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Sources of Quantum Protection in High-Tc Superconductivity

Philip W. Anderson
Science
New Series, Vol. 288, No. 5465 (Apr. 21, 2000), pp. 480-482
Stable URL: http://www.jstor.org/stable/3075001
Page Count: 3
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Sources of Quantum Protection in High-Tc Superconductivity
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Abstract

The layer-structure cuprates with high superconducting transition temperatures Tc exhibit a number of anomalous electronic properties in both superconducting and normal states. These anomalies are ascribed to the existence of independent spectra of excitations for charge and for spin, signaling a collective state, a "quantum protectorate."

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