C. Figueira de Morisson Faria, H. Schomerus, X. Liu, and W. Becker “Electron-electron dynamics in laser-induced nonsequential double ionization,” Phys. Rev. A 69, 043405 (2004).

[CrossRef]

E. Ereminaet al. “Laser-induced non-sequential double ionization investigated at and below the threshold for electron impact ionization,” J. Phys. B: At. Mol. Opt. Phys. 36, 3269–3280 (2003).

[CrossRef]

J. S. Parker, B.J.S. Doherty, K.J. Meharg, and K.T. Taylor, “Time delay between singly and doubly ionizing wavepackets in laser-driven helium,” J. Phys. B 36, L393 (2003).

[CrossRef]

R. Panfili, S. L. Haan, and J. H. Eberly, “Dynamics of classical slow-down collisions in non-sequential double ionization,” Phys. Rev. Lett. 89, 113001 (2002).

[CrossRef]
[PubMed]

S. L. Haan, P. S. Wheeler, R. Panfili, and J. H. Eberly, “Origin of correlated electron emission in double ionization of atoms,” Phys. Rev. A 66, 061402(R) (2002).

[CrossRef]

R. Dörner, Th. Weber, M. Weckenbrock, A. Staudte, M. Hattass, R. Moshammer, J. Ulrich, and H. Schmidt-Böcking, “Multiple Ionization in Strong Laser Fields,” Advances in Atomic, Molecular, and Optical Physics 48, 1–35 (2002).

[CrossRef]

R. Panfili, J. H. Eberly, and S. Haan, “Comparing classical and quantum simulations of strong-field double ionization,” Opt. Express 8, 431–435 (2001). http://www.opticsexpress.org/oearchive/source/31132.htm

[CrossRef]
[PubMed]

A.M. Popov, O.V. Tikhonova, and E.A. Volkova, “Mechanisms of double-electron ionization of atomic systems in a strong laser field,” Opt. Express 8, 441–446 (2001).

[CrossRef]
[PubMed]

S. L. Haan, K. Hoekema, S. Poniatowski, W.-C. Liu, and J. H. Eberly, “Directional correlation in direct and sequential double ionization of model atoms,” Opt. Express 7, 29–38 (2000). http://www.opticsexpress.org/oearchive/21863.htm

[CrossRef]
[PubMed]

Th. Weberet al., “Recoil-Ion Momentum Distributions for Single and Double Ionization of Helium in Strong Laser Fields,” Phys. Rev. Lett. 84, 443 (2000).

[CrossRef]
[PubMed]

R. Moshammeret al., “Momentum Distributions of Nen+ Ions Created by an Intense Ultrashort Laser Pulse,” Phys. Rev. Lett. 84, 447 (2000).

[CrossRef]
[PubMed]

A. Becker and F.H.M. Faisal, “Interpretation of momentum distribution of recoil ions from laser induced nonsequential double ionization,” Phys. Rev. Lett. 84, 3546 (2000).

[CrossRef]
[PubMed]

H.W. van der Hart and K. Burnett, “Recollision model for double ionization of atoms in strong lasser fields,” Phys. Rev. A 62, 013407 (2000).

[CrossRef]

W. -C. Liu, J. H. Eberly, S. L. Haan, and R. Grobe, “Correlation Effects in Two-Electron Model Atoms in Intense Laser Fields,” Phys. Rev. Lett. 83, 520–523 (1999).

[CrossRef]

D. Bauer, “Two-dimensional, two-electron model atom in a laser pulse: Exact treatment, single-activie-electron analysis, time-dependent density-functional theory, classical calculations, and nonsequential ionization,” Phys. Rev. A 56, 3028–3039 (1997).

[CrossRef]

J.B. Watson, A. Sanpera, D.G. Lappas, P.L. Knight, and K. Burnett, “Nonsequentiall Double Ionization of Helium,” Phys. Rev. Lett. 78, 1884–1887 (1997).

[CrossRef]

F. H. M. Faisal and A. Becker, “Nonsequential double ionization: mechanism and model formula,” Laser Phys. 7, 684 (1997).

K.C. Kulander, J. Cooper, and K.H. Schafer, “Laser-assisted inelastic rescattering during above-threshold ionization,” Phys. Rev. A 51, 561 (1995).

