| Автор | S M M Evans |
| Автор | T Chung |
| Автор | G A Gehring |
| Дата выпуска | 1989-12-25 |
| dc.description | The authors use a slave-boson technique in the mean-field approximation to obtain the temperature dependence of the valence, n<sub>f</sub>, the susceptibility, chi <sub>S</sub>, and the specific heat, C<sub>V</sub>, for a lattice of mixed-valence ions. They find that the mean-field solution is sufficient to extrapolate between the low- and high-temperature regimes giving for example an enhanced Pauli-like susceptibility for low T and a Curie-Weiss-like susceptibility at high T. They consider an extension to the Anderson model in which direct f-f- hopping is included and show that such a model exhibits a variety of interesting low-temperature behaviour. |
| Формат | application.pdf |
| Издатель | Institute of Physics Publishing |
| Название | A mean-field theory of the transition from local-moment to heavy-fermion behaviour |
| Тип | paper |
| DOI | 10.1088/0953-8984/1/51/018 |
| Electronic ISSN | 1361-648X |
| Print ISSN | 0953-8984 |
| Журнал | Journal of Physics: Condensed Matter |
| Том | 1 |
| Первая страница | 10473 |
| Последняя страница | 10486 |
| Аффилиация | S M M Evans; Dept. of Theor. Phys., Oxford Univ., UK |
| Аффилиация | T Chung; Dept. of Theor. Phys., Oxford Univ., UK |
| Аффилиация | G A Gehring; Dept. of Theor. Phys., Oxford Univ., UK |
| Выпуск | 51 |
