is talk\, I will introduce a notion of temporal entanglement\, which quant
 ifies the non-Markovianity of a quantum bath and quantum dynamics. We will
  explore the scaling of temporal entanglement in integrable and chaotic sy
 stems and argue that for several relevant classes of problems\, moderate t
 emporal entanglement allows us to significantly compress a quantum bath\, 
 establishing some rigorous bounds along the way. Based on this insight\, a
  whole new family of efficient methods out-of-equilibrium can be developed
 . These methods\, in particular\, are capable of capturing critical dynami
 cs in multi-orbital impurity models out-of-equilibrium\, and\, more broadl
 y\, provide a new lens on the complexity of many-body phenomena.
LOCATION:ETH Zürich\, Hönggerberg HIT H 42
ORGANIZER:Dmitry Abanin
SUMMARY:Temporal entanglement and complexity of quantum many-body dynamics
URL;VALUE=URI:https://theorycolloquium.phys.ethz.ch/programme/upcoming-talk
 .html
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