[CrossRef]
[PubMed]

B. Walker, B. Sheehy, L. F. DiMauro, P. Agostini, K. J. Schafer, and K. C. Kulander, “Precision measurement of strong field double ionization of helium,” Phys. Rev. Lett. 73, 1227–1230 (1994).

[CrossRef]
[PubMed]

P. B. Corkum, “Plasma perspective on strong field multiphoton ionization,” Phys. Rev. Lett. 71, 1994–1997 (1993).

[CrossRef]
[PubMed]

K. J. Schafer, B. Yang, L. F. DiMauro, and K. C. Kulander, “Above threshold ionization beyond the high harmonic cutoff,” Phys. Rev. Lett. 70, 1599–1602 (1993).

[CrossRef]
[PubMed]

D. N. Fittinghof, P. R. Bolton, B. Chang, and K. C. Kulander, “Observation of nonsequential double ionization of helium with optical tunneling,” Phys. Rev. Lett. 69, 2642–2645 (1992).

[CrossRef]

R. Grobe and J.H. Eberly, “Photoelectron spectra for a two-electron system in a strong laser field,” Phys. Rev. Lett. 68, 2905–2908 (1992).

[CrossRef]
[PubMed]

J. Javanainen, J.H. Eberly, and Qichang Su, “Numerical simulations of multiphoton ionization and above-threshold electron spectra,” Phys. Rev. A 38, 3430–3446 (1988).

[CrossRef]
[PubMed]

R. Heather and H. Metiu, “An efficient procedure for calculating the evolution of the wave function by fast Fourier transform methods for systems with spatially extended wave function and localized potential,” J. Chem. Phys. 86, 5009–5017 (1987).

[CrossRef]

M.V. Ammosov, N.B. Delone, and V.P. Krainov, “Tunnel ionization of complex atoms and of atomic ions in an alternating electromagnetic field,” Sov. Phys. JETP 64, 1191 (1986).

B. Walker, B. Sheehy, L. F. DiMauro, P. Agostini, K. J. Schafer, and K. C. Kulander, “Precision measurement of strong field double ionization of helium,” Phys. Rev. Lett. 73, 1227–1230 (1994).

[CrossRef]
[PubMed]

M.V. Ammosov, N.B. Delone, and V.P. Krainov, “Tunnel ionization of complex atoms and of atomic ions in an alternating electromagnetic field,” Sov. Phys. JETP 64, 1191 (1986).

D. Bauer, “Two-dimensional, two-electron model atom in a laser pulse: Exact treatment, single-activie-electron analysis, time-dependent density-functional theory, classical calculations, and nonsequential ionization,” Phys. Rev. A 56, 3028–3039 (1997).

[CrossRef]

A. Becker and F.H.M. Faisal, “Interpretation of momentum distribution of recoil ions from laser induced nonsequential double ionization,” Phys. Rev. Lett. 84, 3546 (2000).

[CrossRef]
[PubMed]

F. H. M. Faisal and A. Becker, “Nonsequential double ionization: mechanism and model formula,” Laser Phys. 7, 684 (1997).

C. Figueira de Morisson Faria, H. Schomerus, X. Liu, and W. Becker “Electron-electron dynamics in laser-induced nonsequential double ionization,” Phys. Rev. A 69, 043405 (2004).

[CrossRef]

D. N. Fittinghof, P. R. Bolton, B. Chang, and K. C. Kulander, “Observation of nonsequential double ionization of helium with optical tunneling,” Phys. Rev. Lett. 69, 2642–2645 (1992).

[CrossRef]

H.W. van der Hart and K. Burnett, “Recollision model for double ionization of atoms in strong lasser fields,” Phys. Rev. A 62, 013407 (2000).

[CrossRef]

J.B. Watson, A. Sanpera, D.G. Lappas, P.L. Knight, and K. Burnett, “Nonsequentiall Double Ionization of Helium,” Phys. Rev. Lett. 78, 1884–1887 (1997).

[CrossRef]

D. N. Fittinghof, P. R. Bolton, B. Chang, and K. C. Kulander, “Observation of nonsequential double ionization of helium with optical tunneling,” Phys. Rev. Lett. 69, 2642–2645 (1992).

