Matches in SemOpenAlex for { <https://semopenalex.org/work/W2005315213> ?p ?o ?g. }
- W2005315213 abstract "We apply a contour deformation technique in momentum space to the newly developed Gamow shell model, using the drip-line nuclei $^{5}mathrm{He}$, $^{6}mathrm{He}$, and $^{7}mathrm{He}$ as test cases. A major problem in Gamow shell-model studies of nuclear many-body systems is the increasing number of many-body configurations due to the large number of resonant and complex-continuum single-particle orbits necessary to reproduce multiparticle bound and resonant states. We address this problem using two different effective operator approaches generalized to the complex momentum plane. These are the Lee-Suzuki similarity transformation method for complex interactions and the multireference perturbation theory method. We show that a combination of these two approaches results in a drastic truncation of the number of relevant configurations compared with direct diagonalization. This offers interesting perspectives for studies of weakly bound systems." @default.
- W2005315213 created "2016-06-24" @default.
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- W2005315213 date "2005-04-26" @default.
- W2005315213 modified "2023-10-09" @default.
- W2005315213 title "Effective interaction techniques for the Gamow shell model" @default.
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- W2005315213 doi "https://doi.org/10.1103/physrevc.71.044314" @default.
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