In the last several years since 2004 an important new finding has been unveiled by combined efforts due to Japanese (Satoru Tanaka), French (Renaud Deguen, Y Albousierre and Marc Monnereau), American and Chinese g...In the last several years since 2004 an important new finding has been unveiled by combined efforts due to Japanese (Satoru Tanaka), French (Renaud Deguen, Y Albousierre and Marc Monnereau), American and Chinese geophysicists (Xiaodong Song and Vernon F Cormier) who employed from unambi- guous detailed seismological evidence and explained by clear theoretical and sound laboratory arguments drawn from fluid dynamics that there exists a strong East-West hemi-spherical asymmetry on the inner- outer core boundary,展开更多
The projected total energy surface(PTES)approach has been developed based on the triaxial projected shell model(TPSM)hybridized with the macroscopic–microscopic method.The total energy of an atomic nucleus is decompo...The projected total energy surface(PTES)approach has been developed based on the triaxial projected shell model(TPSM)hybridized with the macroscopic–microscopic method.The total energy of an atomic nucleus is decomposed into macroscopic,microscopic and rotational terms.The macroscopic and microscopic components are described with the liquid drop model and Strutinsky method,respectively,and the rotational energy is given by the TPSM,the term beyond the mean field.To test theory,the PTES calculations have been carried out for the yrast states of the well deformed rare earth nucleus172W,and the theoretical results are in good agreement with the experimental data.By using the equilibrium quardrupole deformations(ε2andγ)determined by the PTES,the calculation of the transition quardrupole moment(Qt)in function of spin also reproduces the experimental data.A comparison between the PTES and TRS methods has been made for theoretical and application uses.展开更多
基金the Institute of Geodesy and Geophysics, CAS in Wuhanthe National Natural Science Foundation of China
文摘In the last several years since 2004 an important new finding has been unveiled by combined efforts due to Japanese (Satoru Tanaka), French (Renaud Deguen, Y Albousierre and Marc Monnereau), American and Chinese geophysicists (Xiaodong Song and Vernon F Cormier) who employed from unambi- guous detailed seismological evidence and explained by clear theoretical and sound laboratory arguments drawn from fluid dynamics that there exists a strong East-West hemi-spherical asymmetry on the inner- outer core boundary,
基金supported by the National Natural Science Foundation of China (Grant Nos.11047171,11301508,11175258,11021504 and 11275068)the Knowledge Innovation Project of the Chinese Academy of Sciences (Grant No.KJCX2-SW-N02)the Key Project of Science and Technology Research of Education Ministry of China (Grant No.209053).
文摘The projected total energy surface(PTES)approach has been developed based on the triaxial projected shell model(TPSM)hybridized with the macroscopic–microscopic method.The total energy of an atomic nucleus is decomposed into macroscopic,microscopic and rotational terms.The macroscopic and microscopic components are described with the liquid drop model and Strutinsky method,respectively,and the rotational energy is given by the TPSM,the term beyond the mean field.To test theory,the PTES calculations have been carried out for the yrast states of the well deformed rare earth nucleus172W,and the theoretical results are in good agreement with the experimental data.By using the equilibrium quardrupole deformations(ε2andγ)determined by the PTES,the calculation of the transition quardrupole moment(Qt)in function of spin also reproduces the experimental data.A comparison between the PTES and TRS methods has been made for theoretical and application uses.