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Abstract: We discuss the collisional formation of Efimov trimers via ultracoldfour-body recombination.
In particular, we consider the reaction A+A+A+B->A3+Bwith A and B ultracold atoms.
We obtain expressions for the four-bodyrecombination rate and show that it reflects the three-body Efimov physicseither as a function of collision energy or as a function of the two-bodys-wave scattering length between A atoms.
In addition, we briefly discussissues important for experimentally observing this interesting and relativelyunexplored process.



Autor: Yujun Wang Department of Physics, Kansas State University, B.
D.
Esry Department of Physics, Kansas State University


Fuente: https://arxiv.org/



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