287 citations · 614 across the 7 of their papers we have counts for
7 papers
-epistemic models are exponentially bad at explaining the distinguishability of quantum states
M. S. Leifer
The status of the quantum state is perhaps the most controversial issue in the foundations of quantum theory. Is it an epistemic state (state of knowledge) or an ontic state (state…
Maximally epistemic interpretations of the quantum state and contextuality
M. S. Leifer, O. J. E. Maroney
We examine the relationship between quantum contextuality (in both the standard Kochen-Specker sense and in the generalised sense proposed by Spekkens) and models of quantum theory…
A Bayesian approach to compatibility, improvement, and pooling of quantum states
M. S. Leifer, R. W. Spekkens
In approaches to quantum theory in which the quantum state is regarded as a representation of knowledge, information, or belief, two agents can assign different states to the same…
Towards a Formulation of Quantum Theory as a Causally Neutral Theory of Bayesian Inference
M. S. Leifer, R. W. Spekkens
Quantum theory can be viewed as a generalization of classical probability theory, but the analogy as it has been developed so far is not complete. Whereas the manner in which infer…
Teleportation in General Probabilistic Theories
Howard Barnum, Jonathan Barrett, Matthew Leifer +1
In a previous paper, we showed that many important quantum information-theoretic phenomena, including the no-cloning and no-broadcasting theorems, are in fact generic in all non-cl…
Pre- and Post-selection paradoxes and contextuality in quantum mechanics
M. S. Leifer, R. W. Spekkens
Many seemingly paradoxical effects are known in the predictions for outcomes of intermediate measurements made on pre- and post-selected quantum systems. Despite appearances, these…