851 citations · 11.3k across the 104 of their papers we have counts for
4 papers · 2 filters
Entanglement of Assistance is not a bipartite measure nor a tripartite monotone
Gilad Gour, Robert W. Spekkens
The entanglement of assistance quantifies the entanglement that can be generated between two parties, Alice and Bob, given assistance from a third party, Charlie, when the three sh…
A classical analogue of negative information
Jonathan Oppenheim, Robert W. Spekkens, Andreas Winter
Recently, it was discovered that the `quantum partial information' needed to merge one party's state with another party's state is given by the conditional entropy, which can be ne…
Dialogue Concerning Two Views on Quantum Coherence: Factist and Fictionist
Stephen D. Bartlett, Terry Rudolph, Robert W. Spekkens
A controversy that has arisen many times over in disparate contexts is whether quantum coherences between eigenstates of certain quantities are fact or fiction. We present a pedago…
Random subspaces for encryption based on a private shared Cartesian frame
Stephen D. Bartlett, Patrick Hayden, Robert W. Spekkens
A private shared Cartesian frame is a novel form of private shared correlation that allows for both private classical and quantum communication. Cryptography using a private shared…