Wang XG, Carrington T. Vibrational Levels of Ar4: New Odd-Parity Bosonic States.
J Phys Chem A 2007;
111:10220-5. [PMID:
17458945 DOI:
10.1021/jp070932q]
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Abstract
Vibrational levels of Ar4 are computed using the Lanczos algorithm and a large basis set. We find both even- and odd-parity states with wave functions that are invariant with respect to permutations of the Ar atoms. The odd-parity bosonic levels have not been computed previously. The even-parity levels are close to those obtained using the correlation-function Monte Carlo method (CFMC).
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