### Abstract

The spin density matrix (SDM) used in atomic and molecular physics is revisited for nuclear physics, in the context of the radial density functional theory. The vector part of the SDM defines a 'hedgehog' situation, which exists only if nuclear states contain some amount of parity violation. A toy model is given as an illustrative example.

Original language | English (US) |
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Article number | 065301 |

Journal | Physica Scripta |

Volume | 90 |

Issue number | 6 |

DOIs | |

State | Published - Jun 1 2015 |

### Keywords

- parity violation
- rotation invariance
- spin density functional

### ASJC Scopus subject areas

- Atomic and Molecular Physics, and Optics
- Mathematical Physics
- Condensed Matter Physics

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## Cite this

Barrett, B. R., & Giraud, B. G. (2015). Testing for parity violation in nuclei using spin density matrices for nuclear density functionals.

*Physica Scripta*,*90*(6), [065301]. https://doi.org/10.1088/0031-8949/90/6/065301