New Approach to Many-State Quantum Dynamics: The Recursive-Residue-Generation Method
- 19 December 1983
- journal article
- research article
- Published by American Physical Society (APS) in Physical Review Letters
- Vol. 51 (25) , 2238-2241
- https://doi.org/10.1103/physrevlett.51.2238
Abstract
A new computational approach to time-dependent transition amplitudes in multistate quantum systems is developed. The method, which avoids explicit computation of matrix eigenvectors, is based upon the recursive generation of residues of Green's functions. The residues are computed from the eigenvalues of several tridiagonal matrices. Numerical results are presented for multiphoton excitation of overtones in a system with over 3000 states.Keywords
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