Three-body continuum discretization in a basis of transformed harmonic oscillator states

Details Three-body continuum discretization in a basis of transformed harmonic oscillator states Three-body continuum discretization in a basis of transformed harmonic oscillator states

2005-05-31

arxiv.org/abs/nucl-th/0505081v1

Phys.Rev. C72 (2005) 024007

Physics

Nuclear Physics

Nuclear Theory

12 figures, submitted to PRC

Scientific paper

10.1103/PhysRevC.72.024007

The inclusion of the continuum in the study of weakly-bound three-body systems is discussed. A transformed harmonic oscillator basis is introduced to provide an appropriate discrete and finite basis for treating the continuum part of the spectrum. As examples of the application of the method the strength functions corresponding to several operators that couple the ground state to the continuum are investigated, for 6He, and compared with previous calculations. It is found that the energy moments of these distributions are accurately reproduced with a small basis set.

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