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Macroscopic magnetoresistance of an assembly of parallel flat conducting slabs

机译:平行扁平导电板组件的宏观磁阻

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摘要

The macroscopic resistivity tensor of a two-constituent flat-slab composite structure subject to an external magnetic field B is found by exact evaluation of the local electric field and current density. Despite the seemingly simple route to this exact calculation, some of the results are surprising. In particular, circumstances are found under which the macroscopic Ohmic resistivities keep increasing with B without any saturation, even when the constituent Ohmic resistivities have saturated. We also present an approximate treatment of the macroscopic resistivity tensor for an isotropic microstructure.
机译:通过对局部电场和电流密度的精确评估,发现经受外部磁场B的双组分平板复合结构的宏观电阻率张量。尽管途径看似简单的途径,但一些结果令人惊讶。特别地,即使当组成欧姆耐药性饱和时,宏观欧姆耐药性的情况下也存在宏观欧姆耐药性而没有任何饱和。我们还提出了对各向同性微观结构的宏观电阻率张量的近似处理。

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  • 来源
    《Physical review》 |2019年第21期|214204.1-214204.11|共11页
  • 作者单位

    Tel Aviv Univ Fac Exact Sci Raymond & Beverly Sackler Sch Phys & Astron IL-69978 Tel Aviv Israel;

    Bar Ilan Univ Dept Phys IL-52900 Ramat Gan Israel;

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  • 正文语种 eng
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