Landau Quantization in Coupled Weyl Points: A Case Study of Semimetal NbP

Landau Quantization in Coupled Weyl Points: A Case Study of Semimetal NbP

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 semime...

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Veröffentlicht in:Nano letters 2018-12, Vol.18 (12), p.7726-7731
Hauptverfasser: Jiang, Yuxuan, Dun, Zhiling, Moon, Seongphill, Zhou, Haidong, Koshino, Mikito, Smirnov, Dmitry, Jiang, Zhigang
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Sprache:eng
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CONDENSED MATTER PHYSICS, SUPERCONDUCTIVITY AND SUPERFLUIDITY
Coupled Weyl points
Landau level spectroscopy
Magneto-infrared spectroscopy
Weyl semimetal
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container_end_page 7731
container_issue 12
container_start_page 7726
container_title Nano letters
container_volume 18
creator Jiang, Yuxuan
Dun, Zhiling
Moon, Seongphill
Zhou, Haidong
Koshino, Mikito
Smirnov, Dmitry
Jiang, Zhigang
description 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. These findings suggest that the coupled Weyl points should be considered as the basis for analysis of realistic WSMs.
doi_str_mv 10.1021/acs.nanolett.8b03418
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source American Chemical Society (ACS) Journals
subjects CONDENSED MATTER PHYSICS, SUPERCONDUCTIVITY AND SUPERFLUIDITY
Coupled Weyl points
Landau level spectroscopy
Magneto-infrared spectroscopy
Weyl semimetal
title Landau Quantization in Coupled Weyl Points: A Case Study of Semimetal NbP
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