Abstract
We consider two identical fermions interacting in the p-wave channel.
Each fermion also interacts with another particle in the vicinity
of an s-wave resonance. We find that in addition to the Kartavtsev-Malykh
universal trimer states resulting from the s-wave particle-fermion
interaction, the fermion-fermion p-wave interaction induces one or
two shallow trimers in a large domain of the control parameters, including
a borromean regime where the ground-state trimer exists in the absence
of dimer at any mass ratio between the fermions and the particle.
A generic picture of the trimer spectrum emerges from this work in
terms of the low-energy parameters of the interactions.
Funder
Japan Society for the Promotion of Science
Subject
General Physics and Astronomy
Cited by
3 articles.
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