Physics – Quantum Physics
Scientific paper
2008-09-22
Phys. Rev. Lett. 102, 133201 (2009)
Physics
Quantum Physics
5 pages, 3 figures
Scientific paper
10.1103/PhysRevLett.102.133201
We discuss the collisional formation of Efimov trimers via ultracold four-body recombination. In particular, we consider the reaction A+A+A+B->A3+B with A and B ultracold atoms. We obtain expressions for the four-body recombination rate and show that it reflects the three-body Efimov physics either as a function of collision energy or as a function of the two-body s-wave scattering length between A atoms. In addition, we briefly discuss issues important for experimentally observing this interesting and relatively unexplored process.
Esry B. D.
Wang Yujun
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