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Journal Articles Physical Review Letters Year : 2013

Magnetic dephasing in mesoscopic spin glasses

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Abstract

We have measured Universal Conductance Fluctuations in the metallic spin glass Ag:Mn as a function of temperature and magnetic field. From this measurement, we can access the phase coherence time of the electrons in the spin glass. We show that this phase coherence time increases with both the inverse of the temperature and the magnetic field. From this we deduce that decoherence mechanisms are still active even deep in the spin glass phase.
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Dates and versions

ensl-00806023 , version 1 (29-03-2013)

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Thibaut Capron, Guillaume Forestier, Angela Perrat-Mabilon, Christophe Peaucelle, Tristan Meunier, et al.. Magnetic dephasing in mesoscopic spin glasses. Physical Review Letters, 2013, 111, pp.187203. ⟨10.1103/PhysRevLett.111.187203⟩. ⟨ensl-00806023⟩
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