https://doi.org/10.1140/epja/s10050-020-00309-3
Regular Article – Theoretical Physics
Structure of the quartetting ground state of 
nuclei
1
Faculty of Physics, University of Bucharest, 405 Atomiştilor, POB MG-11, 077125, Bucharest-Măgurele, Romania
2
“Horia Hulubei” National Institute of Physics and Nuclear Engineering, 30 Reactorului, 077125, Bucharest-Măgurele, Romania
Received:
24
September
2020
Accepted:
17
November
2020
Published online:
7
January
2021
The formal equivalence between the quartetting picture and the symmetry restored BCS picture is established for the ground state correlations induced by the general isovector-isoscalar pairing interaction. Multiple ground state structures compatible with the particle number and isospin symmetries are evaluated. The competition of isovector and isoscalar correlations is discussed for the nuclei above 
Sn.
A. G. Serban and D. R. Nichita authors contributed equally to this study.
© Società Italiana di Fisica and Springer-Verlag GmbH Germany, part of Springer Nature 2021
