Universal physics of 2+1 particles with non-zero angular momentum

Shimpei Endo; Pascal Naidon; Masahito Ueda

doi:10.1007/s00601-011-0229-6

Universal physics of 2+1 particles with non-zero angular momentum

Shimpei Endo, Pascal Naidon, Masahito Ueda

Research output: Contribution to journal › Article › Research › peer-review

30 Citations (Scopus)

Abstract

The zero-energy universal properties of scattering between a particle and a dimer that involves an identical particle are investigated for arbitrary scattering angular momenta. For this purpose, we derive an integral equation that generalises the Skorniakov-Ter-Martirosian equation to the case of non-zero angular momentum. As the mass ratio between the particles is varied, we find various scattering resonances that can be attributed to the appearance of universal trimers and Efimov trimers at the collisional threshold.

Original language	English
Pages (from-to)	207-217
Number of pages	11
Journal	Few-Body Systems
Volume	51
Issue number	2
DOIs	https://doi.org/10.1007/s00601-011-0229-6
Publication status	Published - Nov 2011
Externally published	Yes

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AB - The zero-energy universal properties of scattering between a particle and a dimer that involves an identical particle are investigated for arbitrary scattering angular momenta. For this purpose, we derive an integral equation that generalises the Skorniakov-Ter-Martirosian equation to the case of non-zero angular momentum. As the mass ratio between the particles is varied, we find various scattering resonances that can be attributed to the appearance of universal trimers and Efimov trimers at the collisional threshold.

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Universal physics of 2+1 particles with non-zero angular momentum

Abstract

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