Counting Majorana zero modes in superconductors
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Santos-2011-Counting Majorana ze.pdf
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398.3 KB
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Author(s)
Santos, Luiz
Nishida, Yusuke
Chamon, Claudio
Mudry, Christopher
Date Issued
March 2011
Journal
Physical Review B
Publisher
American Physical Society
Citation
Santos, Luiz et al. “Counting Majorana Zero Modes in Superconductors.” Physical Review B 83.10 (2011): 104522. ©2011 American Physical Society
Version
Final published version
Abstract
A counting formula for computing the number of (Majorana) zero modes bound to topological point defects is evaluated in a gradient expansion for systems with charge-conjugation symmetry. This semi-classical counting of zero modes is applied to some examples that include graphene and a chiral p-wave superconductor in two-dimensional space. In all cases, we explicitly relate the counting of zero modes to Chern numbers.
MIT Department
Massachusetts Institute of Technology. Center for Theoretical Physics
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Article is made available in accordance with the publisher's policy and may be subject to US copyright law. Please refer to the publisher's site for terms of use.
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DOI of Published Version
https://doi.org/10.1103/PhysRevB.83.104522
