Using the new two-dimensional cranking relativistic mean field (RMF) approach, the shears mechanism of magnetic rotation based on configuration πh121/2νh-211/2 in 142Gd is microscopically and self-consistently exami...Using the new two-dimensional cranking relativistic mean field (RMF) approach, the shears mechanism of magnetic rotation based on configuration πh121/2νh-211/2 in 142Gd is microscopically and self-consistently examined by investigating the aligning angular momenta of the valence nucleons.展开更多
This study presents the systematics of energy staggering for magnetic rotational bands with M1 and E2 transition properties,which are strictly consistent with the features of good candidates of magnetic rotational ban...This study presents the systematics of energy staggering for magnetic rotational bands with M1 and E2 transition properties,which are strictly consistent with the features of good candidates of magnetic rotational bands in the A^80,110,130,and 190 mass regions.The regularities exhibited by these bands with respect to the staggering parameter,which increases with increasing spin,are in agreement with the semiclassical description of shears mechanism.Moreover,the abnormal behaviour in the backbend regions or close to band termination has also been discussed.Taking the magnetic dipole bands with same configuration in three N=58 isotones,i.e.,103Rh,105Ag,and 107In,as examples,the transition from chiral to magnetic rotation with the proton number approaching Z=50 is presented.Moreover,the self-consistent tilted axis and principle axis cranking relativistic mean-field theories are applied to investigate the rotational mechanism in the dipole band of 105Ag.展开更多
基金Supported by National Natural Science Foundation of China (10705004, 10435010, 10221003)
文摘Using the new two-dimensional cranking relativistic mean field (RMF) approach, the shears mechanism of magnetic rotation based on configuration πh121/2νh-211/2 in 142Gd is microscopically and self-consistently examined by investigating the aligning angular momenta of the valence nucleons.
基金Supported by National Natural Science Foundation of China(11675063,11205068,11847310,11775098)
文摘This study presents the systematics of energy staggering for magnetic rotational bands with M1 and E2 transition properties,which are strictly consistent with the features of good candidates of magnetic rotational bands in the A^80,110,130,and 190 mass regions.The regularities exhibited by these bands with respect to the staggering parameter,which increases with increasing spin,are in agreement with the semiclassical description of shears mechanism.Moreover,the abnormal behaviour in the backbend regions or close to band termination has also been discussed.Taking the magnetic dipole bands with same configuration in three N=58 isotones,i.e.,103Rh,105Ag,and 107In,as examples,the transition from chiral to magnetic rotation with the proton number approaching Z=50 is presented.Moreover,the self-consistent tilted axis and principle axis cranking relativistic mean-field theories are applied to investigate the rotational mechanism in the dipole band of 105Ag.
