Crossover from Anderson- to Kondo-like behavior: Universality induced by spin-charge separation
arXiv:cond-mat/0505570 · doi:10.1103/PhysRevB.71.144421
Abstract
The thermodynamics of a lattice regularized asymmetric Anderson impurity in a correlated host is obtained by an exact solution. The crossover from the Anderson- to the Kondo-regime is studied, thus making contact with predictions by scaling theory. On the basis of the exact solution, the transition to universal Kondo behavior is shown to be realized by a graduate separation of the energy scales of spin and charge excitations.
arXiv comment18 pages, 5 figures
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