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Quantum dynamics as a physical resource
Michael A. Nielsen, Christopher M. Dawson, Jennifer L. Dodd +6
How useful is a quantum dynamical operation for quantum information processing? Motivated by this question we investigate several strength measures quantifying the resources intrin…
A practical scheme for quantum computation with any two-qubit entangling gate
Michael J. Bremner, Christopher M. Dawson, Jennifer L. Dodd +5
Which gates are universal for quantum computation? Although it is well known that certain gates on two-level quantum systems (qubits), such as the controlled-not (CNOT), are univer…
On the capacities of bipartite Hamiltonians and unitary gates
C. H. Bennett, A. W. Harrow, D. W. Leung +1
We consider interactions as bidirectional channels. We investigate the capacities for interaction Hamiltonians and nonlocal unitary gates to generate entanglement and transmit clas…
A tight lower bound on the classical communication cost of entanglement dilution
Aram Harrow, Hoi-Kwong Lo
Entanglement concentration requires no classical communication, but the best prior art result for diluting to N copies of a partially entangled state requires an amount of communic…