2015/06/16 by Tabish Qureshi, Qureshi, Tabish
Physics and Astronomy · Chemistry · #Quantum Mechanics and Applications #History and advancements in chemistry
paper · pdf · doi:10.48550/arxiv.1506.04939
It is shown that the nature of quantum states that emerge from decoherence is such that one can \em measure the expectation value of any observable of the system in a single measurement. This can be done even when such pointer states are a priori unknown. The possibility of measuring the expectation value of any observable, without any prior knowledge of the state, points to the objective existence of such states.