What's Wrong with these Observables?

Abstract

An imprecise measurement of a dynamical variable (such as a spin component) does not, in general, give the value of another dynamical variable (such as a spin component along a slightly different direction). The result of the measurement cannot be interpreted as the value of any observable that has a classical analogue.

submitted to Foundations of Physics

References in corpus (2)

• Finite precision measurement nullifies the Kochen-Specker theorem
• Coloring the rational quantum sphere and the Kochen-Specker theorem

Cited by in corpus (6)

• Non-Markovian quantum processes: complete framework and efficient characterisation
• Experimental implementation of a Kochen-Specker set of quantum tests
• Minimal true-implies-false and true-implies-true sets of propositions in noncontextual hidden variable theories
• Proof of the Peres conjecture for contextuality
• Memory Effects in Quantum Processes
• Classical simulators of quantum computers and no-go theorems