On the classification of two-qubit group orbits and the use of coarse-grained 'shape' as a superselection property

29 Jan 2019 Hebdige Thomas Jennings David

Recently a complete set of entropic conditions has been derived for the interconversion structure of states under quantum operations that respect a specified symmetry action, however the core structure of these conditions is still only partially understood. Here we develop a coarse-grained description with the aim of shedding light on both the structure and the complexity of this general problem... (read more)

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