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Spin squeezed states in a two-dimensional system

机译:二维系统中的自旋压缩态

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摘要

The time-evolution of the spin-component fluctuation in a two-dimensional system is studied by a simple quantization scheme of the xy model. The alternate magnetic fields on the two-dimensional plane can effectively modulate the spin fluctuation, and even enable the system to enter into the squeezed states that the fluctuation is below the level of the vacuum fluctuation. The effect of the quantum fluctuation on the magnetic susceptibility of the two-dimensional system is discussed. (C) 2004 Elsevier B.V. All rights reserved.
机译:通过xy模型的简单量化方案研究了二维系统中自旋分量波动的时间演化。二维平面上的交变磁场可以有效地调节自旋波动,甚至使系统进入波动低于真空波动水平的压缩状态。讨论了量子涨落对二维系统磁化率的影响。 (C)2004 Elsevier B.V.保留所有权利。

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