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

  • The excited odd qs-coherent state aqs+m|α〉qso and excited even qs-coherent state aqs+m|α〉qseare 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 aqs+m|α〉qse exhibits strong antibunching effect but the even qs-coherent state |α〉qse exhibits 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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  • [1] Haret C.Rosu, Carlos Castro. Phys. Lett., 2000, A264:350-3562 Raychev P P, Roussev R P, Smimov Yu F. J. Phys., 1990, G16:1.137; Iwao S. Prog. Them. Phys, 1990, 83:3633 FANG Xiang-Zheng, RUAN Tu-Nan. High Energy Phys. and Nucl. Phys., 2001, 25 : 212-219 ; 2001, 25:315-321(in Chinese)(方向正, 阮图南.高能物理与核物理, 2000,25:212-219; 2001,25:315-321)4 WANG F B, KUANG L M. Phya. Lett., 1992, A169(4):225-2285 RUANG L M, WANG F B.Phys. Lett., 1993, A173(3):221-2276 ZHU Cong-Xu, WANG Fa-Bo, KUANG Le-Man. Acta Physica Sinica,1994、43(8):1262- 1267(in Chinese)(朱从旭, 王发伯, 匡乐满.物理学报, 1994, 43(8):1262-1267)7 WANG Zhong-Qing. Acts Physics Sinica, 2001, 50 (4): 690-692 ( inChinese)(汪仲清.物理学报, 2001, 50(4):690-692)8 ZHOU Huan-Qiang, HE Jing-Song, ZHANG Xin-Ming. High Energy Phys. and Nucl. Phys., 1995, 19:251-257(in Chinese)(周焕强, 贺劲松, 张新明.高能物理与核物理, 1995, 19:251-257)9 WANG Ji-Suo, SUN Chang-Yong, ZHAO Ming-Jian. Acts Optics Sini-ca, 1997, 17(3):293-297(in Chinese)(王继锁, 孙长勇, 赵铭健.光学学报, 1997, 17(3):293-297)10 WANG Zhong-Qing. High Energy Phys. and Nucl. Phys., 2001, 25(12):1158-1164( in Chinese) (汪仲清.高能物理与核物理, 2001, 25(12):1158-1164)11 Agarwal G S, Tara K. Phys. Rev., 1991, A43(1):492-49712 JIANG Jun-Qin. High Energy Phys. and Nucl. Fhys., 2002, 26(4):331-337(in Chinese) (江俊勤.高能物理与核物理, 2002, 26(4):331-337)13 JIANG Jun-Qin. High Energy Phys. and Nucl. Phys., 2002, 26(8):786-790(in Chinese) (江俊勤.高能物理与核物理, 2002, 26(8):786-790)
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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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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

Abstract: The excited odd qs-coherent state aqs+m|α〉qso and excited even qs-coherent state aqs+m|α〉qseare 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 aqs+m|α〉qse exhibits strong antibunching effect but the even qs-coherent state |α〉qse exhibits 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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