Antibunching Effect of the Excited Two-Parameter Deformed Even and Odd Coherent States

JIANG Jun-Qin

Chinese Physics C> 2003, Vol. 27> Issue(1) : 15-18

Antibunching Effect of the Excited Two-Parameter Deformed Even and Odd Coherent States

JIANG Jun-Qin ^,

Department of Physics, Guangdong Institute of Education, Guangzhou 510303, China

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Abstract：
The excited odd qs-coherent state a_qs^+m|α〉_qs^oand excited even qs-coherent state a_qs^+m|α〉_qs^eare constructed. The q,s, and m dependences of the antibunching effect are numerically studied. It is shown that for smallr , the excited even qs-coherent state a_qs^+m|α〉_qs^eexhibits strong antibunching effect but the even qs-coherent state |α〉_qs^eexhibits strong bunching effect; When the q (q≤1) is far from 1,as r2 increase, the second-order qs-correlation function exhibits oscillating phenomenon (i.e. alternates between antibunching effect and bunching effect), whose amplitude and period increase as s and q decrease, but are approximately independent of m; When q→1, the second-order qs-correlation function also exhibits oscillating phenomenon, whose amplitude and period not only increase as 5 decreases but also are dependent on m; In general, the second-order qs -correlation function is more sensitive to s than to q.

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JIANG Jun-Qin. Antibunching Effect of the Excited Two-Parameter Deformed Even and Odd Coherent States[J]. Chinese Physics C, 2003, 27(1): 15-18.

JIANG Jun-Qin. Antibunching Effect of the Excited Two-Parameter Deformed Even and Odd Coherent States[J]. Chinese Physics C, 2003, 27(1): 15-18. shu

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Received: 2002-03-18
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

Antibunching Effect of the Excited Two-Parameter Deformed Even and Odd Coherent States

Corresponding author: JIANG Jun-Qin,

Department of Physics, Guangdong Institute of Education, Guangzhou 510303, China

Received Date: 2002-03-18

Accepted Date: 1900-01-01

Available Online: 2003-01-05

Abstract: The excited odd qs-coherent state a_qs^+m|α〉_qs^oand excited even qs-coherent state a_qs^+m|α〉_qs^eare constructed. The q,s, and m dependences of the antibunching effect are numerically studied. It is shown that for smallr , the excited even qs-coherent state a_qs^+m|α〉_qs^eexhibits strong antibunching effect but the even qs-coherent state |α〉_qs^eexhibits strong bunching effect; When the q (q≤1) is far from 1,as r2 increase, the second-order qs-correlation function exhibits oscillating phenomenon (i.e. alternates between antibunching effect and bunching effect), whose amplitude and period increase as s and q decrease, but are approximately independent of m; When q→1, the second-order qs-correlation function also exhibits oscillating phenomenon, whose amplitude and period not only increase as 5 decreases but also are dependent on m; In general, the second-order qs -correlation function is more sensitive to s than to q.

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Antibunching Effect of the Excited Two-Parameter Deformed Even and Odd Coherent States

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