Abstract
We consider any noncontextuality inequality, and the state preparation scheme which consists in performing any von Neumann measurement, with post-measurement states , on any initial state. For an inequality which is not always satisfied and Hilbert space dimensions greater than a value specified by the inequality, we determine necessary and sufficient conditions for the existence of observables with which the inequality is violated for a state . For an initial state with no zero eigenvalues, there are always such observables, and they are independent of this state.
- Received 9 May 2016
DOI:https://doi.org/10.1103/PhysRevA.94.022106
©2016 American Physical Society
Physics Subject Headings (PhySH)
General PhysicsQuantum Information, Science & Technology