Quantum monte carlo vibrational dynamics
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Dykstra, Clifford E.; Van Voorhis, Troy A.
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Article
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1997
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John Wiley and Sons
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English
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The typical shallowness of the potential surfaces of weakly bound clusters implies sizable ground-state vibrational excursions in the weak modes, a feature often complicated by considerable anharmonicity. The difficulties of vibrational analysis are exacerbated as the number of weak modes increases