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

Abstract

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.

Authors:

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)
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)

Publication Date:: Wed Nov 07 00:00:00 EST 2018

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

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

OSTI Identifier:: 1481252

Grant/Contract Number:: FG02-07ER46451

Resource Type:: Accepted Manuscript

Journal Name:: Nano Letters

Additional Journal Information:: Journal Volume: 18; Journal Issue: 12; Journal ID: ISSN 1530-6984

Publisher:: American Chemical Society

Country of Publication:: United States

Language:: English

Subject:: 75 CONDENSED MATTER PHYSICS, SUPERCONDUCTIVITY AND SUPERFLUIDITY; Weyl semimetal; Coupled Weyl points; Magneto-infrared spectroscopy; Landau level spectroscopy

Citation Formats


                    Jiang, Yuxuan, Dun, Zhiling, Moon, Seongphill, Zhou, Haidong, Koshino, Mikito, Smirnov, Dmitry, and Jiang, Zhigang. Landau quantization in coupled Weyl points: a case study of semimetal NbP.  United States: N. p., 2018. 
Web.  doi:10.1021/acs.nanolett.8b03418.

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                    Jiang, Yuxuan, Dun, Zhiling, Moon, Seongphill, Zhou, Haidong, Koshino, Mikito, Smirnov, Dmitry, & Jiang, Zhigang. Landau quantization in coupled Weyl points: a case study of semimetal NbP.  United States.  https://doi.org/10.1021/acs.nanolett.8b03418

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                    Jiang, Yuxuan, Dun, Zhiling, Moon, Seongphill, Zhou, Haidong, Koshino, Mikito, Smirnov, Dmitry, and Jiang, Zhigang. Wed .  
"Landau quantization in coupled Weyl points: a case study of semimetal NbP".  United States.  https://doi.org/10.1021/acs.nanolett.8b03418.  https://www.osti.gov/servlets/purl/1481252.

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@article{osti_1481252,

  title        = {Landau quantization in coupled Weyl points: a case study of semimetal NbP},

  author       = {Jiang, Yuxuan and Dun, Zhiling and Moon, Seongphill and Zhou, Haidong and Koshino, Mikito and Smirnov, Dmitry and Jiang, Zhigang},

  abstractNote = {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.},

  doi          = {10.1021/acs.nanolett.8b03418},

  journal      = {Nano Letters},

  number       = 12,

  volume       = 18,

  place        = {United States},

  year         = {Wed Nov 07 00:00:00 EST 2018},

  month        = {Wed Nov 07 00:00:00 EST 2018}

}

Copy to clipboard

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https://doi.org/10.1021/acs.nanolett.8b03418

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Dynamical conductivity of the Fermi arc and the Volkov-Pankratov states on the surface of Weyl semimetals
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Title: Landau quantization in coupled Weyl points: a case study of semimetal NbP

Abstract

Citation Formats

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Dirac Fermions in Solids: From High-T _c Cuprates and Graphene to Topological Insulators and Weyl Semimetals
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A no-go theorem for regularizing chiral fermions
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Magnetic-tunnelling-induced Weyl node annihilation in TaP
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Quantum limit transport and destruction of the Weyl nodes in TaAs
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Dirac edges of fractal magnetic minibands in graphene with hexagonal moiré superlattices
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