Entanglement Capabilities of Nonlocal Hamiltonians
Wolfgang Dür, Guifré Vidal, J. I. Cirac, Noah Linden, Sandu Popescu · Physical Review Letters · 2001
We quantify the capability of creating entanglement for a general physical interaction acting on two qubits. We give a procedure for optimizing the generation of entanglement. We also show that a Hamiltonian can create more entanglement if one uses auxiliary systems.