Thermal entanglement in two-qutrit spin-1 anisotropic Heisenberg model with inhomogeneous magnetic field |
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| Authors: | Erhan Albayrak |
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| Affiliation: | Erciyes University, Department of Physics, 38039 Kayseri, Turkey |
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| Abstract: | The thermal entanglement of a two-qutrit spin-1 anisotropic Heisenberg XXZ chain in an inhomogeneous magnetic field is studied in detail. The effects of the external magnetic field (B), a parameter b which controls the inhomogeneity of B, and the bilinear interaction parameters Jx=Jy≠Jz on the thermal variation of the negativity are studied in detail. It is found that negativity N decreases when the values of magnetic field, inhomogeneity b and temperature are increasing. In addition, N remains at higher temperatures for higher values of Jz and lower values of B and b. |
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| Keywords: | negativity XXZ model thermal entanglement qutrit spin-1 magnetic field |
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