Sarma, D. D. ; Vishnu Kamath, P. (1987) Estimation of electron-electron interaction strengths for the rare-earth metals from Xα calculations Physical Review B: Condensed Matter and Materials Physics, 36 (14). pp. 7402-7406. ISSN 1098-0121
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Official URL: http://prb.aps.org/abstract/PRB/v36/i14/p7402_1
Related URL: http://dx.doi.org/10.1103/PhysRevB.36.7402
Abstract
We give a simple method within the Xα approximation to calculate various electron-electron and -hole interaction strengths U from variation in the one-electron orbital energies with respect to changes in the orbital occupancies. The values of different U's such as Uff and Ufc, calculated within the present scheme for the rare-earth series compare well with previously obtained experimental as well as theoretical estimates, wherever available. The present estimation of Ufd is considerably lower than the values suggested earlier in the literature.
| Item Type: | Article |
|---|---|
| Source: | Copyright of this article belongs to The American Physical Society. |
| ID Code: | 46367 |
| Deposited On: | 04 Jul 2011 11:36 |
| Last Modified: | 04 Jul 2011 11:36 |
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