Lowest breathing mode of bosonic helium clusters
JILA and Department of Physics, University of Colorado, Boulder, CO 80309-0440, USA
Corresponding author: a firstname.lastname@example.org
Published online: 15 January 2002
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.
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
© EDP Sciences, Società Italiana di Fisica, Springer-Verlag, 2002