叠加相干态的熵压缩特性  

Entropic Squeezing Properties of Superposition Coherent States

作　　者：李永平[1] 贺金玉[1] 夏云杰[2] 

机构地区：[1]德州学院物理系,山东德州253023 [2]曲阜师范大学物理系,山东曲阜273165

出　　处：《聊城大学学报（自然科学版）》2003年第4期15-17,26,共4页Journal of Liaocheng University:Natural Science Edition

摘　　要：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.

关 键 词：叠加相干态 熵压缩 动量熵 位置熵 光场压缩效应 熵测不准关系 

分 类 号：O431.2[机械工程—光学工程]