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Prospect of Node-Line Semimetal Cu3PdN to Be a Topological Superconductor

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Abstract

We investigate systematically the vibrational and electron–phonon interaction properties of node-line semimetal Cu3PdN under strain and electron doping by using first-principles calculations. It is found that vibrational modes interact with electrons at the Fermi level isotropically with a three-dimensional character. The phonon frequency and Eliashberg spectral function can be tuned by strain remarkably, and the maximum transition temperature (T c) predicted is 0.03 K under strain ε = 0.10. The coexistence of superconductivity and topological physics in Cu3PdN makes it a promising candidate for future quantum computation platform.

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Acknowledgements

This work was supported by the Guangxi Natural Science Foundation (No. 2016GXNSFBA380227).

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Authors and Affiliations

  1. Bowen College of Management, Guilin University of Technology, Guilin, 541006, China

    Xing Wang

  2. Faculty of Science, Guilin University of Aerospace Technology, Guilin, 541004, China

    Jianyong Chen & Dong Xie

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  1. Xing Wang
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  2. Jianyong Chen
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  3. Dong Xie
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Correspondence to Jianyong Chen.

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Wang, X., Chen, J. & Xie, D. Prospect of Node-Line Semimetal Cu3PdN to Be a Topological Superconductor. J Supercond Nov Magn 30, 2727–2734 (2017). https://doi.org/10.1007/s10948-017-4133-2

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  • DOI: https://doi.org/10.1007/s10948-017-4133-2

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