Splitting methods for the time-dependent
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S. Blanes; P.C. Moan
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Article
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2000
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Elsevier Science
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English
⚖ 135 KB
Cheap and easy to implement fourth-order methods for the Schrodinger equation with time-dependent Hamiltonians are ïntroduced. The methods require evaluations of exponentials of simple unidimensional integrals, and can be considered an averaging technique, preserving many of the qualitative propert