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Out-of-Equilibrium Dissipative <i>ac</i>—Susceptibility in Quantum Ising Spin Glass
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
- 1 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
Journal of Modern Physics·Volume 04 (2013)·Pages 784–790·Published 13 June 2013·DOI10.4236/jmp.2013.46108
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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.
KeywordsSpin GlassesNon-Equilibrium DynamicsDroplet Theory
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