Statistic Properties of the Excited Even and Odd q-Coherent States

JIANG Jun-Qin

Chinese Physics C> 2002, Vol. 26> Issue(4) : 331-337

Statistic Properties of the Excited Even and Odd q-Coherent States

JIANG Jun-Qin ^,

Department of Physics, Guangdong Institute of Education, Guangzhou 510303, ChinaCCAST World Laboratory, Beijing 100080, China

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Abstract：
In this paper, the excited odd q-coherent state a+m qα> oq and excited even q-coherent state a+m qα> eq are constructed. The q and m dependences of mean photon number and sub-Poissonian character and antibunching effect are numerically studied. It is shown that when the q is far from 1, the second-order q-correlation function exhibits oscillating phenomenon, whose amplitude and period are independent of m; but the mean photon number and the Mandel Q q parameter increase greatly as m increases; and the sub-Poissonian character is not equivalent to the antibunching effect unless q→1.

References

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JIANG Jun-Qin. Statistic Properties of the Excited Even and Odd q-Coherent States[J]. Chinese Physics C, 2002, 26(4): 331-337.

JIANG Jun-Qin. Statistic Properties of the Excited Even and Odd q-Coherent States[J]. Chinese Physics C, 2002, 26(4): 331-337. shu

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Received: 2001-05-18
Revised: 1900-01-01

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沈阳化工大学材料科学与工程学院沈阳 110142

Statistic Properties of the Excited Even and Odd q-Coherent States

Corresponding author: JIANG Jun-Qin,

Department of Physics, Guangdong Institute of Education, Guangzhou 510303, ChinaCCAST World Laboratory, Beijing 100080, China

Received Date: 2001-05-18

Accepted Date: 1900-01-01

Available Online: 2002-04-05

Abstract: In this paper, the excited odd q-coherent state a+m qα> oq and excited even q-coherent state a+m qα> eq are constructed. The q and m dependences of mean photon number and sub-Poissonian character and antibunching effect are numerically studied. It is shown that when the q is far from 1, the second-order q-correlation function exhibits oscillating phenomenon, whose amplitude and period are independent of m; but the mean photon number and the Mandel Q q parameter increase greatly as m increases; and the sub-Poissonian character is not equivalent to the antibunching effect unless q→1.

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Statistic Properties of the Excited Even and Odd q-Coherent States

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