News and Views
Nature Physics 5, 623 - 624 (2009)
doi:10.1038/nphys1386
Subject Category: Condensed-matter physics
Spins in superconductors: Mobile or not?
Matthias Vojta1
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Matthias Vojta is at the Institut für Theoretische Physik, Universität zu Köln, 50937 Köln, Germany.
e-mail: vojta@thp.uni-koeln.de
Abstract
Whether the magnetic response of the copper oxide high-temperature superconductors is governed by itinerant quasiparticles or localized electrons is a hotly debated question. Evidence for the latter suggests an intricate connection to the parent Mott insulator.
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