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UID:6ac075cd0c8ef
DTSTART:20250211T110000Z
SEQUENCE:0
TRANSP:OPAQUE
DTEND:20250211T120000Z
LOCATION:Seminar Room
SUMMARY:ICFO | MICHAL ECKSTEIN
CLASS:PUBLIC
DESCRIPTION:The quantum process tomography is an experimental procedure all
 owing to reconstruct an unknown quantum process\, characterised by the Cho
 i matrix\, from the measurement data. It is typically engaged to test the 
 quality of a constructed quantum circuit. However\, it can also be employe
 d to design new foundational tests of the quantum theory itself. In my tal
 k\, I will show how to implement quantum process tomography at high-energy
  colliders. It is based on recent breakthrough measurements of quantum ent
 anglement at the Large Hadron Collider in CERN and the possibility to prep
 are high-energy polarised beams of particles at present and future collide
 rs. As an illustrative example\, I will discuss the theoretical prediction
  and a suitable experimental procedure\, to reconstruct the spin dynamics 
 in the process of top-quark pair production from polarised electron-positr
 on collisions. The talk is based on the recent works: arXiv:2103.12000 [qu
 ant-ph]\, arXiv:2412.01892 [hep-ph].\nBIO:\nMichał Eckstein is an assista
 nt professor of theoretical physics at the Jagiellonian University in Krak
 ow\, Poland. He worked in various different fields of physics and mathemat
 ics\, including operator algebras\, quantum information\, general relativi
 ty and particles physics. His primary interest are the foundations of phys
 ics.
DTSTAMP:20261003T032605Z
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