J.S. Parker, L.R. Moore, D. Dundas, and K.T. Taylor, “Double ionization of helium at 390 nm,” J. Phys. B 33, L691 (2000).

[CrossRef]

H.G. Muller, “An efficient propagation scheme for the time-dependent Schrödinger equation in the velocity gauge,” Laser Phys. 9, 138 (1999).

H.G. Muller, “Numerical solution of high-order ATI enhancement in argon,” Phys. Rev. A 60, 1341 (1999).

[CrossRef]

H.G. Muller and F.C. Kooiman, “Bunching and Focusing of Tunneling Wave Packets in Enhancement of High-Order ATI,” Phys. Rev. Lett. 81, 1207 (1998).

[CrossRef]

E.S. Smyth, J.S. Parker, and K.T. Taylor, “Numerical integration of the time-dependent Schrödinger equation for laser-driven helium,” Computer Phys. Comm. 114, 1 (1998).

[CrossRef]

N.B. Delone and V.P. Krainov, “Tunneling and barrier suppression ionization of atoms and ions in a laser radiation field,” Phys.-Uspekhi 41, 469 (1998).

[CrossRef]

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

[CrossRef]
[PubMed]

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

[CrossRef]
[PubMed]

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

[CrossRef]
[PubMed]

K.J. Schafer and K.C. Kulander, “Energy analysis of time-dependent wave functions: Application to above-threshold ionization,” Phys. Rev. A 42, 5794 (1992).

[CrossRef]

J.L. Krause, K.J. Schafer, and K.C. Kulander, “Calculation of photoemission from atoms subject to intense laser fields,” Phys. Rev. A 45, 4998 (1992).

[CrossRef]
[PubMed]

S. Augst, D. Strikland, D. Meyerhofer, S.L. Chin, and J. Eberly, “Tunneling ionization of noble gases in a high-intensity laser field,” Phys. Rev. Lett. 63, 2212 (1989).

[CrossRef]
[PubMed]

P. Lambropoulos, “Mechanisms for multiple ionization of atoms by strong laser pulses,” Phys. Rev. Lett. 55, 2141 (1985).

[CrossRef]
[PubMed]

A. l’Huillier, A. Lompre, G. Mainfray, and C. Manus, “Multiply charged ions induced by multi-photon absorption in rare gases at 0.53 µm,” Phys. Rev. A 27, 2503 (1983).

[CrossRef]

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

[CrossRef]
[PubMed]

S. Augst, D. Strikland, D. Meyerhofer, S.L. Chin, and J. Eberly, “Tunneling ionization of noble gases in a high-intensity laser field,” Phys. Rev. Lett. 63, 2212 (1989).

[CrossRef]
[PubMed]

R. Kopold, W. Becker, and D.B. Milosevic, “Quantum orbits: a space-time picture of intense-laser-induced processes in atoms,” Comments At. Mol. Phys. (2000) to be published.

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

[CrossRef]
[PubMed]

J.B. Watson, A. Sanpera, K. Burnett, D.G. Lappas, and P.L. Knight “Double ionization of helium beyond the single electron active electron approximation,” in P. Lambropoulos and H. Walther, (eds.) “Multiphoton Processes: ICOMP VII, 7th International Conference,” CS154, p. 132 IOP, Bristol, UK (1997).

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

[CrossRef]
[PubMed]

S. Augst, D. Strikland, D. Meyerhofer, S.L. Chin, and J. Eberly, “Tunneling ionization of noble gases in a high-intensity laser field,” Phys. Rev. Lett. 63, 2212 (1989).

[CrossRef]
[PubMed]

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

[CrossRef]
[PubMed]

N.B. Delone and V.P. Krainov, “Tunneling and barrier suppression ionization of atoms and ions in a laser radiation field,” Phys.-Uspekhi 41, 469 (1998).

