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Quantum Phase Transition in the Shape of Zr isotopes
Bibliographic Information
- Published
- 2016-10-17
- Resource Type
- journal article
- Rights Information
-
- http://link.aps.org/licenses/aps-default-license
- DOI
-
- 10.1103/physrevlett.117.172502
- 10.48550/arxiv.1606.09056
- Publisher
- American Physical Society (APS)
Search this article
Description
The rapid shape change in Zr isotopes near neutron number $N$=60 is identified to be caused by type II shell evolution associated with massive proton excitations to its $0g_{9/2}$ orbit, and is shown to be a quantum phase transition. Monte Carlo shell-model calculations are carried out for Zr isotopes of $N$=50-70 with many configurations spanned by eight proton orbits and eight neutron orbits. Energy levels and B(E2) values are obtained within a single framework in a good agreement with experiments, depicting various shapes in going from $N$=50 to 70. Novel coexistence of prolate and triaxial shapes is suggested.
5 pages, 4 figures
Journal
-
- Physical Review Letters
-
Physical Review Letters 117 (17), 172502-, 2016-10-17
American Physical Society (APS)
