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20022008
most citedA direct formulation for sparse PCA using semidefinite programming

125 citations

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cond-mat.str-el2005★ 8 cited

Effect of local charge fluctuations on spin physics in the Neel state of LaCuO

Luca Capriotti, Andreas Laeuchli, Arun Paramekanti

We explore the effect of local charge fluctuations on the spin response of a Mott insulator by deriving an effective spin model, and studying it using Schwinger boson mean field th…