非均匀磁场中两个引力猫态的局域量子不确定性
Local quantum uncertainty of two gravitational cat states in inhomogeneous magnetic field
摘要：
研究了两个引力猫态在非均匀磁场作用下的局域量子关联（LQU），包括纠缠。我们从与所选系统相关的物理量导出LQU表达式。我们的研究结果表明，温度，磁场，和磁场的不均匀性可能都发挥了一定的作用，在确定的复杂程度之间的gravcats。此外，这些结论表明，热LQU捕获比纠缠更强的量子关联。特别是低外部磁场水平结合低场不均匀性或高温域。此外，我们还得到了在大的场不均匀性下态的可分性。此外，所获得的状态的相关性是最大的小磁场值在低温下。最后，我们注意到，当基本能级和第一激发能级之间的间隙变大时，态的系统变得非纠缠和可分离。
英文摘要：
This paper investigates the local quantum correlations (LQU), including entanglement, of two gravitational cat states subjected to an inhomogeneous magnetic field. We derived the LQU expression from the physical quantities associated with the selected system. Our findings suggest that temperature, magnetic field, and magnetic field inhomogeneity may all play a role in determining the degree of intricacy between the gravcats to some extent. Furthermore, these conclusions suggest that the thermal LQU captures a stronger quantum correlation than the entanglement. Especially true for low external magnetic field levels combined with low field inhomogeneity or high-temperature domains. Besides, we obtained the states' separability for large values of field inhomogeneity. Moreover, the correlation of the states obtained is maximal for small magnetic field values at low temperatures. Finally, we note that the state's systems become non-entangled and separable when the gap between the fundamental level and the first excited level becomes large.
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