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Pregled bibliografske jedinice broj: 179286

Časopis

Autori: Čapeta, Davor; Sunko, Denis K.
Naslov: Hysteresis in an Ising model with mobile bonds
Izvornik: Journal of magnetism and magnetic materials (0304-8853) 292 (2005); 359-366
Vrsta rada: članak
Ključne riječi: hysteresis; Ising model; glass
Sažetak:
Hysteresis is studied in a disordered Ising model in which diffusion of antiferromagnetic bonds is allowed in addition to spin flips. Saturation behavior changes to a figure-eight loop when diffusion is introduced. The upper and lower fields delimiting the figure-eight are determined by the Hamiltonian, while its surface and the crossing point depend on the temperature and details of the dynamics. The main avalanche is associated with the disappearance of hidden order. Some experimental observations of figure-eight anomalies are discussed. It is argued they are a signal of a transient rearrangement of domain couplings, characteristic of amorphous and/or magnetically soft samples, and similar to evolution of kinetic glasses.
Projekt / tema: 0119256
Izvorni jezik: ENG
Rad je indeksiran u
bazama podataka:
SCI-EXP, SSCI i/ili A&HCI
Current Contents Connect (CCC)
Scopus
Science Citation Index Expanded (SCI-EXP) (sastavni dio Web of Science Core Collectiona)
Kategorija: Znanstveni
Znanstvena područja:
Fizika
Puni text rada: 179286.hysteresis_condmat.pdf
URL Internet adrese: http://arxiv.org/abs/cond-mat/0411187
http://dx.doi.org/10.1016/j.jmmm.2004.11.552
URL cjelovitog teksta:
Google Scholar: Hysteresis in an Ising model with mobile bonds



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