Low-temperature behavior of disordered magnetic impurities: Distribution of effective Kondo temperatures
Several rare-earth compounds, low-dimensional organic conductors, and spin chains exhibit low-temperature divergences of their magnetic susceptibility and specific heat (non-Fermi-liquid behavior). Such divergences are often related to disordered ensembles of magnetic impurities in those systems....
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| Date: | 2004 |
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| Main Authors: | , |
| Format: | Article |
| Language: | English |
| Published: |
Фізико-технічний інститут низьких температур ім. Б.І. Вєркіна НАН України
2004
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| Series: | Физика низких температур |
| Subjects: | |
| Online Access: | http://dspace.nbuv.gov.ua/handle/123456789/119731 |
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| Journal Title: | Digital Library of Periodicals of National Academy of Sciences of Ukraine |
| Cite this: | Low-temperature behavior of disordered magnetic impurities: Distribution of effective Kondo temperatures / A.A. Zvyagin, A.V. Makarova // Физика низких температур. — 2004. — Т. 30, № 6. — С. 639-643. — Бібліогр.: 39 назв. — англ. |
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Digital Library of Periodicals of National Academy of Sciences of Ukraine| Summary: | Several rare-earth compounds, low-dimensional organic conductors, and spin chains exhibit
low-temperature divergences of their magnetic susceptibility and specific heat (non-Fermi-liquid
behavior). Such divergences are often related to disordered ensembles of magnetic impurities in
those systems. In this work the distribution function of the effective characteristic of a single magnetic
impurity, the Kondo temperature, is derived. We calculate how distributions of Kondo temperatures
depend on the effective dimensionality of the problem and on the concentration of impurities. |
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