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UID:DSC-8226
DTSTART;TZID=Europe/Berlin:20141022T153000
SEQUENCE:1413963592
TRANSP:OPAQUE
DTEND;TZID=Europe/Berlin:20141022T163000
URL:https://dresden-science-calendar.de/calendar/en/detail/8226
LOCATION:MPI-PKS\, Nöthnitzer Straße 3801187 Dresden
SUMMARY:Sondhi: Local perturbations in localized phases
CLASS:PUBLIC
DESCRIPTION:Speaker: Shivaji Sondhi\nInstitute of Speaker: Princeton Univer
 sity\nTopics:\nPhysik\n Location:\n  Name: MPI-PKS (Seminarroom 3)\n  Stre
 et: Nöthnitzer Straße 38\n  City: 01187 Dresden\n  Phone: + 49 (0)351 87
 1 0\n  Fax: \nDescription: We examine the response of a system localized b
 y disorder to a time dependent local perturbation which varies smoothly wi
 th a characteristic timescale τ. We find that such a perturbation surpris
 ingly induces a highly non-local response\, involving a rearrangement of c
 onserved quantities over a length scale ∼ ln τ. This effect lies beyond
  linear response\, is absent in undisordered insulators and highlights the
  remarkable subtlety of localized phases. The effect is common to both sin
 gle particle and many body localized phases. Our results have implications
  for numerous fields\, including topological quantum computation in quantu
 m Hall systems\, quantum control in disordered environments\, and time dep
 endent localized systems. They also establish that disorder localized insu
 lators suffer from a statistical orthogonality catastrophe.
DTSTAMP:20260415T021346Z
CREATED:20141021T073816Z
LAST-MODIFIED:20141022T073952Z
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