Abstract
Abstract The thermal entanglement in an anisotropic Heisenberg XXZ spin chain is investigated under a positive rotation wave magnetic field in this paper. Results show that thermal quantum correlation can be effectively controlled under an inhomogeneous magnetic field. Within inhomogeneous magnetic field limits, a relatively stable area, in which a thermal quantum correlate value is almost unconnected with the spin coupling coefficient in z direction, can be formed. By controlling the magnetic field intensity or the spin coupling coefficient in x and y directions, we can regulate this area's corresponding thermal quantum correlation value and efficiently avoid the phenomenon that thermal quantum correlation be zero. The thermal will increase first then decrease in a certain temperature range under a high magnetic with better uniformity.
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