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quant-ph2003★ 80 cited
Many copies may be required for entanglement distillation
John Watrous
A mixed quantum state shared between two parties is said to be distillable if, by means of a protocol involving only local quantum operations and classical communication, the two p…
quant-ph2003
Continuous-time quantum walks on the symmetric group
Heath Gerhardt, John Watrous
In this paper we study continuous-time quantum walks on Cayley graphs of the symmetric group, and prove various facts concerning such walks that demonstrate significant differences…