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Zero-temperature hysteresis in an anti-ferromagnetic Ising chain with quenched random fields

✍ Scribed by Prabodh Shukla

Publisher: Elsevier Science
Year: 1996
Tongue: English
Weight: 540 KB
Volume: 233
Category: Article
ISSN: 0378-4371
DOI: 10.1016/s0378-4371(96)00217-8

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✦ Synopsis

We discuss the non-equilibrium dynamics of an anti-ferromagnetic Ising chain in a quenched random field. Our discussion is mainly in the context of magnetic hysteresis, but its relation to the problem of random sequential adsorption is also noted.

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✍ Prabodh Shukla 📂 Article 📅 1996 🏛 Elsevier Science 🌐 English ⚖ 356 KB

A probabilistic method is used to obtain an exact solution of the zero-temperature hysteretic dynamics of a one-dimensional Ising model with quenched random fields. The result is discussed in the context of the Barkhausen noise observed in experiments as well as numerical simulations. Growing appre