Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Determining the spin Hall conductance via charge transport   We propose a scheme where transport measurements of charge current and its
noise can be used to determine the spin Hall conductance in a four-terminal
setup. Starting from the scattering formalism we express the spin current and
spin Hall conductance in terms of spin-dependent transmission coefficients.
These coefficients are then expressed in terms of charge current and noise. We
use the scheme to characterize the spin injection efficiency of a
ferromagnetic/semiconductor interface.

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The categories of this paper are: chem-ph
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The categories of this paper are: plasm-ph
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The categories of this paper are: stat
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The categories of this paper are: atom-ph
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The categories of this paper are: ao-sci
12
The categories of this paper are: nucl-th
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The categories of this paper are: acc-phys
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The categories of this paper are: quant-ph
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The categories of this paper are: funct-an
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The categories of this paper are: mtrl-th
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The categories of this paper are: nucl-ex
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The categories of this paper are: solv-int
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The categories of this paper are: chao-dyn
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The categories of this paper are: q-alg
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The categories of this paper are: dg-ga
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The categories of this paper are: hep-lat