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We investigate the electron dynamic process of a one-dimensional two-electron atom irradiated by strong laser pulse using the improved time-dependent quantum Monte Carlo (TDQMC) scheme. By comparison with the scheme for solving the time-dependent Schrdinger equation by using the accurate numerical integration, the dynamic variation of particle in a quantum ensemble, corresponding to the calculated wave-packet, is consistent with the evolution of time-dependent wavepacket. The computation efficiency of the TDQMC is more largely enhanced than that of the time-dependent integration method. According to the dynamic evolution behaviors of the calculated classical particle ensemble, we analyze the excitation, ionization, recombination of electron and other non-linear processes in a strong laser field.
[1] Agostini P, Fabre F, Mainfray G, Petite G, Rahman N K 1979 Phys. Rev. Lett. 42 1127
[2] Shore B W, Knight P L 1987 J. Phys. B 20 413
[3] Connerade I P, Keitel C H 1996 Phys. Rev. A 53 2748
[4] Kulander K 1987 Phys. Rev. A 35 445
[5] Chen J G, Yang Y J, Yu X P, He L J, Xu Y Y 2011 Acta Phys. Sin. 60 053206 (in Chinese) [陈基根, 杨玉军, 俞旭萍, 何龙君, 徐圆圆 2011 物理学报 60 053206]
[6] Chen J G, Yang Y J, Chen Y 2011 Acta Phys. Sin. 60 033202 (in Chinese) [陈基根, 杨玉军, 陈漾 2011 物理学报 60 033202]
[7] Zeng S L, Zou S Y, Yan J 2009 Chin. Phys. Lett. 26 053202
[8] Zanghellini J, Kitzler M, Fabian C, Brabec T, Scrinzi A 2003 Laser Phys. 13 1064
[9] Runge E, Gross E K U 1984 Phys. Rev. Lett. 52 997
[10] Marques M A L, Gross E K U 2004 Rev. Phys. Chem. 55 427
[11] Ho P J, Panfili R, Haan S L, Eberly J H 2005 Phys. Rev. Lett. 94 093002
[12] Hao W L, Li W D, Liu J, Chen J 2011 Phys. Rev. A 83 053422
[13] Christov I P 2006 Opt. Express 14 6906
[14] Christov I P 2007 New J. Phys. 9 70
[15] Christov I P 2007 J. Chem. Phys. 127 134110
[16] Christov I P 2008 J. Chem. Phys. 129 214107
[17] Christov I P 2006 Appl. Phys. B 85 503
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[1] Agostini P, Fabre F, Mainfray G, Petite G, Rahman N K 1979 Phys. Rev. Lett. 42 1127
[2] Shore B W, Knight P L 1987 J. Phys. B 20 413
[3] Connerade I P, Keitel C H 1996 Phys. Rev. A 53 2748
[4] Kulander K 1987 Phys. Rev. A 35 445
[5] Chen J G, Yang Y J, Yu X P, He L J, Xu Y Y 2011 Acta Phys. Sin. 60 053206 (in Chinese) [陈基根, 杨玉军, 俞旭萍, 何龙君, 徐圆圆 2011 物理学报 60 053206]
[6] Chen J G, Yang Y J, Chen Y 2011 Acta Phys. Sin. 60 033202 (in Chinese) [陈基根, 杨玉军, 陈漾 2011 物理学报 60 033202]
[7] Zeng S L, Zou S Y, Yan J 2009 Chin. Phys. Lett. 26 053202
[8] Zanghellini J, Kitzler M, Fabian C, Brabec T, Scrinzi A 2003 Laser Phys. 13 1064
[9] Runge E, Gross E K U 1984 Phys. Rev. Lett. 52 997
[10] Marques M A L, Gross E K U 2004 Rev. Phys. Chem. 55 427
[11] Ho P J, Panfili R, Haan S L, Eberly J H 2005 Phys. Rev. Lett. 94 093002
[12] Hao W L, Li W D, Liu J, Chen J 2011 Phys. Rev. A 83 053422
[13] Christov I P 2006 Opt. Express 14 6906
[14] Christov I P 2007 New J. Phys. 9 70
[15] Christov I P 2007 J. Chem. Phys. 127 134110
[16] Christov I P 2008 J. Chem. Phys. 129 214107
[17] Christov I P 2006 Appl. Phys. B 85 503
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