Economical ontological models for discrete quantum systems

Details Economical ontological models for discrete quantum systems Economical ontological models for discrete quantum systems

2009-02-13

arxiv.org/abs/0902.2375v2

Phys. Rev. A 80, 022106 (2009)

Physics

Quantum Physics

6 pages, 2 figures. v2: erroneous claim removed, compression method improved, reference added

Scientific paper

10.1103/PhysRevA.80.022106

I use the recently proposed framework of ontological models [Harrigan et al., arXiv:0709.1149v2] to obtain economical models for results of tomographically complete sets of measurements on finite-dimensional quantum systems. I describe a procedure that simplifies the models by decreasing the number of necessary ontic states, and present an explicit model with just 33 ontic states for a qutrit.

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