Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Topologically trivial zero bias conductance peak in semiconductor
  Majorana wires from boundary effects   We show that a topologically trivial zero bias conductance peak (of height
4e^2/h) is produced in semiconductor-superconductor hybrid nanowires due to a
suppressed pair potential and/or an excess Zeeman field at the ends of the
heterostructure, both of which can occur in experiments. The zero bias peak
(ZBP) (a) appears above a threshold parallel bulk Zeeman field, (b) is stable
for a range of bulk field before splitting, (c) disappears with rotation of the
bulk Zeeman field, and, (d) is robust to weak disorder fluctuations. The ZBPs
from the nanowire ends are also expected to produce splitting oscillations with
the applied field similar to those from Majorana fermions. We find that the
only unambiguous way to distinguish these trivial ZBPs (of height 4e^2/h) from
those arising from Majorana fermions (of height 2e^2/h) is by comparing the
(zero temperature) peak height and/or through an interference experiment.

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The categories of this paper are: q-bio
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The categories of this paper are: quant-ph
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The categories of this paper are: physics
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The categories of this paper are: mtrl-th
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The categories of this paper are: solv-int
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The categories of this paper are: hep-th
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The categories of this paper are: hep-lat
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The categories of this paper are: patt-sol
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The categories of this paper are: q-alg
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The categories of this paper are: stat
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The categories of this paper are: cs
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The categories of this paper are: nucl-ex
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The categories of this paper are: dg-ga
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The categories of this paper are: econ
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The categories of this paper are: funct-an
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The categories of this paper are: gr-qc