Zeitschrift für Physik B Condensed Matter

ISSN: 0722-3277 (printed version)
ISSN: 1431-584X (electronic version)

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Abstract Volume 103 Issue 2 (1997) pp 181-183

Electronic and magnetic structure of LaCuO_2.5

B. Normand, T.M. Rice

Theoretische Physik, ETH-Hönggerberg, CH-8093 Zürich, Switzerland

Abstract. La_1-xSr_xCuO_2.5 is composed of coupled cuprate ladders, and admits hole doping without structural alteration. It is thus a candidate novel superconductor, although to date superconductivity has not been found. Here we study the undoped, parent state to elucidate the interplay between spin liquid and antiferromagnetic ground states in systems with potential for superconductivity.

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