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cond-mat.str-el2009★ 16 cited
Spin correlations near the edge as probe of Dimer order in square-lattice Heisenberg models
T. Pardini, R. R. P. Singh
Recent numerical and analytical work has shown that for the square-lattice Heisenberg model the boundary can induce Dimer correlations near the edge which are absent in spin-wave t…
cond-mat.str-el2004
Ground state and finite temperature signatures of quantum phase transitions in the half-filled Hubbard model on a honeycomb lattice
Thereza Paiva, R. T. Scalettar, W. Zheng +2
We investigate ground state and finite temperature properties of the half-filled Hubbard model on a honeycomb lattice using quantum monte carlo and series expansion techniques. Unl…
cond-mat.str-el2004
Order and disorder in the triangular-lattice t-J-V model at 2/3 electron density
W. Zheng, J. Oitmaa, C. J. Hamer +1
Motivated by the recent discovery of superconductivity in NaCoOHO, we use series expansion methods and cluster mean-field theory to study spontaneous charge orde…