[CrossRef]

K.C. Kulander, J. Cooper, and K.H. Schafer, “Laser-assisted inelastic rescattering during above-threshold ionization,” Phys. Rev. A 51, 561 (1995).

[CrossRef]
[PubMed]

P. B. Corkum, “Plasma perspective on strong field multiphoton ionization,” Phys. Rev. Lett. 71, 1994–1997 (1993).

[CrossRef]
[PubMed]

M.V. Ammosov, N.B. Delone, and V.P. Krainov, “Tunnel ionization of complex atoms and of atomic ions in an alternating electromagnetic field,” Sov. Phys. JETP 64, 1191 (1986).

B. Walker, B. Sheehy, L. F. DiMauro, P. Agostini, K. J. Schafer, and K. C. Kulander, “Precision measurement of strong field double ionization of helium,” Phys. Rev. Lett. 73, 1227–1230 (1994).

[CrossRef]
[PubMed]

K. J. Schafer, B. Yang, L. F. DiMauro, and K. C. Kulander, “Above threshold ionization beyond the high harmonic cutoff,” Phys. Rev. Lett. 70, 1599–1602 (1993).

[CrossRef]
[PubMed]

J. S. Parker, B.J.S. Doherty, K.J. Meharg, and K.T. Taylor, “Time delay between singly and doubly ionizing wavepackets in laser-driven helium,” J. Phys. B 36, L393 (2003).

[CrossRef]

R. Dörner, Th. Weber, M. Weckenbrock, A. Staudte, M. Hattass, R. Moshammer, J. Ulrich, and H. Schmidt-Böcking, “Multiple Ionization in Strong Laser Fields,” Advances in Atomic, Molecular, and Optical Physics 48, 1–35 (2002).

[CrossRef]

S. L. Haan, P. S. Wheeler, R. Panfili, and J. H. Eberly, “Origin of correlated electron emission in double ionization of atoms,” Phys. Rev. A 66, 061402(R) (2002).

[CrossRef]

R. Panfili, S. L. Haan, and J. H. Eberly, “Dynamics of classical slow-down collisions in non-sequential double ionization,” Phys. Rev. Lett. 89, 113001 (2002).

[CrossRef]
[PubMed]

R. Panfili, J. H. Eberly, and S. Haan, “Comparing classical and quantum simulations of strong-field double ionization,” Opt. Express 8, 431–435 (2001). http://www.opticsexpress.org/oearchive/source/31132.htm

[CrossRef]
[PubMed]

S. L. Haan, K. Hoekema, S. Poniatowski, W.-C. Liu, and J. H. Eberly, “Directional correlation in direct and sequential double ionization of model atoms,” Opt. Express 7, 29–38 (2000). http://www.opticsexpress.org/oearchive/21863.htm

[CrossRef]
[PubMed]

W. -C. Liu, J. H. Eberly, S. L. Haan, and R. Grobe, “Correlation Effects in Two-Electron Model Atoms in Intense Laser Fields,” Phys. Rev. Lett. 83, 520–523 (1999).

[CrossRef]

S. L. Haan, N. Hoekema, R. Panfili, and J. H. Eberly, “Exploration of Double Ionization Using Wavefunction Masking,” manuscript in preparation.

R. Grobe and J.H. Eberly, “Photoelectron spectra for a two-electron system in a strong laser field,” Phys. Rev. Lett. 68, 2905–2908 (1992).

[CrossRef]
[PubMed]

J. Javanainen, J.H. Eberly, and Qichang Su, “Numerical simulations of multiphoton ionization and above-threshold electron spectra,” Phys. Rev. A 38, 3430–3446 (1988).

[CrossRef]
[PubMed]

E. Ereminaet al. “Laser-induced non-sequential double ionization investigated at and below the threshold for electron impact ionization,” J. Phys. B: At. Mol. Opt. Phys. 36, 3269–3280 (2003).

[CrossRef]

F. H. M. Faisal and A. Becker, “Nonsequential double ionization: mechanism and model formula,” Laser Phys. 7, 684 (1997).

A. Becker and F.H.M. Faisal, “Interpretation of momentum distribution of recoil ions from laser induced nonsequential double ionization,” Phys. Rev. Lett. 84, 3546 (2000).

