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Information Journal Paper

Title

ENTANGLEMENT IN THE XZ SPIN CHAIN MODEL IN THE EXTERNAL MAGNETIC FIELD

Pages

  105-112

Abstract

 The ENTANGLEMENT at zero-temperature is studied in a two-qubit XZ SPIN-1.2 CHAIN MODEL in an EXTERNAL MAGNETIC FIELD which is applied in the z direction. We have obtained an analytical relation for the effect of the EXTERNAL MAGNETIC FIELD on the concurrence. It is shown that the ground state of the system depends on the strength of exchange coupling. We have shown that the analytical relation of the concurrence is independent of Jz. It is shown that for Jz >0 the concurrence is depended on the critical value of the EXTERNAL MAGNETIC FIELD and it is changed at the critical EXTERNAL MAGNETIC FIELD. Also we have shown that for h <hc the concurrence is maximum (C=1) or states of the system are maximally entangled. For values of the field h>hc, the concurrence decreases by increasing the EXTERNAL MAGNETIC FIELD. For Jz <0, the concurrence decreases by increasing the EXTERNAL MAGNETIC FIELD.

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    • Cite

    APA: Copy

    SOHEILIAN, F., SOLTANI, M.R., FIROOZI, M., & HOSSEINI, S.A.. (2014). ENTANGLEMENT IN THE XZ SPIN CHAIN MODEL IN THE EXTERNAL MAGNETIC FIELD. JOURNAL OF PHYSICAL AND THEORETICAL CHEMISTRY, 11(3), 105-112. SID. https://sid.ir/paper/649030/en

    Vancouver: Copy

    SOHEILIAN F., SOLTANI M.R., FIROOZI M., HOSSEINI S.A.. ENTANGLEMENT IN THE XZ SPIN CHAIN MODEL IN THE EXTERNAL MAGNETIC FIELD. JOURNAL OF PHYSICAL AND THEORETICAL CHEMISTRY[Internet]. 2014;11(3):105-112. Available from: https://sid.ir/paper/649030/en

    IEEE: Copy

    F. SOHEILIAN, M.R. SOLTANI, M. FIROOZI, and S.A. HOSSEINI, “ENTANGLEMENT IN THE XZ SPIN CHAIN MODEL IN THE EXTERNAL MAGNETIC FIELD,” JOURNAL OF PHYSICAL AND THEORETICAL CHEMISTRY, vol. 11, no. 3, pp. 105–112, 2014, [Online]. Available: https://sid.ir/paper/649030/en

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