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与Λ型三能级原子非共振相互作用的双模压缩真空场的压缩特性
Quantum Properties of Two-Mode Squeezed Vacuum Field Interacting Non-resonantly with a Λ-type Three-level Atom
【摘要】 研究了双模压缩真空场与Λ型三能级原子非共振相互作用系统中场模失谐量δ和光场的初始压缩因子r对光场压缩和场的Cauchy_Schwartz不等式的影响。结果表明:光场呈现出较规则的压缩现象,压缩程度与r、δ明显相关;光场两模间的非经典相关性质随r的增大趋于稳定,失谐量增强光场两模非经典相关的稳定性。
【Abstract】 The influences of detuning δ and initial squeezed light_field factor r on the light squeezing and Cauchy_Schwartz inequality in the system of two_mode squeezing vacuum field interacting non_resonantly with a Λ_type three_level atom is investigated.The results show that the light field is squeezed regularly. The light squeezing level is evidently relative to r and δ. With the increase r, the nonclassical correlation properties between the two mode cavities get steady. The detuning makes the nonclassical correlation degree steady.
【关键词】 双模压缩真空场;
Λ型三能级原子;
光场压缩;
Cauchy-Schwartz不等式;
【Key words】 Two-mode Squeezing vacuum field; Λ-type three-level atom; Light squeezing; Cauchy-Schwartz inequality;
【Key words】 Two-mode Squeezing vacuum field; Λ-type three-level atom; Light squeezing; Cauchy-Schwartz inequality;
- 【文献出处】 江西科学 ,Jiangxi Science , 编辑部邮箱 ,2003年02期
- 【分类号】O431.2
- 【下载频次】31