[CrossRef]

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

[CrossRef]
[PubMed]

J.S. Parker, L.R. Moore, D. Dundas, and K.T. Taylor, “Double ionization of helium at 390 nm,” J. Phys. B 33, L691 (2000).

[CrossRef]

S. Augst, D. Strikland, D. Meyerhofer, S.L. Chin, and J. Eberly, “Tunneling ionization of noble gases in a high-intensity laser field,” Phys. Rev. Lett. 63, 2212 (1989).

[CrossRef]
[PubMed]

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

[CrossRef]
[PubMed]

J.B. Watson, A. Sanpera, K. Burnett, D.G. Lappas, and P.L. Knight “Double ionization of helium beyond the single electron active electron approximation,” in P. Lambropoulos and H. Walther, (eds.) “Multiphoton Processes: ICOMP VII, 7th International Conference,” CS154, p. 132 IOP, Bristol, UK (1997).

H.G. Muller and F.C. Kooiman, “Bunching and Focusing of Tunneling Wave Packets in Enhancement of High-Order ATI,” Phys. Rev. Lett. 81, 1207 (1998).

[CrossRef]

R. Kopold, W. Becker, and D.B. Milosevic, “Quantum orbits: a space-time picture of intense-laser-induced processes in atoms,” Comments At. Mol. Phys. (2000) to be published.

N.B. Delone and V.P. Krainov, “Tunneling and barrier suppression ionization of atoms and ions in a laser radiation field,” Phys.-Uspekhi 41, 469 (1998).

[CrossRef]

J.L. Krause, K.J. Schafer, and K.C. Kulander, “Calculation of photoemission from atoms subject to intense laser fields,” Phys. Rev. A 45, 4998 (1992).

[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,” Phys. Rev. Lett. 73, 1227 (1994);

[CrossRef]
[PubMed]

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

[CrossRef]
[PubMed]

K.J. Schafer and K.C. Kulander, “Energy analysis of time-dependent wave functions: Application to above-threshold ionization,” Phys. Rev. A 42, 5794 (1992).

[CrossRef]

J.L. Krause, K.J. Schafer, and K.C. Kulander, “Calculation of photoemission from atoms subject to intense laser fields,” Phys. Rev. A 45, 4998 (1992).

[CrossRef]
[PubMed]

A. l’Huillier, A. Lompre, G. Mainfray, and C. Manus, “Multiply charged ions induced by multi-photon absorption in rare gases at 0.53 µm,” Phys. Rev. A 27, 2503 (1983).

[CrossRef]

P. Lambropoulos, “Mechanisms for multiple ionization of atoms by strong laser pulses,” Phys. Rev. Lett. 55, 2141 (1985).

[CrossRef]
[PubMed]

J.B. Watson, A. Sanpera, K. Burnett, D.G. Lappas, and P.L. Knight “Double ionization of helium beyond the single electron active electron approximation,” in P. Lambropoulos and H. Walther, (eds.) “Multiphoton Processes: ICOMP VII, 7th International Conference,” CS154, p. 132 IOP, Bristol, UK (1997).

A. l’Huillier, A. Lompre, G. Mainfray, and C. Manus, “Multiply charged ions induced by multi-photon absorption in rare gases at 0.53 µm,” Phys. Rev. A 27, 2503 (1983).

[CrossRef]

A. l’Huillier, A. Lompre, G. Mainfray, and C. Manus, “Multiply charged ions induced by multi-photon absorption in rare gases at 0.53 µm,” Phys. Rev. A 27, 2503 (1983).

[CrossRef]

A. l’Huillier, A. Lompre, G. Mainfray, and C. Manus, “Multiply charged ions induced by multi-photon absorption in rare gases at 0.53 µm,” Phys. Rev. A 27, 2503 (1983).

[CrossRef]

S. Augst, D. Strikland, D. Meyerhofer, S.L. Chin, and J. Eberly, “Tunneling ionization of noble gases in a high-intensity laser field,” Phys. Rev. Lett. 63, 2212 (1989).

