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arXiv 0709.2064cond-mat.dis-nncond-mat.mtrl-sci
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偶极玻璃和自旋玻璃中非遍历现象的唯象理论

Phenomenological theory of nonergodic phenomena in dipole- and spin-glasses

P. N. Timonin

摘要:

偶极和自旋玻璃的路径依赖的磁化(极化)和磁化率的分析描述的温度和场的变化的标准协议,使用现象学的朗道型描述的多个亚稳态在非遍历相。解释和描述了温度循环实验中亚稳态多重性的直接表现,即磁化(极化)曲线的阶梯。所得结果与现有的实验数据是在一个合理的定性协议。

英文摘要:

The path-dependent magnetizations (polarizations) and susceptibilities in dipole- and spin-glasses are described analytically for the standard protocols of temperature and field variations using the phenomenological Landau-type description of multiple metastable states in the nonergodic phases. The immediate manifestation of metastable states' multiplicity as staircases of magnetizations (polarizations) curves in the temperature cycling experiments is explained and described. The obtained results are in a reasonable qualitative agreement with the existing experimental data.

机构、总结、中文摘要均由AI分析而来,可能存在错误,请以论文正文为准。

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