Publications

Time-Dependent Order Parameters in Spin-Glasses

It is proposed that the spin-glass phase is described by two order parameters q(x)=[]a v and chi(x)=txchi(t) dt, that measure the relaxations of the average autocorrelation and susceptibility along macroscopic time scales, tx, which are parametrized in a decreasing order by x∈[0,1]. The function q decays from a finite value at t1 to zero at t0, while chi increases from chi(1) to a value chi(0) which is independent of temperature in the mean-field limit. The equilibrium results agree with Parisi’s replica solution.

Authors: H. Sompolinsky
Year of publication: 1981
Journal: Phys. Rev. Lett. 47, 935 – Published 28 September 1981

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“Working memory”