کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
1626200 | 1516435 | 2007 | 4 صفحه PDF | دانلود رایگان |
عنوان انگلیسی مقاله ISI
A many-body perturbation calculation of 4fN-4fNâ15d electric dipole moments for lanthanide ions
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کلمات کلیدی
موضوعات مرتبط
مهندسی و علوم پایه
مهندسی مواد
فلزات و آلیاژها
پیش نمایش صفحه اول مقاله
چکیده انگلیسی
It has been shown previously that, by using many-body perturbation theory, the electric dipole moment for transitions between exact energy eigenstates dominated by 4fN and 4fNâ15d configurations can be calculated with an effective electric dipole operator composed of one- and two-body interactions. Especially, the one-body part of this effective operator is proportional to the original electric dipole moment, but with a reduced radial integral ã5d|r|4fãeff = (1 â δ)ã5d|r|4fã. We obtain the values of parameters charactering the effective operator for all the lanthanide trivalent and divalent ions via a pseudorelativistic Hartree-Fock calculation. The trend of these parameters is analyzed. The impact of the values obtained on the reinterpretation of literature emission lifetimes is given.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Journal of Alloys and Compounds - Volume 439, Issues 1â2, 31 July 2007, Pages 363-366
Journal: Journal of Alloys and Compounds - Volume 439, Issues 1â2, 31 July 2007, Pages 363-366
نویسندگان
Tao Chen, Chang-Kui Duan, Shangda Xia,