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A non-linear dissipative model of magnetism
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SYSNO ASEP 0342478 Document Type J - Journal Article R&D Document Type Journal Article Subsidiary J Článek ve WOS Title A non-linear dissipative model of magnetism Author(s) Durand, P. (FR)
Paidarová, Ivana (UFCH-W) RID, ORCIDSource Title EPL : Europhysics Letters. - : Institute of Physics Publishing - ISSN 0295-5075
Roč. 89, č. 6 (2010), s. 67004Number of pages 5 s. Language eng - English Country GB - United Kingdom Keywords non-linear dissipative model of magnetism ; thermodynamics ; physical chemistry Subject RIV CF - Physical ; Theoretical Chemistry R&D Projects IAA100400501 GA AV ČR - Academy of Sciences of the Czech Republic (AV ČR) CEZ AV0Z40400503 - UFCH-W (2005-2011) UT WOS 000279115100020 DOI 10.1209/0295-5075/89/67004 Annotation A new non-linear dissipative model of magnetism based on the laws of statistical physics is presented. The linear response theory is extended to pass from a quasi-static dynamics to the actual dynamics. The non-equilibrium dissipative dynamics explicitly takes into account the relaxation phenomena as well as the jumps over the energy barriers. The approach provides kinetic equations analogous to the phenomenological laws of transport appearing in the extended thermodynamics. The model holds from molecular magnets possessing plateaus to bulk magnetic materials. An energetic and entropic analysis along the lines initiated by Jaynes and Prigogine provides a deeper understanding of the non-equilibrium thermodynamics. Workplace J. Heyrovsky Institute of Physical Chemistry Contact Michaela Knapová, michaela.knapova@jh-inst.cas.cz, Tel.: 266 053 196 Year of Publishing 2011
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