[CrossRef]
[PubMed]

C. Figueira de Morisson Faria, H. Schomerus, X. Liu, and W. Becker “Electron-electron dynamics in laser-induced nonsequential double ionization,” Phys. Rev. A 69, 043405 (2004).

[CrossRef]

D. N. Fittinghof, P. R. Bolton, B. Chang, and K. C. Kulander, “Observation of nonsequential double ionization of helium with optical tunneling,” Phys. Rev. Lett. 69, 2642–2645 (1992).

[CrossRef]

W. -C. Liu, J. H. Eberly, S. L. Haan, and R. Grobe, “Correlation Effects in Two-Electron Model Atoms in Intense Laser Fields,” Phys. Rev. Lett. 83, 520–523 (1999).

[CrossRef]

R. Grobe and J.H. Eberly, “Photoelectron spectra for a two-electron system in a strong laser field,” Phys. Rev. Lett. 68, 2905–2908 (1992).

[CrossRef]
[PubMed]

R. Panfili, S. L. Haan, and J. H. Eberly, “Dynamics of classical slow-down collisions in non-sequential double ionization,” Phys. Rev. Lett. 89, 113001 (2002).

[CrossRef]
[PubMed]

S. L. Haan, P. S. Wheeler, R. Panfili, and J. H. Eberly, “Origin of correlated electron emission in double ionization of atoms,” Phys. Rev. A 66, 061402(R) (2002).

[CrossRef]

S. L. Haan, K. Hoekema, S. Poniatowski, W.-C. Liu, and J. H. Eberly, “Directional correlation in direct and sequential double ionization of model atoms,” Opt. Express 7, 29–38 (2000). http://www.opticsexpress.org/oearchive/21863.htm

[CrossRef]
[PubMed]

W. -C. Liu, J. H. Eberly, S. L. Haan, and R. Grobe, “Correlation Effects in Two-Electron Model Atoms in Intense Laser Fields,” Phys. Rev. Lett. 83, 520–523 (1999).

[CrossRef]

S. L. Haan, N. Hoekema, R. Panfili, and J. H. Eberly, “Exploration of Double Ionization Using Wavefunction Masking,” manuscript in preparation.

H.W. van der Hart and K. Burnett, “Recollision model for double ionization of atoms in strong lasser fields,” Phys. Rev. A 62, 013407 (2000).

[CrossRef]

R. Dörner, Th. Weber, M. Weckenbrock, A. Staudte, M. Hattass, R. Moshammer, J. Ulrich, and H. Schmidt-Böcking, “Multiple Ionization in Strong Laser Fields,” Advances in Atomic, Molecular, and Optical Physics 48, 1–35 (2002).

[CrossRef]

R. Heather and H. Metiu, “An efficient procedure for calculating the evolution of the wave function by fast Fourier transform methods for systems with spatially extended wave function and localized potential,” J. Chem. Phys. 86, 5009–5017 (1987).

[CrossRef]

S. L. Haan, N. Hoekema, R. Panfili, and J. H. Eberly, “Exploration of Double Ionization Using Wavefunction Masking,” manuscript in preparation.

J. Javanainen, J.H. Eberly, and Qichang Su, “Numerical simulations of multiphoton ionization and above-threshold electron spectra,” Phys. Rev. A 38, 3430–3446 (1988).

[CrossRef]
[PubMed]

J.B. Watson, A. Sanpera, D.G. Lappas, P.L. Knight, and K. Burnett, “Nonsequentiall Double Ionization of Helium,” Phys. Rev. Lett. 78, 1884–1887 (1997).

[CrossRef]

M.V. Ammosov, N.B. Delone, and V.P. Krainov, “Tunnel ionization of complex atoms and of atomic ions in an alternating electromagnetic field,” Sov. Phys. JETP 64, 1191 (1986).

B. Walker, B. Sheehy, L. F. DiMauro, P. Agostini, K. J. Schafer, and K. C. Kulander, “Precision measurement of strong field double ionization of helium,” Phys. Rev. Lett. 73, 1227–1230 (1994).

[CrossRef]
[PubMed]

K. J. Schafer, B. Yang, L. F. DiMauro, and K. C. Kulander, “Above threshold ionization beyond the high harmonic cutoff,” Phys. Rev. Lett. 70, 1599–1602 (1993).

