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1998

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Please use this identifier to cite or link to this item: https://hdl.handle.net/2445/10491

Dissipation in quasistatically driven disordered systems

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http://dx.doi.org/10.1103/PhysRevB.58.5628

Abstract

This work presents an analysis of hysteresis and dissipation in quasistatically driven disordered systems. The study is based on the random field Ising model with fluctuationless dynamics. It enables us to sort out the fraction of the energy input by the driving field stored in the system and the fraction dissipated in every step of the transformation. The dissipation is directly related to the occurrence of avalanches, and does not scale with the size of Barkhausen magnetization jumps. In addition, the change in magnetic field between avalanches provides a measure of the energy barriers between consecutive metastable states

Subject

Caos (Teoria de sistemes), Histèresi, Model d'Ising, Energia

Subject (English)

Chaotic behavior in systems, Hysteresis, Ising model, Force and energy

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Articles publicats en revistes (Física Quàntica i Astrofísica)

Citation

ORTÍN, Jordi and GOICOECHEA, Jürgen. Dissipation in quasistatically driven disordered systems. Physical Review B. 1998. Vol. 58, num. 9, pags. 5628-5631. ISSN 0163-1829. [consulted: 10 of June of 2026]. Available at: https://hdl.handle.net/2445/10491

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