周期量级激光脉冲驱动下非次序双电离的三维经典系综模拟

汤清彬; 张东玲; 余本海; 陈东

doi:10.7498/aps.59.7775

摘要

利用三维经典系综模型研究了周期量级激光脉冲驱动的氩原子非次序双电离,所得结果表明,Ar2+离子的纵向动量分布与载波包络相位有很强的依赖关系,随载波包络相位φ的增加,具有不对称双峰结构的离子纵向动量分布重心从负动量转移到正动量,并且φ每改变π时Ar2+离子的纵向动量呈现相反的分布.在重碰撞过程中核与电子之间的库仑势发生变化后,计算得到的Ar2+离子纵向动量分布随载波包络相位的变化与实验结果定量上一致.

关键词:

Abstract

A three-dimensional classical micro-canonical model is used to investigate the ion momentum distributions of Ar atom in nonsequential double ionization with a few-cycle laser pulse. It is found that the momentum distribution has a strong dependence on the carrier-envelope phase of the few-cycle pulse. The centre of gravity of the asymmetry distribution shifts from negative to positive ion momenta with carrier-envelope phase increasing and it is reversed when the carrier-envelope phase changes by π. The momentum distributions of the Ar2+ ion show excellent agreement with the experimental results when we take into account the change in Coulomb potential between the nucleus and electron in the recollision process.

Keywords:

作者及机构信息

1.
信阳师范学院物理电子工程学院,信阳 464000

基金项目: 河南省科技计划(批准号: 082300410050, 10230041005),河南省高等学校青年骨干教师资助计划,河南省教育厅自然科学研究计划(批准号:2009A140006)资助的课题.

Authors and contacts

1.
College of Physics and Electronic Engineering, Xinyang Normal University, Xinyang 464000 China

参考文献

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[27]	Paulus G G, Lindner F, Walther H, Baltuska A, Goulielmakis E, Lezius M, Krausz F 2003 Phys. Rev. Lett. 91 253004
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施引文献

[1]	Huillier A, Lompre L A, Mainfray G, Manus C 1983 Phys. Rev. A 27 2503
[2]	Walker B, Sheehy B, DiMauro L F, Agostini P, Schafer K J, Kulander K C 1994 Phys. Rev. Lett. 73 1227
[3]	Liu X, Rottke H, Eremina E, Sandner W, Goulielmakis E, Keeffe K O, Lezius M, Krausz F, Lindner F, Schatzel M G, Paulus G G, Walther H 2004 Phys. Rev. Lett. 93 263001
[4]	Liao Q, Lu P X, Zhang Q B, Yang Z Y, Wang X B 2008 Opt. Express 16 17070
[5]	Lein M, Gross E K U, Engel V 2000 Phys. Rev. Lett. 85 4707
[6]	Zhou Y M, Liao Q, Lu P X 2009 Phys. Rev. A 80 023412
[7]	Weber T, Weckenbrock M, Staudte A, Spielberger L, Jagutzki O, Mergel V, Afaneh F, Urbasch G, Vollmer M, Giessen H, Drner R 2000 Phys. Rev. Lett. 84 443
[8]	Weber T, Giessen H, Weckenbrock M, Urbasch G, Staudte A, Spielberger L, Jagutzki O, Mergel V, Vollmer M, Dorner R 2000 Nature 405 658
[9]	Feuerstein B, Moshammer R, Fischer D, Dorn A, Schrter C D, Deipenwisch J, Crespo Lopez-Urrutia J R, Hhr C, Neumayer P, Ullrich J, Rottke H, Trump C, Wittmann M, Korn G, Sandner W 2001 Phys. Rev. Lett. 87 043003
[10]	Corkum P B 1993 Phys. Rev. Lett. 71 1994
[11]	Watson J B, Sanpera A, Lappas D G, Knight P L, Burnett K 1997 Phys.Rev. Lett. 78 1884
[12]	Lein M, Gross E K U, Engel V 2000 Phys. Rev. Lett. 85 4707
[13]	Morisson Faria C F, Liu X, Becker W 2004 Phys. Rev. A 69 021402
[14]	Haan S L, Van Dyke J S, Smith Z S 2008 Phys. Rev. Lett. 101 113001
[15]	Cavalieri A L, Goulielmakis E, Horvath B, Helml W, Schultze M, Fieβ M, Pervak V, Veisz L, Yakovlev V S, Uiberacker M, Apolonski A, Krausz F, Kienberger R, 2007 New. J. Phys. 9 242
[16]	Cao W, Lu P X, Lan P F, Wang X L, Li Y H 2007 Phys. Rev. A 75 063423
[17]	Lan P F, Lu P X, Cao W, Li Y H, Wang X L 2007 Phys.Rev. A 76 021801
[18]	Cao W, Lu P X, Lan P F, Wang X L, Yang G 2007 Opt. Express 15 530
[19]	Lan P F, Lu P X, Cao W, 2007 Acta Phys. Sin. 56 2482 (in Chinese) [兰鹏飞、陆培祥、曹伟 2007 56 2482]
[20]	Spielmann C, Burnett N H, Sartania S, Koppitsch R, Schnürer M, Kan C, Lenzner M, Wobrauschek P, Krausz F 1997 Science 278 661
[21]	Lan P F, Lu P X, Cao W, Wang X L 2005 Phys. Rev. E 72 016622
[22]	Cao W, Lu P X, Lan P F, Wang X L, Yang G, Li Y H 2007 Phys. Rev. A 75 063423
[23]	Hong W Y,Lu P X, Lan P F, Zhang Q B, Wang X B 2009 Opt. Express 17 5139
[24]	Lan P F, Lu P X, Li F, Li Y H, Yang Z Y 2008 Opt. Express 16 5868
[25]	Zhang Q B, Lan P F, Hong W Y, Liao Q, Yang Z Y, Lu P X 2009 Acta Phys. Sin. 58 4908 (in Chinese) [张庆彬、兰鹏飞、洪伟毅、廖青、杨振宇、陆培祥 2009 58 4908]
[26]	Liao Q, Lu P X, Lan P F, Cao W, Li Y H 2008 Phys. Rev. A 77 013408
[27]	Paulus G G, Lindner F, Walther H, Baltuska A, Goulielmakis E, Lezius M, Krausz F 2003 Phys. Rev. Lett. 91 253004
[28]	Liao Q, Lu P X, Lan P F, Yang Z Y, Li Y H 2008 Opt. Express 16 6455
[29]	Li H Y, Chen J, Jiang H B, Liu J,Fu P M, Gong Q H, Yan Z C,Wang B B 2009 J. Phys. B 42 125601
[30]	Liao Q, Lu P X, Zhang Q B, Hong W Y, Yang Z Y 2008 J. Phys. B 41 125601
[31]	Zhou Y M, Liao Q, Lan P F Lu P X 2008 Chin. Phys. Lett. 25 3950
[32]	Kreβ M, Loffler T, Thomson M D, Dorner R, Gimpel H, Zrost K, Ergler T, Moshammer R, Morgner U, Ullrich J, Roskos H 2006 Nature Phys. 2 327
[33]	Haan S L, Breen L, Karim A 2007 Opt. Express 15 767
[34]	Becker A, Drner R, Moshammer R 2005 J. Phys. B 38 S753

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