| CONDENSED MATTER: ELECTRONIC STRUCTURE, ELECTRICAL, MAGNETIC, AND OPTICAL PROPERTIES |
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Weak localization in disordered spin-1 chiral fermions |
| Shaopeng Miao(苗少鹏)1,2, Daifeng Tu(涂岱峰)1,2,†, and Jianhui Zhou(周建辉)1 |
1 Anhui Key Laboratory of Condensed Matter Physics at Extreme Conditions, High Magnetic Field Laboratory, HFIPS, Chinese Academy of Sciences, Hefei 230031, China;
2 University of Science and Technology of China, Hefei 230026, China |
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Abstract We theoretically investigate the quantum interference theory of magnetotransport of the three-component or spin-1 chiral fermions, which possess two linear Dirac bands and a flat band. For isotropic scalar impurities, the correction of conductivity from the coherent backscatter and non-coherent backscatter contributions cancel out in the intravalley scattering, leading to a weak localization correction to the Drude conductivity from the intervalley scattering. For the anisotropic impurities, the above cancelation is removed, we find the approximative quantum interference conductivity in the weak anisotropy case. The contributions from the chiral anomaly and classical Lorentz force are also discussed. Our work reveals some intriguing and detectable transport signatures of the novel spin-1 chiral fermions.
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Received: 01 April 2022
Revised: 09 May 2022
Accepted manuscript online: 23 May 2022
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PACS:
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75.47.-m
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(Magnetotransport phenomena; materials for magnetotransport)
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03.65.Vf
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(Phases: geometric; dynamic or topological)
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Corresponding Authors:
Daifeng Tu
E-mail: tudai@mail.ustc.edu.cn
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Cite this article:
Shaopeng Miao(苗少鹏), Daifeng Tu(涂岱峰), and Jianhui Zhou(周建辉) Weak localization in disordered spin-1 chiral fermions 2023 Chin. Phys. B 32 017502
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