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Simultaneous quadrupole and octupole shape phase transitions in Thorium (CROSBI ID 217250)

Prilog u časopisu | izvorni znanstveni rad | međunarodna recenzija

Li, Z.P. ; Song, B.Y. ; Yao, J.M. ; Vretenar, Dario ; Meng, Jie Simultaneous quadrupole and octupole shape phase transitions in Thorium // Physics letters. B, 726 (2013), 4/5; 866-869. doi: 10.1016/j.physletb.2013.09.035

Podaci o odgovornosti

Li, Z.P. ; Song, B.Y. ; Yao, J.M. ; Vretenar, Dario ; Meng, Jie

engleski

Simultaneous quadrupole and octupole shape phase transitions in Thorium

The evolution of quadrupole and octupole shapes in Th isotopes is studied in the framework of nuclear Density Functional Theory. Constrained energy maps and observables calculated with microscopic collective Hamiltonians indicate the occurrence of a simultaneous quantum shape phase transition between spherical and quadrupole-deformed prolate shapes, and between non-octupole and octupole-deformed shapes, as functions of the neutron number. The nucleus Th-224 is closest to the critical point of a double phase transition. A microscopic mechanism of this phenomenon is discussed in terms of the evolution of single-nucleon orbitals with deformation.

Hartree-Bogoliubov theory; atomic-nuclei; critical-point; evolution

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Podaci o izdanju

726 (4/5)

2013.

866-869

objavljeno

0370-2693

10.1016/j.physletb.2013.09.035

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Fizika

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