[CrossRef]
[PubMed]

R. Kopold, W. Becker, and D.B. Milosevic, “Quantum orbits: a space-time picture of intense-laser-induced processes in atoms,” Comments At. Mol. Phys. (2000) to be published.

J.S. Parker, L.R. Moore, D. Dundas, and K.T. Taylor, “Double ionization of helium at 390 nm,” J. Phys. B 33, L691 (2000).

[CrossRef]

H.G. Muller, “Identification of states responsible for ATI enhancement in argon by their calculated wave functions,” Opt. Express 8, 44 (2001).

[CrossRef]
[PubMed]

H.G. Muller, “An efficient propagation scheme for the time-dependent Schrödinger equation in the velocity gauge,” Laser Phys. 9, 138 (1999).

H.G. Muller, “Numerical solution of high-order ATI enhancement in argon,” Phys. Rev. A 60, 1341 (1999).

[CrossRef]

H.G. Muller and F.C. Kooiman, “Bunching and Focusing of Tunneling Wave Packets in Enhancement of High-Order ATI,” Phys. Rev. Lett. 81, 1207 (1998).

[CrossRef]

H.G. Muller, “Calculation of double ionization of helium,” in B. Piraux et al. (eds.)“Super-Intense Laser-Atom Physics VI proceedings,” NATO series B (2001) in print.

H.G. Muller, “Solving the time-dependent Schrödinger equation in five dimensions,’ in L.F. Di-Mauro, R.R. Freeman, and K.C. Kulander (eds.)”Multiphoton processes: ICOMP VIII, 8th International Conference,” CP525, p. 257 AIP, Melville NY (2000).

J.S. Parker, L.R. Moore, D. Dundas, and K.T. Taylor, “Double ionization of helium at 390 nm,” J. Phys. B 33, L691 (2000).

[CrossRef]

E.S. Smyth, J.S. Parker, and K.T. Taylor, “Numerical integration of the time-dependent Schrödinger equation for laser-driven helium,” Computer Phys. Comm. 114, 1 (1998).

[CrossRef]

J.B. Watson, A. Sanpera, K. Burnett, D.G. Lappas, and P.L. Knight “Double ionization of helium beyond the single electron active electron approximation,” in P. Lambropoulos and H. Walther, (eds.) “Multiphoton Processes: ICOMP VII, 7th International Conference,” CS154, p. 132 IOP, Bristol, UK (1997).

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

[CrossRef]
[PubMed]

K.J. Schafer and K.C. Kulander, “Energy analysis of time-dependent wave functions: Application to above-threshold ionization,” Phys. Rev. A 42, 5794 (1992).

[CrossRef]

J.L. Krause, K.J. Schafer, and K.C. Kulander, “Calculation of photoemission from atoms subject to intense laser fields,” Phys. Rev. A 45, 4998 (1992).

[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,” Phys. Rev. Lett. 73, 1227 (1994);

[CrossRef]
[PubMed]

E.S. Smyth, J.S. Parker, and K.T. Taylor, “Numerical integration of the time-dependent Schrödinger equation for laser-driven helium,” Computer Phys. Comm. 114, 1 (1998).

[CrossRef]

S. Augst, D. Strikland, D. Meyerhofer, S.L. Chin, and J. Eberly, “Tunneling ionization of noble gases in a high-intensity laser field,” Phys. Rev. Lett. 63, 2212 (1989).

[CrossRef]
[PubMed]

J.S. Parker, L.R. Moore, D. Dundas, and K.T. Taylor, “Double ionization of helium at 390 nm,” J. Phys. B 33, L691 (2000).

[CrossRef]

E.S. Smyth, J.S. Parker, and K.T. Taylor, “Numerical integration of the time-dependent Schrödinger equation for laser-driven helium,” Computer Phys. Comm. 114, 1 (1998).

