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quant-ph2019
Majorana representation for mixed states
E. Serrano-Ensástiga, D. Braun
We generalize the Majorana stellar representation of spin- pure states to mixed states, and in general to any hermitian operator, defining a bijective correspondence between thr…
quant-ph2019
Stellar Representation of Grassmannians
C. Chryssomalakos, E. Guzmán-González, L. Hanotel +1
Pure quantum spin- states can be represented by points on the sphere, as shown by Majorana in 1932 --- the description has proven particularly useful in the study of rotati…