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cond-mat.str-el2007
Kondo effect in an Antiferromagnetic metal
Vivek Aji, Chandra Varma, Ilya Vekhter
We study the fate of a spin-1/2 impurity in the itinerant antiferromagnetic metallic phase via a renormalization group analysis and a variational calculation. The local moment - co…
cond-mat.str-el2004
Non-uniform glassy electronic phases from competing local orders
Zohar Nussinov, Ilya Vekhter, Alexander V. Balatsky
We study non-uniform states and possible glassiness triggered by a competition between distinct local orders in disorder free systems. Both in Ginzburg-Landau theories and in simpl…
cond-mat.str-el2004
Non-fermi liquid behavior in itinerant antiferromagnets
I. Vekhter, A. V. Chubukov
We consider a two dimensional itinerant antiferromagnet near a quantum critical point. We show that, contrary to conventional wisdom, fermionic excitations in the ordered state are…