Excitation spectra of a {sup 3}He impurity on {sup 4}He clusters
Journal Article
·
· Physical Review. A
- SISSA and INFM DEMOCRITOS National Simulation Center, Via Beirut 2-4, I-34014, Trieste (Italy)
The diffusion Monte Carlo technique is used to calculate and analyze the excitation spectrum of a single {sup 3}He atom bound to a cluster with N {sup 4}He atoms, with the aim of establishing the most adequate filling ordering of single-fermion orbits to the mixed clusters with a large number of {sup 3}He atoms. The resulting ordering looks like the rotational spectrum of a diatomic molecule, being classified only by the angular momentum of the level, although vibrational-like excitations appear at higher energies for sufficiently large N.
- OSTI ID:
- 20645912
- Journal Information:
- Physical Review. A, Vol. 70, Issue 2; Other Information: DOI: 10.1103/PhysRevA.70.023206; (c) 2004 The American Physical Society; Country of input: International Atomic Energy Agency (IAEA); ISSN 1050-2947
- Country of Publication:
- United States
- Language:
- English
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