Bosonization of the Kondo problem
| Autor: | Cecilia von Reichenbach, Fidel A. Schaposnik, Eduardo Fradkin |
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| Rok vydání: | 1989 |
| Předmět: | |
| Zdroj: | Nuclear Physics B. 316:710-734 |
| ISSN: | 0550-3213 |
| DOI: | 10.1016/0550-3213(89)90065-5 |
| Popis: | We present a bosonized action for the SU(N) Kondo problem within the framework of path-integral non-abelian bosonization. We show that the model is equivalent to a level k = 2N + 1 Wess-Zumino-Witten theory coupled to impurity fields. We show that the system is scale invariant in the strong-coupling limit by explicit computation of the β-function. We calculate the magnetic susceptibility and the low-temperature specific heat in the same limit. |
| Databáze: | OpenAIRE |
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