[CrossRef]
[PubMed]

D. N. Fittinghof, P. R. Bolton, B. Chang, and K. C. Kulander, “Observation of nonsequential double ionization of helium with optical tunneling,” Phys. Rev. Lett. 69, 2642–2645 (1992).

[CrossRef]

K.C. Kulander, J. Cooper, and K.H. Schafer, “Laser-assisted inelastic rescattering during above-threshold ionization,” Phys. Rev. A 51, 561 (1995).

[CrossRef]
[PubMed]

J.B. Watson, A. Sanpera, D.G. Lappas, P.L. Knight, and K. Burnett, “Nonsequentiall Double Ionization of Helium,” Phys. Rev. Lett. 78, 1884–1887 (1997).

[CrossRef]

W. -C. Liu, J. H. Eberly, S. L. Haan, and R. Grobe, “Correlation Effects in Two-Electron Model Atoms in Intense Laser Fields,” Phys. Rev. Lett. 83, 520–523 (1999).

[CrossRef]

C. Figueira de Morisson Faria, H. Schomerus, X. Liu, and W. Becker “Electron-electron dynamics in laser-induced nonsequential double ionization,” Phys. Rev. A 69, 043405 (2004).

[CrossRef]

J. S. Parker, B.J.S. Doherty, K.J. Meharg, and K.T. Taylor, “Time delay between singly and doubly ionizing wavepackets in laser-driven helium,” J. Phys. B 36, L393 (2003).

[CrossRef]

R. Heather and H. Metiu, “An efficient procedure for calculating the evolution of the wave function by fast Fourier transform methods for systems with spatially extended wave function and localized potential,” J. Chem. Phys. 86, 5009–5017 (1987).

[CrossRef]

R. Dörner, Th. Weber, M. Weckenbrock, A. Staudte, M. Hattass, R. Moshammer, J. Ulrich, and H. Schmidt-Böcking, “Multiple Ionization in Strong Laser Fields,” Advances in Atomic, Molecular, and Optical Physics 48, 1–35 (2002).

[CrossRef]

R. Moshammeret al., “Momentum Distributions of Nen+ Ions Created by an Intense Ultrashort Laser Pulse,” Phys. Rev. Lett. 84, 447 (2000).

[CrossRef]
[PubMed]

S. L. Haan, P. S. Wheeler, R. Panfili, and J. H. Eberly, “Origin of correlated electron emission in double ionization of atoms,” Phys. Rev. A 66, 061402(R) (2002).

[CrossRef]

R. Panfili, S. L. Haan, and J. H. Eberly, “Dynamics of classical slow-down collisions in non-sequential double ionization,” Phys. Rev. Lett. 89, 113001 (2002).

[CrossRef]
[PubMed]

R. Panfili, J. H. Eberly, and S. Haan, “Comparing classical and quantum simulations of strong-field double ionization,” Opt. Express 8, 431–435 (2001). http://www.opticsexpress.org/oearchive/source/31132.htm

[CrossRef]
[PubMed]

S. L. Haan, N. Hoekema, R. Panfili, and J. H. Eberly, “Exploration of Double Ionization Using Wavefunction Masking,” manuscript in preparation.

J. S. Parker, B.J.S. Doherty, K.J. Meharg, and K.T. Taylor, “Time delay between singly and doubly ionizing wavepackets in laser-driven helium,” J. Phys. B 36, L393 (2003).

[CrossRef]

J.B. Watson, A. Sanpera, D.G. Lappas, P.L. Knight, and K. Burnett, “Nonsequentiall Double Ionization of Helium,” Phys. Rev. Lett. 78, 1884–1887 (1997).

[CrossRef]

B. Walker, B. Sheehy, L. F. DiMauro, P. Agostini, K. J. Schafer, and K. C. Kulander, “Precision measurement of strong field double ionization of helium,” Phys. Rev. Lett. 73, 1227–1230 (1994).

[CrossRef]
[PubMed]

K. J. Schafer, B. Yang, L. F. DiMauro, and K. C. Kulander, “Above threshold ionization beyond the high harmonic cutoff,” Phys. Rev. Lett. 70, 1599–1602 (1993).

[CrossRef]
[PubMed]

K.C. Kulander, J. Cooper, and K.H. Schafer, “Laser-assisted inelastic rescattering during above-threshold ionization,” Phys. Rev. A 51, 561 (1995).

