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Quantum halo states in helium tetramers

Author
Stipanovic, P.; Leandra, V.; Boronat, J.
Type of activity
Journal article
Journal
Journal of physical chemistry A
Date of publication
2017-01-12
Volume
121
Number
1
First page
308
Last page
314
DOI
https://doi.org/10.1021/acs.jpca.6b10656 Open in new window
Repository
http://hdl.handle.net/2117/101558 Open in new window
URL
http://pubs.acs.org/doi/abs/10.1021/acs.jpca.6b10656 Open in new window
Abstract
The universality of quantum halo states enables a comparison of systems from different fields of physics, as demonstrated in two- and three-body clusters. In the present work, we studied weakly bound helium tetramers in order to test whether some of these four-body realistic systems qualify as halos. Their ground-state binding energies and structural properties were thoroughly estimated using the diffusion Monte Carlo method with pure estimators. Helium tetramer properties proved to be less sens...
Citation
Stipanovic, P., Leandra, V., Boronat, J. Quantum halo states in helium tetramers. "Journal of physical chemistry A", 12 Gener 2017, vol. 121, núm. 1, p. 308-314.
Keywords
Halo states, Helium clusters, Quantum Monte Carlo, Tetramers
Group of research
SIMCON - First-principles approaches to condensed matter physics: quantum effects and complexity

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