Hexadecapolar Kondo effect in URu2Si2?
We derive the coupling of a localized hexadecapolar mode to conduction electrons in tetragonal symmetry. The derivation can be easily adapted to arbitrary multipoles in an arbitrary environment. We relate our model to the two-channel Kondo (2CK) model and show that for an f(2) configuration a releva...
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| Veröffentlicht in: | Physical review letters 2011-12, Vol.107 (26), p.266405-266405 |
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| container_title | Physical review letters |
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| creator | Tóth, Anna I Kotliar, Gabriel |
| description | We derive the coupling of a localized hexadecapolar mode to conduction electrons in tetragonal symmetry. The derivation can be easily adapted to arbitrary multipoles in an arbitrary environment. We relate our model to the two-channel Kondo (2CK) model and show that for an f(2) configuration a relevant crystal field splitting in addition to the 2CK interaction is intrinsic to tetragonal symmetry. We discuss possible realizations of a hexadecapolar Kondo effect in URu(2)Si(2). Solving our model we find good agreement with susceptibility and specific heat measurements in Th(1-x)U(x)Ru(2)Si(2) (x≪1). |
| doi_str_mv | 10.1103/PhysRevLett.107.266405 |
| format | Article |
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| title | Hexadecapolar Kondo effect in URu2Si2? |
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