两个正交自旋分量的同时挤压

Journal of optics. B, Quantum and semiclassical optics : journal of the European Optical Society Pub Date : 2005-11-23 DOI:10.1088/1464-4266/7/12/046

H. Prakash, Rakesh Kumar

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引用次数: 17

摘要

考虑到三个相互垂直的自旋分量(Sx, Sy, SZ)的三分量(Sx, Sy, SZ)的对易关系[Sx,Sy] = i SZ，通常讨论x和y分量(Sx和Sy)的自旋压缩。我们推广并讨论了自旋分量Sθ = Sxcosθ+Sysinθ的压缩，考虑了所有可能的三元组，其中包括Sθ。对于两个激发态二能级原子与单模相干辐射相互作用的显式例子，我们发现Sθ和Sθ+π/2可以同时被压缩。

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Simultaneous squeezing of two orthogonal spin components

Squeezing of spin is usually discussed for x and y components (Sx and Sy), considering the commutation relation [Sx,Sy] = i SZ for the triad (Sx, Sy, SZ) of three mutually perpendicular spin components. We generalize and discuss squeezing of the spin component Sθ = Sxcosθ+Sysinθ considering all possible such triads, which include Sθ. For an explicit example involving the interaction of an assembly of two excited two-level atoms with single-mode coherent radiation, we find that Sθ and Sθ+π/2 can be squeezed simultaneously.

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Journal of optics. B, Quantum and semiclassical optics : journal of the European Optical Society

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