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Compression mode entangled coherent states formal two components of the canonical distribution

Author: JiangJun
Tutor: ZhangHongBiao
School: Northeast Normal University
Course: Theoretical Physics
Keywords: Dual Quantum entanglement Density matrix Two variable canonical distribution IWOP technology Marginal distribution
CLC: O431.2
Type: Master's thesis
Year: 2009
Downloads: 17
Quote: 0
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Abstract


In recent years, in quantum mechanics have created and developed the technique of integration within an ordered operators ( referred to as IWOP) makes the Dirac notation more perfect, can well express a lot of physical laws , and gradually get the application and promotion , application IWOP technology can construct a new representation, export operator identities , research squeezed coherent states and the completeness of quantum mechanics and turning and other issues, and the development of quantum mechanics transform theory, although this theory involves little literature , but it has penetrated into many areas , in the group representation theory , molecular vibration theory , solid state theory and quantum field theory has some important applications [ 1-4 ] . In the literature [ 20 ] in the use of technology and the similarity transformation IWOP Weyl ordering invariance under illustrates the dual mixed state with an entangled two-component canonical distribution can become normal form , and also analyzes its marginal distribution . This paper presents a complex mode squeezing operator and get the density matrix , and further the literature [ 20 ] conducted a promotion. This paper presents a dual-mode entangled coherent coupling squeezing operator in order to obtain its density matrix , analyzes its entanglement resistance, and then through the use of technology and the similarity transformation IWOP Weyl ordering invariance under study the coherent entangled with double compression mixed- mode two components form the canonical distribution , indicating that the density operator of quantum statistics and mathematical statistics in the density operators were similar , can be processed using mathematical methods , and analyzes the marginal distribution of the variables were calculated. thus the quantum statistics of the density matrix theory and mathematical statistics, the density matrix theory closely linked . For the analysis and conclusions of the literature [ 20 ] comparison can be drawn , the conclusions in this article is more widely used.

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