Universality of excited three-body bound states in one dimension.
- Resource Type
- Article
- Authors
- Happ, Lucas; Zimmermann, Matthias; Efremov, Maxim A
- Source
- Journal of Physics B: Atomic, Molecular & Optical Physics. 1/5/2022, Vol. 55 Issue 1, p1-15. 15p.
- Subject
- *EXCITED states
*BINDING energy
*WAVE functions
*ENERGY function
*WAVE energy
*BOUND states
- Language
- ISSN
- 0953-4075
We study a heavyâ€"heavyâ€"light three-body system confined to one space dimension in the regime where an excited state in the heavyâ€"light subsystems becomes weakly bound. The associated two-body system is characterized by (i) the structure of the weakly-bound excited heavyâ€"light state and (ii) the presence of deeply-bound heavyâ€"light states. The consequences of these aspects for the behavior of the three-body system are analyzed. We find a strong indication for universal behavior of both three-body binding energies and wave functions for different weakly-bound excited states in the heavyâ€"light subsystems. [ABSTRACT FROM AUTHOR]