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SUMMARY:David Luitz (University of Bonn)
DTSTART:20220517T081500Z
DTEND:20220517T091500Z
DTSTAMP:20260423T005711Z
UID:NMTP2022/8
DESCRIPTION:Title: <a href="https://researchseminars.org/talk/NMTP2022/8/"
 >Krylov space time evolution and quantum typicality</a>\nby David Luitz (U
 niversity of Bonn) as part of Numerical Methods in Theoretical Physics\n\n
 \nAbstract\nI will discuss how to perform exact time evolution of many-bod
 y wave functions using Krylov space algorithms. This method only relies on
  a fast matrix vector product of the Hamiltonian (or the evolution operato
 r) and is the only method which can deal with similarly large systems in t
 he regime of strong entanglement\, which is generically produced over time
 . In combination with the concept of quantum typically\, which allows us t
 o get rid of traces over operators\, this method develops its full power.\
 nI will demonstrate this power with the example of how to calculate out of
  time order correlators in Heisenberg spin chains with short and long rang
 e interactions.\n
LOCATION:https://researchseminars.org/talk/NMTP2022/8/
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