Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Signatures of Majorana Fermions in Topological Insulator Josephson
  Junction Devices   We study theoretically the electrical current and low-frequency noise for a
linear Josephson junction structure on a topological insulator, in which the
superconductor forms a closed ring and currents are injected from normal
regions inside and outside the ring. We find that this geometry offers a
signature for the presence of gapless 1D Majorana fermion modes that are
predicted in the channel when the phase difference \phi, controlled by the
magnetic flux through the ring, is \pi. We show that for low temperature the
linear conductance jumps when \phi\ passes through \pi, accompanied by
non-local correlations between the currents from the inside and outside of the
ring. We compute the dependence of these features on temperature, voltage and
linear dimensions, and discuss the implications for experiments.

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The categories of this paper are: bayes-an
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The categories of this paper are: solv-int
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The categories of this paper are: ao-sci
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The categories of this paper are: gr-qc
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The categories of this paper are: hep-ex
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The categories of this paper are: alg-geom
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The categories of this paper are: supr-con
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The categories of this paper are: dg-ga
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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: math-ph
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The categories of this paper are: econ
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The categories of this paper are: stat
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The categories of this paper are: chem-ph
2
The categories of this paper are: math
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The categories of this paper are: eess