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利用玻色产生算符的逆算符及玻色湮没算符作用于压缩真空态来构造减光子压缩真空态,并通过计算减光子压缩真空态的二阶关联函数来讨论它们的光子反群聚性质。数值计算结果表明,在两种情况下所得到的减光子压缩真空态当湮没光子数k为奇数时均呈现出群聚效应,而当k为偶数时呈现反群聚效应。所呈现的反群聚效应对应的压缩参量η的取值区间与湮没的光子数k有关,在玻色产生算符的逆算符的作用下随着k的增加,反群聚效应对应的压缩参量η的取值区间扩大,在玻色湮没算符作用下则相反。同时,作出二阶关联函数随压缩参量η变化的曲线来描述减光子压缩真空态所呈现的反群聚效应的变化特性。
The photon anti-clustering properties are discussed by using the inverse operators of the Bose-producing operators and the operator of Bose annihilation acting on the squeezed vacuum state to create the photon-squeezed vacuum state and calculate the second order correlation function of the photon-reduced vacuum state . The numerical results show that the squeezed-photon squeezed vacuum states exhibit clustering effects when the number of annihilation photons k is odd number, and anti-clustering effect when k is even number. The value of the compression parameter η corresponding to the anti-clustering effect presented is related to the annihilation photon number k. With the increase of k under the effect of the inverse operator of the Bose-producing operator, the compression parameter corresponding to the anti-clustering effect The range of η expands, which is the opposite under the Bose annihilation operator. At the same time, the curve of the second order correlation function with the change of the compression parameter η is described to describe the variation of the anti-clustering effect exhibited by the photon-sinking vacuum state.