1 code implementation • 19 Jan 2015 • Richard Cleve, Debbie Leung, Li Liu, Chunhao Wang
A unitary 2-design can be viewed as a quantum analogue of a 2-universal hash function: it is indistinguishable from a truly random unitary by any procedure that queries it twice.
Quantum Physics
no code implementations • 25 Apr 2008 • Debbie Leung, Ben Toner, John Watrous
We show that any number of parties can coherently exchange any one pure quantum state for another, without communication, given prior shared entanglement.
Quantum Physics
