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Amplitude-Nth-power squeezing of PB phase coherent states

Journal of Harbin Institute of Technology(New Series) 2004年第3期11卷 281-285页

作者：马志民马爱群陈国恒刘树田冯立峰 Physics Dept. of Hulan School Harbin Normal UniversityHarbin 150500China Dept. of Physics ZaoZhuang Teacher’s CollegeZaozhuang. 277100 China .Zhuhai Polytechnic Zhuhai 519015China Dalian Railway Institute Dalian 160020China Dept. of Physics Harbin Institute of TechnologyHarbin 150001China

PB Phase Coherent States are very important quantum states in quantum optics. In order to investigate the amplitude-Nth-power squeezing of PB Phase Coherent States, we introduce the algebraic properties of the PB phase operator and the PB Phase Coherent States which are constructed by PB phase theory. We applied amplitude-Nth-power squeezing theory to define the Amplitude-Nth-Power Squeezing of PB Phase Coherent States and investigate the characteristic of the amplitude-Nth-power squeezing of PB Phase Coherent States. We obtained surprising results, in that the results were different from the other quantum states. As for |Z〉(PB Phase Coherent State), the results show that when Z is a real number there only exists amplitude-Nth-power squeezing of component; when Z is a complex number, there exists amplitude-Nth-power squeezing of component and component; when Z is a pure imaginary number, if N is odd, then there does not exist amplitude-Nth-power squeezing of component, but there exists amplitude-Nth-power squeezing of component and if N is even, then there exists amplitude-Nth-power squeezing of component, but there does not exist amplitude-Nth-power squeezing of component.

关键词： PB phase operator algebraic property PB phase coherent state Nth-power squeezing.

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Some Interesting Results about Splitting

Some Interesting Results about Splitting

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2010 Third International Conference on Education Technology and Training (ETT 2010)

作者： Maonian Wu College of Science Guizhou University Guiyang Guizhou Province China

logic programming, a primary means for repre- senting and reasoning about knowledge, has been applying in many domains. For instance, representing and Managing about Information Technology ＆ Engineering and knowledge. It is complex to compute the answer set of a logic programming. In order to decrease the task of computation, researchers naturally divide a big problem into many independent small problems. One useful method is splitting technology in logic programming proposed by Lifschitz. We show in this paper some interesting algebraic properties of splitting over logic programming.

关键词： logic programming splitting algebraic property information technology & engineering.

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