Vector Generation of Quantum Contextual Sets in Even Dimensional Hilbert Spaces
arXiv:1905.01567 · doi:10.3390/e20120928
Abstract
Recently, quantum contextuality has been proved to be the source of quantum computation's power. That, together with multiple recent contextual experiments, prompts improving the methods of generation of contextual sets and finding their features. The most elaborated contextual sets, which offer blueprints for contextual experiments and computational gates, are the Kochen--Specker (KS) sets. In this paper, we show a method of vector generation that supersedes previous methods. It is implemented by means of algorithms and programs that generate hypergraphs embodying the Kochen-Specker property and that are designed to be carried out on supercomputers. We show that vector component generation of KS hypergraphs exhausts all possible vectors that can be constructed from chosen vector components, in contrast to previous studies that used incomplete lists of vectors and therefore missed a majority of hypergraphs. Consequently, this unified method is far more efficient for generations of KS sets and their implementation in quantum computation and quantum communication. Several new KS classes and their features have been found and are elaborated on in the paper. Greechie diagrams are discussed. A detailed and complete blueprint of a particular 21-11 KS set with a complex coordinatization is presented in Appendix A, in contrast to the one from the published version of this paper where only a few of its states were given.
10 pages, 3 figures, 2 tables. Complete set of states for the 21-11 critical KS sets are given. Reprinted as M. Pavicic and Norman D. Megill, Vector Generation of Quantum Contextual Sets in Even Dimensional Hilbert Spaces, in Quantum Probability and Randomness, Andrei Khrennikov and Karl Svozil (Eds.), pp. 6-17, MDPI Books, Basel (2019), http://www.mdpi.com/books/pdfview/book/1247
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