56 citations · 98 across the 2 of their papers we have counts for
2 papers
cond-mat.str-el2005★ 42 cited
Schwinger Boson approach to the fully screened Kondo model
J. Rech, P. Coleman, G. Zarand +1
We apply the Schwinger boson scheme to the fully screened Kondo model and generalize the method to include antiferromagnetic interactions between ions. Our approach captures the Ko…
cond-mat.str-el2005★ 56 cited
Sum Rules and Ward Identities in the Kondo Lattice
P. Coleman, I. Paul, J. Rech
We derive a generalized Luttinger-Ward expression for the Free energy of a many body system involving a constrained Hilbert space. In the large limit, we are able to explicity…