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SUMMARY:Daniel Terno (Macquarie University)
DTSTART:20240730T070000Z
DTEND:20240730T090000Z
DTSTAMP:20260417T072537Z
UID:3cqfs/23
DESCRIPTION:Title: <a href="https://researchseminars.org/talk/3cqfs/23/">S
 pin\, localisation and uncertainty relations</a>\nby Daniel Terno (Macquar
 ie University) as part of Tricontinental Quantum Fundamentals Seminar\n\n\
 nAbstract\nDefining a relativistic position operator poses significant cha
 llenges\, even without considering particle creation and annihilation. The
  solution involves using positive operator-valued measures (POVMs)\, thoug
 h they are not unique. This non-uniqueness also affects the relativistic g
 eneralization of non-relativistic spin. In this talk\, I will describe POV
 Ms for scalar particles\, photons\, and spin-1/2 fermions\, focusing on th
 eir properties and potential experimental relevance. Finally\, I will high
 light recent work addressing these (sloppily-defined) operators in a rigor
 ous manner.\n
LOCATION:https://researchseminars.org/talk/3cqfs/23/
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