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SUMMARY:Measuring correlations using local and nonlocal quenches
DTSTART;VALUE=DATE-TIME:20261027T160000Z
DTEND;VALUE=DATE-TIME:20261027T160500Z
DTSTAMP;VALUE=DATE-TIME:20261101T003609Z
UID:indico-contribution-6423@cern.ch
DESCRIPTION:Speakers: Alexey Mikhaylenko (LPI RAS\, Skoltech)\nWe present 
 a theoretical proposal for measuring correlation functions in a quantum fi
 eld system based on the use of quantum quenches. Using the examples of mas
 sive and massless scalar field theories\, we show that a short-term pertur
 bation of the system leads to a dependence of the further evolution of the
  average field on the initial state’s correlation functions. Considering
  two types of perturbations\,namely local and nonlocal quenches\, we show 
 which correlation functions can be measured in each of these cases. The pr
 oposed procedure can be applied to study non-Gaussian correlations.\n\nhtt
 ps://indico.particle.mephi.ru/event/626/contributions/6423/
LOCATION:Sevastopol hotel Conference Hall 1
URL:https://indico.particle.mephi.ru/event/626/contributions/6423/
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