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Lowest breathing mode of bosonic helium clusters |
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| Authors: | D. Blume Chris H. Greene |
| Affiliation: | (1) JILA and Department of Physics, University of Colorado, Boulder, CO 80309-0440, USA, US |
| Abstract: | We analyze various microscopic calculations of vibrational frequencies for 4HeN clusters, N = 3-728. The lowest breathing frequency with total angular momentum J = 0 varies smoothly as a function of N, with a maximum around N = 50-120. Received 11 July 2001 |
| Keywords: | PACS. 36.40.-c Atomic and molecular clusters – 67.40.Db Quantum statistical theory ground state, elementary excitations – 67.40.-w Boson degeneracy and superfluidity of 4He |
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