Berry Phase and Backbending [chapter]

P. Ring
2013 Fifty Years of Nuclear BCS  
Backbending is a typical phenomenon in the rotational spectra of superfluid nuclei. It is caused by the rotational alignment of a pair of nucleons and depends on topological properties of the Hartree-Fock-Bogoliubov spectrum in the rotating frame characterized by diabolic points and Berry phases.
doi:10.1142/9789814412490_0038 fatcat:ajsh3vnjwreo3i7cfsrep5ovy4