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We investigate how to generate maximally entangled states in systemscharacterized by the Hamiltonian of the XXZ model with defects. Some proposedquantum computers are described by such model. We show how the defects can beused to obtain EPR states and W states when one or two excitations areconsidered.Comment: 4 pages, 1 figur

physical review. a, atomic, molecular, and optical physics/physical review, a, atomic, molecular, and optical physics

Entanglement in quantum computers described by the<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mi>XXZ</mml:mi></mml:math>model with defects

Entanglement in quantum computers described by theXXZmodel with defects