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DTSTART:20180311T070000
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DTSTART;TZID=America/Toronto:20180523T131500
SEQUENCE:0
TRANSP:TRANSPARENT
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URL:https://uwaterloo.ca/institute-for-quantum-computing/events/maximal-coh
 erence-and-resource-theory-purity
LOCATION:QNC - Quantum Nano Centre 200 University Avenue West 1201 Waterloo
  ON N2L 3G1 Canada
SUMMARY:Maximal Coherence and the Resource Theory of Purity
CLASS:PUBLIC
DESCRIPTION:DAGMAR BRUSS\, UNIVERSITY OF DUESSELDORF\n\nThe resource theor
 y of quantum coherence studies the off-diagonal\nelements of a density mat
 rix in a distinguished basis\, whereas the\nresource theory of purity stud
 ies all deviations from the maximally\nmixed state. We establish a direct 
 connection between the two resource\ntheories\, by identifying purity as t
 he maximal coherence\, which is\nachievable by unitary operations. The sta
 tes that saturate this\nmaximum identify a universal family of maximally c
 oherent mixed\nstates.
DTSTAMP:20260421T061441Z
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