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Coherent entangled state representation for the common eigenvector of p1-p2 and a1+a2 and its characteristics

Li Hong-Qi Xu Shi-Min Xu Xing-Lei Jiang Ji-Jian

Coherent entangled state representation for the common eigenvector of p1-p2 and a1+a2 and its characteristics

Li Hong-Qi, Xu Shi-Min, Xu Xing-Lei, Jiang Ji-Jian
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  • Received Date:  04 September 2008
  • Accepted Date:  19 October 2008
  • Published Online:  05 March 2009

Coherent entangled state representation for the common eigenvector of p1-p2 and a1+a2 and its characteristics

  • 1. 菏泽学院物理系,菏泽 274015;菏泽学院量子信息与物理计算重点实验室,菏泽 274015

Abstract: The new two mode coherent entangled state representation 1p,β〉 is proposed by the technique of integration within an ordered product of operators. Its characteristics and mechanism are analysed. The results show that, the common eigenvector |p,β〉 of p1-p2 and a1+a2 exhibits both the characteristics of the coherent state and entangled state. The 1|p,β〉 makes up a new quantum mechanical representation and possesses the completeness relation. The ideal single-mode squeezed state |p=0〉2=exp[1/2a+22|0〉2 and the vacuum state |0〉1 overlapping on a beam splitter may produce the coherent entangled state |p,β〉at the output by the modulation of the laser field.

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