Entanglement Capacity of Nonlocal Hamiltonians : A Geometric Approach

Details Entanglement Capacity of Nonlocal Hamiltonians : A Geometric Approach Entanglement Capacity of Nonlocal Hamiltonians : A Geometric Approach

2009-04-20

arxiv.org/abs/0904.2947v2

Physical Review A 80, 062305 (2009)

Physics

Quantum Physics

8 pages, 1 figures

Scientific paper

We develop a geometric approach to quantify the capability of creating entanglement for a general physical interaction acting on two qubits. We use the entanglement measure proposed by us for $N$-qubit pure states (PRA \textbf{77}, 062334 (2008)). Our procedure reproduces the earlier results (PRL \textbf{87}, 137901 (2001)). The geometric method has the distinct advantage that it gives an experimental way to monitor the process of optimizing entanglement production.

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