Minimal Bell-Kochen-Specker proofs with POVMs on qubits

Abstract

There are many different definitions of what a Bell-Kochen-Specker proof with POVMs might be. Here we present and discuss the minimal proof on qubits for three of these definitions and show that they are indeed minimal.

arXiv comment7 pages, no figures

References in corpus (2)

• Contextuality for preparations, transformations, and unsharp measurements
• Kochen-Specker theorem for a single qubit using positive operator-valued measures