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数学
THE NEGATIVE FACTOR COUNTING METHOD FOR SUPERLATTICE SYSTEMS:THEOREM AND NUMERICAL METHOD
<正> It is very difficult to perform quantum chemistry calculations for very large molecules. Nowadays, scientists turn their attention to disordered systems (such as amorphous materials and biopolymers), and superlattice systems. However, there is a computational problem due to the large size of Hamiltonian matrices (about 1000×1000).
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Chinese Science Bulletin
1989年22期

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