叠加相干态的熵压缩特性

Entropic Squeezing Properties of Superposition Coherent States

研究了叠加相干态的位置熵和动量熵的压缩特性,并运用数值方法计论了相干态强度、相位角和叠加参数对叠加相干态位置熵和动量熵压缩特性的影响.结果表明,叠加相干的位置熵和动量熵均可呈现压缩性,熵压缩度与相干态强度、相位角和叠加参数均有关系,相干态的相位角对场熵压缩的影响最大.

We study the position and momentum entropic squeezing for superposotion coherent states in this paper. The influence of coherent state strength,phase angle and superposition coefficect on the spueezing are discussed by numerical calculations. The results show that both the two states exhibit the entropic squeezing. The squeezing is related to the strength of coherent state, phase angle and superposition coefficient,in which the superposition coefficient is the principal facor.