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- W1649654328 abstract "The metallic nature of the low-temperature conductivity ensuremath{sigma} of the layered manganite ${mathrm{La}}_{1.2}{mathrm{Sr}}_{1.8}{mathrm{Mn}}_{2}{mathrm{O}}_{7}$ is not obviously consistent with the very low values of ensuremath{sigma} nor its slightly semiconducting behavior. We report low-temperature data in an applied field H which exhibit a positive $sqrt{H}$ correction to ensuremath{sigma}, for fields perpendicular to the Mn-O bilayers and also parallel to the layers, as well as for both current directions. This behavior is consistent with weak-localization effects in three-dimensional metals and with the theory of quantum interference, recently extended to highly anisotropic layered metals. In addition, a simple model is presented that adequately describes the positive magnetoconductance due to the suppression of spin waves." @default.
- W1649654328 created "2016-06-24" @default.
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- W1649654328 date "2000-12-19" @default.
- W1649654328 modified "2023-10-14" @default.
- W1649654328 title "Metallic conductance below<mml:math xmlns:mml=http://www.w3.org/1998/Math/MathML display=inline><mml:mrow><mml:msub><mml:mrow><mml:mi>T</mml:mi></mml:mrow><mml:mrow><mml:mi>c</mml:mi></mml:mrow></mml:msub></mml:mrow></mml:math>inferred by quantum interference effects in layered<mml:math xmlns:mml=http://www.w3.org/1998/Math/MathML display=inline><mml:mrow><mml:msub><mml:mrow><mml:mi mathvariant=normal>La</mml:mi></mml:mrow><mml:mrow><mml:mn>1.2</mml:mn></mml:mrow></mml:msub></mml:mrow…" @default.
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- W1649654328 doi "https://doi.org/10.1103/physrevb.63.024417" @default.
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