Naslov
Universality of size-energy ratio in four-body systems

Autori
Stipanović, Petar ; Vranješ Markić, Leandra ; Gudyma, Andrii ; Boronat, Jordi

Izvornik
Scientific reports (2045-2322) 9 (2019); 6289, 8

Vrsta, podvrsta i kategorija rada
Radovi u časopisima, članak, znanstveni

Ključne riječi
Universality ; Size-Energy Scaling ; Scaling Laws ; Four-Body Systems ; Monte Carlo

Sažetak
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.

Izvorni jezik
Engleski

Znanstvena područja
Fizika

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