Asymptotic entanglement capacity of the Ising and anisotropic Heisenberg interactions

Details Asymptotic entanglement capacity of the Ising and anisotropic Heisenberg interactions Asymptotic entanglement capacity of the Ising and anisotropic Heisenberg interactions

2002-07-10

arxiv.org/abs/quant-ph/0207052v2

Quantum Information and Computation 3, 97 (2003)

Physics

Quantum Physics

5 pages, 1 figure; minor corrections, conjecture added

Scientific paper

We compute the asymptotic entanglement capacity of the Ising interaction ZZ,
the anisotropic Heisenberg interaction XX + YY, and more generally, any
two-qubit Hamiltonian with canonical form K = a XX + b YY. We also describe an
entanglement assisted classical communication protocol using the Hamiltonian K
with rate equal to the asymptotic entanglement capacity.

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