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Distinct Quantum States Cannot Be Compatible with a Single State of Reality
quantum state wave function projective measurement protective measurement physical state ontic state psi-epistemic model
2016/6/13
Recently Lewis et al. [Phys. Rev. Lett. 109, 150404 (2012)] demonstrated that additional assumptions such as preparation independence are always necessary to rule out a psi-epistemic model, in which t...
In defence of non-ontic accounts of quantum states
quantum states quantum probabilities anthropocentric notions micro/macro divide explanation and prediction
2016/6/13
The paper discusses objections against non-hidden variable versions of the epistemic conception of quantum states — the view that quantum states do not describe the properties of quantum systems but r...
Comment on "Distinct Quantum States Can Be Compatible with a Single State of Reality"
psi-epistemic model quantum state wave function protective measurement
2016/5/30
Lewis et al. recently demonstrated that additional assumptions such as preparation independence are always necessary to rule out a psi-epistemic model, in which the quantum state is not uniquely deter...
Interpreting Heisenberg interpreting quantum states
Werner Heisenberg quantum theory interpretation quantum probabilities
2016/5/30
The paper investigates possible readings of the later Heisenberg's remarks on the nature of quantum states. It discusses, in particular, whether Heisenberg should be seen as a proponent of the epistem...
A clarification of the heuristic concept of decoherence requires a consistent description of the classical behavior of some quantum systems. We adopt algebraic quantum mechanics since it includes not ...
A Topos Perspective on the Kochen-Specker Theorem: I. Quantum States as Generalised Valuations
Kochen-Specker theorem category theory
2008/4/9
Any attempt to construct a realist interpretation of quantum theory founders on the Kochen-Specker theorem, which asserts the impossibility of assigning values to quantum quantities in a way that pres...