[CrossRef]

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

[CrossRef]
[PubMed]

J.B. Watson, A. Sanpera, K. Burnett, D.G. Lappas, and P.L. Knight “Double ionization of helium beyond the single electron active electron approximation,” in P. Lambropoulos and H. Walther, (eds.) “Multiphoton Processes: ICOMP VII, 7th International Conference,” CS154, p. 132 IOP, Bristol, UK (1997).

E.S. Smyth, J.S. Parker, and K.T. Taylor, “Numerical integration of the time-dependent Schrödinger equation for laser-driven helium,” Computer Phys. Comm. 114, 1 (1998).

[CrossRef]

J.S. Parker, L.R. Moore, D. Dundas, and K.T. Taylor, “Double ionization of helium at 390 nm,” J. Phys. B 33, L691 (2000).

[CrossRef]

H.G. Muller, “An efficient propagation scheme for the time-dependent Schrödinger equation in the velocity gauge,” Laser Phys. 9, 138 (1999).

H.G. Muller, “Numerical solution of high-order ATI enhancement in argon,” Phys. Rev. A 60, 1341 (1999).

[CrossRef]

J.L. Krause, K.J. Schafer, and K.C. Kulander, “Calculation of photoemission from atoms subject to intense laser fields,” Phys. Rev. A 45, 4998 (1992).

[CrossRef]
[PubMed]

K.J. Schafer and K.C. Kulander, “Energy analysis of time-dependent wave functions: Application to above-threshold ionization,” Phys. Rev. A 42, 5794 (1992).

[CrossRef]

A. l’Huillier, A. Lompre, G. Mainfray, and C. Manus, “Multiply charged ions induced by multi-photon absorption in rare gases at 0.53 µm,” Phys. Rev. A 27, 2503 (1983).

[CrossRef]

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

[CrossRef]
[PubMed]

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

[CrossRef]
[PubMed]

S. Augst, D. Strikland, D. Meyerhofer, S.L. Chin, and J. Eberly, “Tunneling ionization of noble gases in a high-intensity laser field,” Phys. Rev. Lett. 63, 2212 (1989).

[CrossRef]
[PubMed]

P. Lambropoulos, “Mechanisms for multiple ionization of atoms by strong laser pulses,” Phys. Rev. Lett. 55, 2141 (1985).

[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,” Phys. Rev. Lett. 73, 1227 (1994);

[CrossRef]
[PubMed]

H.G. Muller and F.C. Kooiman, “Bunching and Focusing of Tunneling Wave Packets in Enhancement of High-Order ATI,” Phys. Rev. Lett. 81, 1207 (1998).

[CrossRef]

N.B. Delone and V.P. Krainov, “Tunneling and barrier suppression ionization of atoms and ions in a laser radiation field,” Phys.-Uspekhi 41, 469 (1998).

[CrossRef]

H.G. Muller, “Solving the time-dependent Schrödinger equation in five dimensions,’ in L.F. Di-Mauro, R.R. Freeman, and K.C. Kulander (eds.)”Multiphoton processes: ICOMP VIII, 8th International Conference,” CP525, p. 257 AIP, Melville NY (2000).

J.B. Watson, A. Sanpera, K. Burnett, D.G. Lappas, and P.L. Knight “Double ionization of helium beyond the single electron active electron approximation,” in P. Lambropoulos and H. Walther, (eds.) “Multiphoton Processes: ICOMP VII, 7th International Conference,” CS154, p. 132 IOP, Bristol, UK (1997).

R. Kopold, W. Becker, and D.B. Milosevic, “Quantum orbits: a space-time picture of intense-laser-induced processes in atoms,” Comments At. Mol. Phys. (2000) to be published.

H.G. Muller, “Calculation of double ionization of helium,” in B. Piraux et al. (eds.)“Super-Intense Laser-Atom Physics VI proceedings,” NATO series B (2001) in print.