Measuring overlaps in mesoscopic spin glasses via conductance fluctuations

Details Measuring overlaps in mesoscopic spin glasses via conductance fluctuations Measuring overlaps in mesoscopic spin glasses via conductance fluctuations

2007-10-18

arxiv.org/abs/0710.3442v1

Physics

Condensed Matter

Disordered Systems and Neural Networks

Scientific paper

10.1103/PhysRevLett.100.057207

We consider the electonic transport in a mesoscopic metallic spin glasses. We
show that the distribution of overlaps between spin configurations can be
inferred from the reduction of the conductance fluctuations by the magnetic
impurities. Using this property, we propose new experimental protocols to probe
spin glasses directly through their overlaps.

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