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Universality of size-energy ratio in four-body systems

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Stipanovic, P.
Vranješ Markic, Leandra
Gudyma, Andrii
Boronat Medico, JordiMés informacióMés informacióMés informació
Document typeArticle
Defense date2019-04-18
PublisherNature
Rights accessOpen Access
Attribution-NonCommercial-NoDerivs 3.0 Spain
Except where otherwise noted, content on this work is licensed under a Creative Commons license : Attribution-NonCommercial-NoDerivs 3.0 Spain
Abstract
Universal relationship of scaled size and scaled energy, which was previously established for two- and three-body systems in their ground state, is examined for four-body systems, using Quantum Monte Carlo simulations. We study in detail the halo region, in which systems are extremely weakly bound. Strengthening the interparticle interaction we extend the exploration all the way to classical systems. Universal size-energy law is found for homogeneous tetramers in the case of interaction potentials decaying predominantly as r-6. In the case of mixed tetramers, we also show under which conditions the universal line can approximately describe the size-energy ratio. The universal law can be used to extract ground-state energy from experimentally measurable structural characteristics, as well as for evaluation of theoretical interaction models.
CitationStipanovic, P. [et al.]. Universality of size-energy ratio in four-body systems. "Scientific reports", 18 Abril 2019, vol. 9, núm. 6289, p. 1-8. 
URIhttp://hdl.handle.net/2117/133944
DOI10.1038/s41598-019-42312-9
ISSN2045-2322
Publisher versionhttps://www.nature.com/articles/s41598-019-42312-9
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  • Departament de Física - Articles de revista [1.714]
  • SIMCON - First-principles approaches to condensed matter physics: quantum effects and complexity - Articles de revista [371]
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