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Mixed Squeezing for a Pair of Two-Mode Squeezed States
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作者 FAN Hong-Yi liu nai-le 《Chinese Physics Letters》 SCIE CAS CSCD 2001年第3期322-324,共3页
Based on the neat<η|representation of two-mode squeezing operator which entangles signal-mode and idle-mode,where<η|is the common eigenvector of two particles'relative position and the total momentum exhib... Based on the neat<η|representation of two-mode squeezing operator which entangles signal-mode and idle-mode,where<η|is the common eigenvector of two particles'relative position and the total momentum exhibiting a maximal entanglement between the two modes,we study some kind of squeezing mixing 1-3 modes and 2-4 modes for a pair of two-mode(1-2 modes and 3-4 modes)squeezed states.The explicit form of such mixed squeezed states is derived and the new entanglement is analysed. 展开更多
关键词 MOMENTUM MAXIMAL MIXING
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Differential Completeness Relation in Two-Mode Mass-Weighted |ξ〉- |τ〉Representations
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作者 FAN Hong-yi liu nai-le 《Chinese Physics Letters》 SCIE CAS CSCD 1999年第9期625-627,共3页
The explicit form of the common eigenstates|τ〉of the mass-weighted relative coordinateμ2Q1-μ1Q2 and the mass-combinatorid momentumμ1P1+μ2P2 of two particles is given.On the basis of|τ〉and their conjugate stat... The explicit form of the common eigenstates|τ〉of the mass-weighted relative coordinateμ2Q1-μ1Q2 and the mass-combinatorid momentumμ1P1+μ2P2 of two particles is given.On the basis of|τ〉and their conjugate states|ξ〉,we find that there exist new differential completeness relations(DCR).The applications of the new DCR in deriving the normally ordered two-mode squeezing operators for the mass-related coordinates and momenta are demonstrated.Throughout the discussion the technique of differentiation within an ordered product of operators is fully employed. 展开更多
关键词 OPERATORS ORDERED CONJUGATE
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Squeezing for n-Mode Quadratures Studied by Integration Within an Ordered Product Technique
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作者 FAN Hong-yi liu nai-le 《Chinese Physics Letters》 SCIE CAS CSCD 1999年第7期472-474,共3页
The squeezing operator S^(n) and the corresponding squeezed state|0>s for n-mode quadrature operators are founded.The normally ordered form of S^(n) is derived by means of the technique of integration within an ord... The squeezing operator S^(n) and the corresponding squeezed state|0>s for n-mode quadrature operators are founded.The normally ordered form of S^(n) is derived by means of the technique of integration within an ordered product of operators.Moreover,the existence of higher-order squeezing for n-mode quadratures in the state|0>s is demonstrated. 展开更多
关键词 ORDERED QUADRATURE operators
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