Out-of-Equilibrium Dissipative ac—Susceptibility in Quantum Ising Spin Glass

Gaetano Busiello

Dipartimento di Fisica “E.R.Caianiello”, Università di Salerno, Fisciano-Salerno, Italy; CNISM-Consorzio Nazionale Interuniversitario per le Scienze Fisiche della Materia, Unità di Salerno, Salerno, Italy.

DOI: 10.4236/jmp.2013.46108                

Abstract

The imaginary part of the non-equilibrium magnetic susceptibility of Ising spin glass in a transverse field under time-dependent longitudinal external magnetic field has been calculated at very low temperature on the basis of quantum droplet model and quantum linear response theory. Quantum and aging effects on the low temperature dynamics of the model are discussed. A comparison with recent theoretical and experimental data in spin glass is made.

Keywords

Spin Glasses; Non-Equilibrium Dynamics; Droplet Theory

Conflicts of Interest

The authors declare no conflicts of interest.

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