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cond-mat.dis-nn2011★ 13 cited
Dissipationless dynamics of randomly coupled spins at high temperatures
Lara Faoro, Lev Ioffe, Alexei Kitaev
We develop a technique to compute the high-frequency asymptotics of spin correlators in weakly interacting disordered spin systems. We show that the dynamical spin correlator decre…
cond-mat.mes-hall2011★ 3 cited
Fractal spin structures as origin of 1/f magnetic noise in superconducting circuits
K. Kechedzhi, L. Faoro, L. B. Ioffe
We analyze recent data on the complex inductance of dc SQUIDs that show 1/f inductance noise highly correlated with conventional 1/f flux noise. We argue that these data imply a fo…