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Browsing by Subject "J(1)-J(2) model; concurrence; quantum phase transitions"

Browsing by Subject "J(1)-J(2) model; concurrence; quantum phase transitions"

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  • Eryigit, R; Gunduc, Y (ELSEVIER SCIENCE BV, 2006)
    We study ground-state and thermal pairwise concurrence in one-dimensional frustrated spin-1/2 antiferromagnetic J(1)-J(2) model embedded in a uniform magnetic field. Frustration is found to change the magnetic field ...