1.3k citations
- Perimeter InstituteCA95 papers
- Durham UniversityGB22 papers
- Stanford UniversityUS18 papers
- Harvard UniversityUS15 papers
- Massachusetts Institute of TechnologyUS15 papers
- University of British ColumbiaCA15 papers
- California Institute of TechnologyUS14 papers
- Centre National de la Recherche ScientifiqueFR14 papers
- McMaster UniversityCA14 papers
- University of TorontoCA13 papers
- Canadian Institute for Advanced ResearchCA11 papers
- Space Telescope Science InstituteUS11 papers
33 papers · 2 filters
A Separation between Divergence and Holevo Information for Ensembles
Rahul Jain, Ashwin Nayak, Yi Su
The notion of divergence information of an ensemble of probability distributions was introduced by Jain, Radhakrishnan, and Sen in the context of the ``substate theorem''. Since th…
Counterexamples to additivity of minimum output p-Renyi entropy for p close to 0
Toby Cubitt, Aram W. Harrow, Debbie Leung +2
Complementing recent progress on the additivity conjecture of quantum information theory, showing that the minimum output p-Renyi entropies of channels are not generally additive f…
The de Finetti theorem for test spaces
Jonathan Barrett, Matthew Leifer
We prove a de Finetti theorem for exchangeable sequences of states on test spaces, where a test space is a generalization of the sample space of classical probability theory and th…
Complementarity of Private and Correctable Subsystems in Quantum Cryptography and Error Correction
Dennis Kretschmann, David W. Kribs, Robert W. Spekkens
We make an explicit connection between fundamental notions in quantum cryptography and quantum error correction. Error-correcting subsystems (and subspaces) for quantum channels ar…
Testing Quantum Devices: Practical Entanglement Verification in Bipartite Optical Systems
Hauke Häseler, Tobias Moroder, Norbert Lütkenhaus
We present a method to test quantum behavior of quantum information processing devices, such as quantum memories, teleportation devices, channels and quantum key distribution proto…
Frame representations of quantum mechanics and the necessity of negativity in quasi-probability representations
Christopher Ferrie, Joseph Emerson
Several finite dimensional quasi-probability representations of quantum states have been proposed to study various problems in quantum information theory and quantum foundations. T…