Optical and transport properties in doped two-leg ladder antiferromagnet

Details Optical and transport properties in doped two-leg ladder antiferromagnet Optical and transport properties in doped two-leg ladder antiferromagnet

2002-03-13

arxiv.org/abs/cond-mat/0203272v1

Phys. Rev. B65, 155117 (2002)

Physics

Condensed Matter

Strongly Correlated Electrons

13 pages, 5 figures, accepted for publication in Phys. Rev. B65 (2002) (April 15 issue)

Scientific paper

10.1103/PhysRevB.65.155117

Within the t-J model, the optical and transport properties of the doped two-leg ladder antiferromagnet are studied based on the fermion-spin theory. It is shown that the optical and transport properties of the doped two-leg ladder antiferromagnet are mainly governed by the holon scattering. The low energy peak in the optical conductivity is located at a finite energy, while the resistivity exhibits a crossover from the high temperature metallic-like behavior to the low temperature insulating-like behavior, which are consistent with the experiments.

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