Glauber dynamics in a single-chain magnet: From theory to real systems

Claude Coulon, Rodolphe Clérac, Lollita Lecren, Wolfgang Wernsdorfer, Hitoshi Miyasaka

研究成果: Article

183 引用 (Scopus)

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The Glauber dynamics is studied in a single-chain magnet. As predicted, a single relaxation mode of the magnetization is found. Above 2.7 K, the thermally activated relaxation time is mainly governed by the effect of magnetic correlations and the energy barrier experienced by each magnetic unit. This result is in perfect agreement with independent thermodynamical measurements. Below 2.7 K, a crossover towards a relaxation regime is observed that is interpreted as the manifestation of finite-size effects. The temperature dependences of the relaxation time and of the magnetic susceptibility reveal the importance of the boundary conditions.

元の言語English
記事番号132408
ページ(範囲)132408-1-132408-4
ジャーナルPhysical Review B - Condensed Matter and Materials Physics
69
発行部数13
DOI
出版物ステータスPublished - 2004 4

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics

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