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Fast time-evolution method for dynamical systems | | Y L Loh
; S N Taraskin
; S R Elliott
; | | Date: |
13 Mar 2000 | | Journal: | Phys Rev Lett, 84 (11), 2290-3 | | Abstract: | A fast time-evolution method is developed for systems for which the dynamical behavior can be reduced to the eigenvector/eigenvalue problem. The method does not use the eigenvectors/eigenvalues themselves and is based on a polynominal expansion of the formal operator solution in the eigenfrequency domain. It is complementary to the standard time-integration approaches and allows one to calculate or simulate the state of a system at arbitrary times. The time evolution of, e.g., classical harmonic atomic systems and quantum systems described by linear Hamiltonians can be treated by this method. | | Source: | PubMed, pmid11018867 | | Services: | Forum | Review | Favorites | |
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