[CrossRef]
[PubMed]

R. Dörner, Th. Weber, M. Weckenbrock, A. Staudte, M. Hattass, R. Moshammer, J. Ulrich, and H. Schmidt-Böcking, “Multiple Ionization in Strong Laser Fields,” Advances in Atomic, Molecular, and Optical Physics 48, 1–35 (2002).

[CrossRef]

C. Figueira de Morisson Faria, H. Schomerus, X. Liu, and W. Becker “Electron-electron dynamics in laser-induced nonsequential double ionization,” Phys. Rev. A 69, 043405 (2004).

[CrossRef]

B. Walker, B. Sheehy, L. F. DiMauro, P. Agostini, K. J. Schafer, and K. C. Kulander, “Precision measurement of strong field double ionization of helium,” Phys. Rev. Lett. 73, 1227–1230 (1994).

[CrossRef]
[PubMed]

R. Dörner, Th. Weber, M. Weckenbrock, A. Staudte, M. Hattass, R. Moshammer, J. Ulrich, and H. Schmidt-Böcking, “Multiple Ionization in Strong Laser Fields,” Advances in Atomic, Molecular, and Optical Physics 48, 1–35 (2002).

[CrossRef]

J. Javanainen, J.H. Eberly, and Qichang Su, “Numerical simulations of multiphoton ionization and above-threshold electron spectra,” Phys. Rev. A 38, 3430–3446 (1988).

[CrossRef]
[PubMed]

J. S. Parker, B.J.S. Doherty, K.J. Meharg, and K.T. Taylor, “Time delay between singly and doubly ionizing wavepackets in laser-driven helium,” J. Phys. B 36, L393 (2003).

[CrossRef]

R. Dörner, Th. Weber, M. Weckenbrock, A. Staudte, M. Hattass, R. Moshammer, J. Ulrich, and H. Schmidt-Böcking, “Multiple Ionization in Strong Laser Fields,” Advances in Atomic, Molecular, and Optical Physics 48, 1–35 (2002).

[CrossRef]

B. Walker, B. Sheehy, L. F. DiMauro, P. Agostini, K. J. Schafer, and K. C. Kulander, “Precision measurement of strong field double ionization of helium,” Phys. Rev. Lett. 73, 1227–1230 (1994).

[CrossRef]
[PubMed]

J.B. Watson, A. Sanpera, D.G. Lappas, P.L. Knight, and K. Burnett, “Nonsequentiall Double Ionization of Helium,” Phys. Rev. Lett. 78, 1884–1887 (1997).

[CrossRef]

R. Dörner, Th. Weber, M. Weckenbrock, A. Staudte, M. Hattass, R. Moshammer, J. Ulrich, and H. Schmidt-Böcking, “Multiple Ionization in Strong Laser Fields,” Advances in Atomic, Molecular, and Optical Physics 48, 1–35 (2002).

[CrossRef]

Th. Weberet al., “Recoil-Ion Momentum Distributions for Single and Double Ionization of Helium in Strong Laser Fields,” Phys. Rev. Lett. 84, 443 (2000).

[CrossRef]
[PubMed]

R. Dörner, Th. Weber, M. Weckenbrock, A. Staudte, M. Hattass, R. Moshammer, J. Ulrich, and H. Schmidt-Böcking, “Multiple Ionization in Strong Laser Fields,” Advances in Atomic, Molecular, and Optical Physics 48, 1–35 (2002).

[CrossRef]

S. L. Haan, P. S. Wheeler, R. Panfili, and J. H. Eberly, “Origin of correlated electron emission in double ionization of atoms,” Phys. Rev. A 66, 061402(R) (2002).

[CrossRef]

K. J. Schafer, B. Yang, L. F. DiMauro, and K. C. Kulander, “Above threshold ionization beyond the high harmonic cutoff,” Phys. Rev. Lett. 70, 1599–1602 (1993).

[CrossRef]
[PubMed]

R. Dörner, Th. Weber, M. Weckenbrock, A. Staudte, M. Hattass, R. Moshammer, J. Ulrich, and H. Schmidt-Böcking, “Multiple Ionization in Strong Laser Fields,” Advances in Atomic, Molecular, and Optical Physics 48, 1–35 (2002).

