Confinement-induced unatomic trimer states

D. S. Rosa; R. M. Francisco; T. Frederico; G. Krein; M. T. Yamashita

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arXiv · 2408.02362

Confinement-induced unatomic trimer states

D. S. Rosa·R. M. Francisco·T. Frederico·G. Krein·M. T. Yamashita

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Abstract

The signature of an unatomic system is revealed by a continuous scale invariance that appears during a progressive dimensional squeezing of a resonantly interacting trimer. The unatomic regime is reached at the dimension $\overline D$, which for three identical atoms is found to be $\overline D=2.292$ - below this value, the trimer wave function at short distances displays a power-law behaviour. The fingerprint of this crossover is a sharp evolution of the contacts that characterizes the trimer momentum distribution tail.

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D. S. Rosa, R. M. Francisco, T. Frederico, G. Krein, M. T. Yamashita. 2024-08-05. Confinement-induced unatomic trimer states. https://arxiv.org/abs/2408.02362

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