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Hyperspherical approach to atom--dimer collision with the Jacobi boundary condition
- Publication Year :
- 2022
-
Abstract
- In this study, we investigate atom--dimer scattering within the framework of the hyperspherical method. The coupled channel Schr\"odinger equation is solved using the R-matrix propagation technique combined with the smooth variable discretization method. In the matching procedure, the asymptotic wave functions are expressed in the rotated Jacobi coordinates. We apply this approach to the elastic scattering $^{3}$He(T$\uparrow$) + $^{4}$He$_{2}$ and H$\uparrow$ + H$\uparrow$Li processes. The convergence of the scattering length as a function of the propagation distance is studied. We find that the method is reliable and can provide considerable savings over previous propagators.
- Subjects :
- Physics - Atomic Physics
Condensed Matter - Quantum Gases
Subjects
Details
- Database :
- arXiv
- Publication Type :
- Report
- Accession number :
- edsarx.2202.08528
- Document Type :
- Working Paper
- Full Text :
- https://doi.org/10.1007/s00601-022-01775-9