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Effect of chirality imbalance on Hall transport of PrRhC2
KTH, Skolan för teknikvetenskap (SCI), Tillämpad fysik, Material- och nanofysik. KTH, Skolan för bioteknologi (BIO), Centra, Albanova VinnExcellence Center for Protein Technology, ProNova. Leibniz Inst Solid State & Mat Res IFW Dresden, Helmholtzstr 20, D-01069 Dresden, Germany..ORCID-id: 0000-0002-3980-9208
Uppsala Univ, Dept Phys & Astron, Box 516, S-75120 Uppsala, Sweden.;Rhein Westfal TH Aachen, Inst Theorie Stat Phys, D-52056 Aachen, Germany..
2023 (Engelska)Ingår i: Physical Review B, ISSN 2469-9950, E-ISSN 2469-9969, Vol. 107, nr 8, artikel-id L081110Artikel i tidskrift (Refereegranskat) Published
Abstract [en]

Much has been learned about the topological transport in real materials. We investigate the interplay between magnetism and topology in the magnetotransport of PrRhC2. The fourfold degeneracy reduces to twofold followed by nondegenerate Weyl nodes when the orientation of the magnetic quantization axis is changed from easy axis to body diagonal through face diagonal. This engenders chirality imbalance between positive and negative chirality Weyl nodes around the Fermi energy. We observe a significant enhancement in the chiral anomaly mediated response such as planar Hall conductivity and longitudinal magnetoconductivity, due to the emergence of chirality imbalance upon orienting the magnetic quantization axis to body diagonal. The angular variations of the above quantities for different magnetic quantization axes clearly refer to the typical signature of planar Hall effect in Weyl semimetals. We further investigate the profiles of anomalous Hall conductivities as a function of Fermi energy to explore the effects of symmetries as well as chirality imbalance on Berry curvature.

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American Physical Society (APS) , 2023. Vol. 107, nr 8, artikel-id L081110
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Den kondenserade materiens fysik
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URN: urn:nbn:se:kth:diva-325250DOI: 10.1103/PhysRevB.107.L081110ISI: 000944014500008Scopus ID: 2-s2.0-85149658150OAI: oai:DiVA.org:kth-325250DiVA, id: diva2:1748713
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QC 20230404

Tillgänglig från: 2023-04-04 Skapad: 2023-04-04 Senast uppdaterad: 2023-04-04Bibliografiskt granskad

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Sadhukhan, Banasree

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Material- och nanofysikAlbanova VinnExcellence Center for Protein Technology, ProNova
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Physical Review B
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