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Quantum State Preparation Representation Quantum Simulation Open Quantum Systems Decoherence Entanglement Theory Quantum Correlations

Five-Body Efimov Effect and Universal Pentamer in Fermionic Mixtures

arXiv
Authors: Betzalel Bazak, Dmitry S. Petrov

Year

2016

Paper ID

41526

Status

Preprint

Abstract Read

~2 min

Abstract Words

109

Citations

N/A

Abstract

We show that four heavy fermions interacting resonantly with a lighter atom (4+1 system) become Efimovian at mass ratio 13.279(2), which is smaller than the corresponding 2+1 and 3+1 thresholds. We thus predict the five-body Efimov effect for this system in the regime where any of its subsystem is non- Efimovian. For smaller mass ratios we show the existence and calculate the energy of a universal 4+1 pentamer state, which continues the series of the 2+1 trimer predicted by Kartavtsev and Malykh and 3+1 tetramer discovered by Blume. We also show that the effective-range correction for the light-heavy interaction has a strong effect on all these states and larger effective ranges increase their tendency to bind.

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  • We show that four heavy fermions interacting resonantly with a lighter atom (4+1 system) become Efimovian at mass ratio 13.279(2), which is smaller than the corresponding 2+1...

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References & Citation Signals

[1] DOI https://doi.org/arXiv:1612.09341 [2] arXiv https://arxiv.org/abs/1612.09341 [3] Publisher https://arxiv.org/abs/1612.09341

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