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- W2099562227 abstract "The one-dimensional Kondo lattice model (1D KLM) is usually defined by the Kondo exchange $J$ between conduction electrons and spins of the array, and the hopping strength t for the moving electrons. Here, we also include a direct exchange $K$ term between spins of the lattice, and we investigate situations where the bare value of $K$ does not exceed $J$. By using the non-Abelian bosonization, we show that a coherent heavy-fermion phase can be stabilized, when the bare value of $K$ exceeds the RKKY exchange (ruled by $T_Asimeq J^2/t$). Conversely, when $K<T_A$, the low-energy fixed point is rather a Tomonaga-Luttinger (TL) liquid." @default.
- W2099562227 created "2016-06-24" @default.
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- W2099562227 date "1997-10-16" @default.
- W2099562227 modified "2023-09-27" @default.
- W2099562227 title "New results about the one dimensional Kondo lattice model" @default.
- W2099562227 hasPublicationYear "1997" @default.
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