On large-scale shell model calculations in 4He. Bishop, R. F., Flynn, M. F., Bosca, M. C., Buendia, E., & Guardiola, R. *Journal of Physics G: Nuclear and Particle Physics*, 16(3):L61, 1990. Paper doi abstract bibtex Most shell-model calculations of 4He require very large basis space for the energy spectrum to stabilise. Coupled cluster methods and an exact treatment of the centre-of-mass motion dramatically reduce the number of configurations. The authors thereby obtain almost exact results with small bases, but which include states of very high excitation energy.

@article{bishop_large-scale_1990,
abstract = {Most shell-model calculations of 4He require very large basis space for the energy spectrum to stabilise. Coupled cluster methods and an exact treatment of the centre-of-mass motion dramatically reduce the number of configurations. The authors thereby obtain almost exact results with small bases, but which include states of very high excitation energy.},
author = {Bishop, R. F. and Flynn, M. F. and Bosca, M. C. and Buendia, E. and Guardiola, R.},
doi = {10.1088/0954-3899/16/3/005},
issn = {09543899},
journal = {Journal of Physics G: Nuclear and Particle Physics},
number = {3},
pages = {L61},
title = {{On large-scale shell model calculations in 4He}},
url = {http://stacks.iop.org/0954-3899/16/i=3/a=005},
volume = {16},
year = {1990}
}

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