SU(2)q-奇偶相干叠加态的高阶压缩效应和高阶反聚束效应

Higher-order Squeezing Effect and Higher-order Antibunching Effect of the Superposed States of SU(2)′s Odd and Even q-coherent States

运用q代数进一步计算了在SU(2)q-奇偶相干叠加态下的高阶期望值,通过理论计算与实验研究了其非经典效应.发现其二阶压缩效应无论q取什么值都存在;其高阶反聚束效应由于形变参数的影响具有更加丰富的结构.

Based on a previous paper〔1〕,the higherorder expectation values in the superposed states of SU(2)′s odd and even qcoherent states are calculated in detail,and the nonclassical properties are studied by calculating and ploting.It is found that twoorder squeezing effect always exists in spite of the value of q and higherorder antibunching effects have plentiful structures due to the deformation parameter′s influence.