Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Spin-current absorption by inhomogeneous spin-orbit coupling   We investigate the spin-current absorption induced by an inhomogeneous
spin-orbit coupling due to impurities in metals. We consider the system with
spin currents driven by the electric field or the spin accumulation. The
resulting diffusive spin currents, including the gradient of the spin-orbit
coupling strength, indicate the spin-current absorption at the interface, which
is exemplified with experimentally relevant setups.

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The categories of this paper are: hep-ex
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The categories of this paper are: quant-ph
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The categories of this paper are: dg-ga
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The categories of this paper are: hep-th
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The categories of this paper are: atom-ph
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The categories of this paper are: math-ph
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The categories of this paper are: hep-lat
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The categories of this paper are: q-fin
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The categories of this paper are: comp-gas
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The categories of this paper are: bayes-an
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The categories of this paper are: stat
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The categories of this paper are: gr-qc
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The categories of this paper are: patt-sol
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The categories of this paper are: funct-an
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The categories of this paper are: q-bio
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The categories of this paper are: econ