2 papers
cond-mat1995
Spin Dynamics of Hole Doped
E. Dagotto, J. Riera, A. Sandvik +1
We propose an electronic model for the recently discovered hole doped compound . From a multiband Hamiltonian with oxygen and nickel orbitals, a one…
cond-mat1992
Basis Set Reduction Applied to the Two Dimensional t-Jz Model
Jose Riera, Elbio Dagotto
A simple variation of the Lanczos method is discussed. The new technique is based on a systematic reduction of the size of the Hilbert space of the model under consideration. As an…