Optical properties of (Pr,Ce)2CuO4

Details Optical properties of (Pr,Ce)2CuO4 Optical properties of (Pr,Ce)2CuO4

2004-04-20

arxiv.org/abs/cond-mat/0404466v1

Physics

Condensed Matter

Superconductivity

4 pages 2 figures included. Submitted to NATO Advanced Research Workshop Proceedings (Miami January 2004)

Scientific paper

We studied the optical conductivity of electron doped Pr{1-x)Ce(x)CuO(4) from the underdoped to the overdoped regime. The observation of low to high frequency spectral weight transfer reveals the presence of a gap, except in the overdoped regime. A Drude peak at all temperatures shows the partial nature of this gap. The close proximity of the doping at which the gap vanishes to the antiferromagnetic phase boundary leads us to assign this partial gap to a spin density wave.

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