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3
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84927368887
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For more recent references, see A. L'Huillier et al., Int. J. Nonlin. Opt. Phys. (to be published), and references therein.
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5
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84927368886
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K. C. Kulander, K. J. Schafer, and J. L. Krause, in Super Intense Laser Atom Physics, Vol. 316 of NATO Advanced Study Institute, Series B: Physics, edited by B. Piraux, Anne L'Huillier, and K. Rz c a .zewski (Plenum, New York, 1993), p. 95.
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7
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84927368885
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L. V. Keldysh, Zh. Eksp. Teor. Fiz. XX, XXX (19XX)
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11
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84927368884
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M. V. Ammosov, N. B. Delone, and V. P. Kra " i nov Zh. Eksp. Teor. Fiz. XX, XXX (19XX)
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14
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84927368883
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V. P. Kra " i nov and V. M. Ristić, Zh. Eksp. Teor. Fiz. XX, XXX (19XX)
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26
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0001578412
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Phys. Rev. A
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Wahlström, C.G.1
Larsson, J.2
Persson, A.3
Starczewski, T.4
Svanberg, S.5
Salières, P.6
Balcou, Ph.7
L'Huillier, A.8
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31
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84927368881
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Ph. Antoine, Anne L'Huillier, M. Lewenstein, and P. Salières (unpublished).
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32
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84927368880
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In some cases it is sufficient to take the contribution of one trajectory only;
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34
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84927368879
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In general, however, calculation of observables that are affected by propagation effects requires taking into account the contributions of (at least) two trajectories.
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35
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84927368878
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N. B. Delone and V. P. Kra " i nov, Atoms in Strong Fields (Springer Verlag, Heidelberg, 1985); L. D. Landau, Quantum Mechanics (Pergamon, New York, 1964).
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38
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84927368877
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Strictly speaking, the slopes of the phase dependence are slowly varying functions of Up. The derivative of the phase with respect to Up is about -3.3 for small Up and increases slowly as Up tends to the plateau cutoff threshold. Above this threshold, this derivative very rapidly attains values of the order of -5.7 and -5.8 and then decreases very slowly toward an asymptotic value of -2π at Up to∞.
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39
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84927368876
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This is done by multiplying the contribution of the saddle point τ1 by a factor that is 1 above the cutoff and becomes gradually smaller in the small range of intensities close to the plateau cutoff transition.
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43
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0001240906
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(1995)
Phys. Rev. A
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Eichmann, H.1
Egbert, A.2
Nolte, S.3
Momma, C.4
Wellegehausen, B.5
Becker, W.6
Long, S.7
McIver, J.K.8
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45
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84927368873
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S. Long, W. Becker, and J. K. McIver, Phys. Rev. A (to be published); see also Ref. [29(b)].
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