Approximate methods based on Intense Field Many Body S- matrix (method called sometimes Keldysh-Faisal-Reiss (KFR) or Strong Field Approximation (SFA))
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Floquet basis functions (complex Gaussian and complex Sturmian) based code
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Wavepacket propagation using finite difference and finite element algorithms
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Wavepacket propagation using numerical basis functions
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DFT and TDDFT grid and basis function based codes
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TDHF code
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