Landau quantization in coupled Weyl points: a case study of semimetal NbP

Jiang, Yuxuan; Dun, Zhiling; Moon, Seongphill; Zhou, Haidong; Koshino, Mikito; Smirnov, Dmitry; Jiang, Zhigang

doi:10.1021/acs.nanolett.8b03418

Title: Landau quantization in coupled Weyl points: a case study of semimetal NbP

Journal Article · 06 November 2018 · Nano Letters

DOI: https://doi.org/10.1021/acs.nanolett.8b03418 · OSTI ID:1481252

Jiang, Yuxuan ^[1]; Dun, Zhiling ^[2]; Moon, Seongphill ^[3]; Zhou, Haidong ^[4]; Koshino, Mikito ^[5]; Smirnov, Dmitry ^[6];

^[7]

Georgia Inst. of Technology, Atlanta, GA (United States); National High Magnetic Field Lab., Tallahassee, FL (United States); School of Physics, Georgia Institute of Technology
Georgia Inst. of Technology, Atlanta, GA (United States); Univ. of Tennessee, Knoxville, TN (United States)
National High Magnetic Field Lab., Tallahassee, FL (United States); Florida State Univ., Tallahassee, FL (United States)
Univ. of Tennessee, Knoxville, TN (United States)
Osaka Univ., Toyonaka (Japan)
National High Magnetic Field Lab., Tallahassee, FL (United States)
Georgia Inst. of Technology, Atlanta, GA (United States)

Weyl semimetal (WSM) is a newly discovered quantum phase of matter that exhibits topologically protected states characterized by two separated Weyl points with linear dispersion in all directions. Here, via combining theoretical analysis and magneto-infrared spectroscopy of an archetypal Weyl semimetal, niobium phosphide, we demonstrate that the coupling between Weyl points can significantly modify the electronic structure of a WSM and provide a new twist to the protected states. Here, these findings suggest that the coupled Weyl points should be considered as the basis for analysis of realistic WSMs.

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Research Organization:: Georgia Inst. of Technology, Atlanta, GA (United States). School of Physics

Sponsoring Organization:: USDOE Office of Science (SC), Basic Energy Sciences (BES) (SC-22). Materials Sciences & Engineering Division

Grant/Contract Number:: FG02-07ER46451

OSTI ID:: 1481252

Journal Information:: Nano Letters, Journal Name: Nano Letters Journal Issue: 12 Vol. 18; ISSN 1530-6984

Publisher:: American Chemical SocietyCopyright Statement

Country of Publication:: United States

Language:: English

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The discovery of dynamic chiral anomaly in a Weyl semimetal NbAs Yuan, Xiang; Zhang, Cheng; Zhang, Yi Nature Communications, Vol. 11, Issue 1 https://doi.org/10.1038/s41467-020-14749-4	journal	March 2020
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Experimental progress on layered topological semimetals Ma, Junchao; Deng, Ke; Zheng, Lu 2D Materials, Vol. 6, Issue 3 https://doi.org/10.1088/2053-1583/ab0902	journal	April 2019
Dynamical conductivity of the Fermi arc and the Volkov-Pankratov states on the surface of Weyl semimetals Mukherjee, Dibya Kanti; Carpentier, David; Goerbig, Mark Oliver Physical Review B, Vol. 100, Issue 19 https://doi.org/10.1103/physrevb.100.195412	journal	November 2019
Experimental Progress on Layered Topological Semimetals Ma, Junchao; Deng, Ke; Zheng, Lu arXiv https://doi.org/10.48550/arxiv.1902.06874	text	January 2019

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Title: Landau quantization in coupled Weyl points: a case study of semimetal NbP

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