most citedJahn-Teller like origin of the tetragonal distortion in disordered Fe-Pd magnetic shape memory alloys

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cond-mat.str-el2008★ 38 cited

Temperature dependent optical conductivity of undoped cuprates with weak exchange

J. Malek, S. -L. Drechsler, U. Nitzsche +2

The optical conductivity sigma(omega) is calculated at finite temperature T for CuO_2 chain clusters within a pd-Hubbard model. Data at T = 300 K for Li_2CuO_2 are reanalyzed withi…