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Computing Atomic Nuclei

Structure of atomic nuclei studied within nuclear Density Functional Theory.

Our research seeks to provide meaningful estimates of numerous observables and phenomena observed experimentally in atomic nuclei.
We focus on evaluating the electromagnetic moments of odd nuclei, where the polarisation effects and time-odd mean fields are critical. This research, led by the nuclear theory group at York, provides a solid foundation for studying symmetry-breaking nuclear moments and transitions in the quest for unknown features of fundamental interactions in nuclei. Atomic nuclei and their structural properties are central to this research, as nuclei serve as transmitters of the fundamental symmetry-breaking effects that enable precision measurements in atoms and molecules.
We also investigate the properties of nuclear fission through innovative implementations and sophisticated calculations, aiming to find the most reliable and achievable description of this highly complex many-body phenomenon. Several other research avenues enable us to improve our understanding of isospin-symmetry breaking, proton-neutron correlations, pairing, and nuclear collectivity.
Our long-term goal is to develop novel density functionals that provide a comprehensive, unified description of various classes of nuclear phenomena. This research is undertaken as part of a broad international collaboration among York and the universities of Warsaw (Poland), Lyon (France), Michigan (USA), and Jyväskylä (Finland).

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Artist's impression of various nuclear shapes, ranging from the spherical 100Sn, through superdeformed and octupole-deformed 152Dy and 225Ra, to a fissioning 140Pu, all set against the backdrop of a large supercomputer.