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cond-mat.str-el2001
Dynamical mean-field theory for the normal phase of the attractive Hubbard model
M. Keller, W. Metzner, U. Schollwoeck
We analyze the normal phase of the attractive Hubbard model within dynamical mean-field-theory. We present results for the pair-density, the spin-susceptibility, the specific heat,…
cond-mat.str-el2001
A single impurity in a Luttinger liquid: How it "cuts" the chain
V. Meden, W. Metzner, U. Schollwoeck +1
Using a fermionic renormalization group method we present a simple real space picture of the strong influence an impurity has on the electronic properties of a Luttinger liquid. We…