Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Disorder effects on Majorana zero modes: Kitaev chain versus
  semiconductor nanowire   Majorana zero modes in a superconductor-semiconductor nanowire have been
extensively studied during the past decade. Disorder remains a serious problem,
preventing the definitive observation of topological Majorana bound states.
Thus, it is worthwhile to revisit the simple model, the Kitaev chain, and study
the effects of weak and strong disorder on the Kitaev chain. By comparing the
role of disorder in a Kitaev chain with that in a nanowire, we find that
disorder affects both systems but in a nonuniversal manner. In general,
disorder has a much stronger effect on the nanowire than the Kitaev chain,
particularly for weak to intermediate disorder. For strong disorder, both the
Kitaev chain and nanowire manifest random featureless behavior due to universal
Anderson localization. Only the vanishing and strong disorder regimes are thus
universal, manifesting respectively topological superconductivity and Anderson
localization, but the experimentally relevant intermediate disorder regime is
nonuniversal with the details dependent on the disorder realization in the
system.

23
The categories of this paper are: solv-int
29
The categories of this paper are: funct-an
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The categories of this paper are: acc-phys
26
The categories of this paper are: bayes-an
0
The categories of this paper are: hep-ph
5
The categories of this paper are: gr-qc
13
The categories of this paper are: quant-ph
37
The categories of this paper are: supr-con
7
The categories of this paper are: hep-th
25
The categories of this paper are: patt-sol
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The categories of this paper are: adap-org
9
The categories of this paper are: nlin
1
The categories of this paper are: cs
31
The categories of this paper are: ao-sci
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The categories of this paper are: dg-ga
27
The categories of this paper are: comp-gas