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Charge susceptibility in Kondo systems at half filling: DMRG study

Schmitteckert, P. ; Evers, Ferdinand


In this brief communication, the charge susceptibility, χc,imp, is calculated for the single impurity Anderson model in the Kondo regime with the density matrix renormalization group theory (DMRG). Excellent agreement with the Bethe-Ansatz (BA) results is found in the appropriate limit where the (effective) level broadening Γ☆ and the charging energy, U, are much smaller than the conduction ...


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