[CrossRef]

R. Heather and H. Metiu, “An efficient procedure for calculating the evolution of the wave function by fast Fourier transform methods for systems with spatially extended wave function and localized potential,” J. Chem. Phys. 86, 5009–5017 (1987).

[CrossRef]

J. S. Parker, B.J.S. Doherty, K.J. Meharg, and K.T. Taylor, “Time delay between singly and doubly ionizing wavepackets in laser-driven helium,” J. Phys. B 36, L393 (2003).

[CrossRef]

E. Ereminaet al. “Laser-induced non-sequential double ionization investigated at and below the threshold for electron impact ionization,” J. Phys. B: At. Mol. Opt. Phys. 36, 3269–3280 (2003).

[CrossRef]

F. H. M. Faisal and A. Becker, “Nonsequential double ionization: mechanism and model formula,” Laser Phys. 7, 684 (1997).

S. L. Haan, K. Hoekema, S. Poniatowski, W.-C. Liu, and J. H. Eberly, “Directional correlation in direct and sequential double ionization of model atoms,” Opt. Express 7, 29–38 (2000). http://www.opticsexpress.org/oearchive/21863.htm

[CrossRef]
[PubMed]

R. Panfili, J. H. Eberly, and S. Haan, “Comparing classical and quantum simulations of strong-field double ionization,” Opt. Express 8, 431–435 (2001). http://www.opticsexpress.org/oearchive/source/31132.htm

[CrossRef]
[PubMed]

A.M. Popov, O.V. Tikhonova, and E.A. Volkova, “Mechanisms of double-electron ionization of atomic systems in a strong laser field,” Opt. Express 8, 441–446 (2001).

[CrossRef]
[PubMed]

K.C. Kulander, J. Cooper, and K.H. Schafer, “Laser-assisted inelastic rescattering during above-threshold ionization,” Phys. Rev. A 51, 561 (1995).

[CrossRef]
[PubMed]

D. Bauer, “Two-dimensional, two-electron model atom in a laser pulse: Exact treatment, single-activie-electron analysis, time-dependent density-functional theory, classical calculations, and nonsequential ionization,” Phys. Rev. A 56, 3028–3039 (1997).

[CrossRef]

C. Figueira de Morisson Faria, H. Schomerus, X. Liu, and W. Becker “Electron-electron dynamics in laser-induced nonsequential double ionization,” Phys. Rev. A 69, 043405 (2004).

[CrossRef]

H.W. van der Hart and K. Burnett, “Recollision model for double ionization of atoms in strong lasser fields,” Phys. Rev. A 62, 013407 (2000).

[CrossRef]

S. L. Haan, P. S. Wheeler, R. Panfili, and J. H. Eberly, “Origin of correlated electron emission in double ionization of atoms,” Phys. Rev. A 66, 061402(R) (2002).

[CrossRef]

J. Javanainen, J.H. Eberly, and Qichang Su, “Numerical simulations of multiphoton ionization and above-threshold electron spectra,” Phys. Rev. A 38, 3430–3446 (1988).

[CrossRef]
[PubMed]

R. Grobe and J.H. Eberly, “Photoelectron spectra for a two-electron system in a strong laser field,” Phys. Rev. Lett. 68, 2905–2908 (1992).

[CrossRef]
[PubMed]

A. Becker and F.H.M. Faisal, “Interpretation of momentum distribution of recoil ions from laser induced nonsequential double ionization,” Phys. Rev. Lett. 84, 3546 (2000).

[CrossRef]
[PubMed]

D. N. Fittinghof, P. R. Bolton, B. Chang, and K. C. Kulander, “Observation of nonsequential double ionization of helium with optical tunneling,” Phys. Rev. Lett. 69, 2642–2645 (1992).

[CrossRef]

B. Walker, B. Sheehy, L. F. DiMauro, P. Agostini, K. J. Schafer, and K. C. Kulander, “Precision measurement of strong field double ionization of helium,” Phys. Rev. Lett. 73, 1227–1230 (1994).

[CrossRef]
[PubMed]

Th. Weberet al., “Recoil-Ion Momentum Distributions for Single and Double Ionization of Helium in Strong Laser Fields,” Phys. Rev. Lett. 84, 443 (2000).

[CrossRef]
[PubMed]

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