Orbital-dependent charge dynamics in MnP revealed by optical study

Abstract Unconventional superconductivity often emerges at the border of long-range magnetic orders. Understanding the low-energy charge dynamics may provide crucial information on the formation of superconductivity. Here we report the unpolarized/polarized optical conductivity study of high quality...

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Autores principales:	P. Zheng, Y. J. Xu, W. Wu, G. Xu, J. L. Lv, F. K. Lin, P. Wang, Yi-feng Yang, J. L. Luo
Formato:	article
Lenguaje:	EN
Publicado:	Nature Portfolio 2017
Materias:	Medicine R Science Q
Acceso en línea:	https://doaj.org/article/191393530823486ca85eb06e814d6b33
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spelling	oai:doaj.org-article:191393530823486ca85eb06e814d6b332021-12-02T15:04:58ZOrbital-dependent charge dynamics in MnP revealed by optical study10.1038/s41598-017-14648-72045-2322https://doaj.org/article/191393530823486ca85eb06e814d6b332017-10-01T00:00:00Zhttps://doi.org/10.1038/s41598-017-14648-7https://doaj.org/toc/2045-2322Abstract Unconventional superconductivity often emerges at the border of long-range magnetic orders. Understanding the low-energy charge dynamics may provide crucial information on the formation of superconductivity. Here we report the unpolarized/polarized optical conductivity study of high quality MnP single crystals at ambient pressure. Our data reveal two types of charge carriers with very different lifetimes. In combination with the first-principles calculations, we show that the short-lifetime carriers have flat Fermi sheets which become gapped in the helimagnetic phase, causing a dramatic change in the low-frequency optical spectra, while the long-lifetime carriers are anisotropic three-dimensional like which are little affected by the magnetic transitions and provide major contributions to the transport properties. This orbital-dependent charge dynamics originates from the special crystal structure of MnP and may have an influence on the unconventional superconductivity and its interplay with helimagnetism at high pressures.P. ZhengY. J. XuW. WuG. XuJ. L. LvF. K. LinP. WangYi-feng YangJ. L. LuoNature PortfolioarticleMedicineRScienceQENScientific Reports, Vol 7, Iss 1, Pp 1-9 (2017)
institution	DOAJ
collection	DOAJ
language	EN
topic	Medicine R Science Q
spellingShingle	Medicine R Science Q P. Zheng Y. J. Xu W. Wu G. Xu J. L. Lv F. K. Lin P. Wang Yi-feng Yang J. L. Luo Orbital-dependent charge dynamics in MnP revealed by optical study
description	Abstract Unconventional superconductivity often emerges at the border of long-range magnetic orders. Understanding the low-energy charge dynamics may provide crucial information on the formation of superconductivity. Here we report the unpolarized/polarized optical conductivity study of high quality MnP single crystals at ambient pressure. Our data reveal two types of charge carriers with very different lifetimes. In combination with the first-principles calculations, we show that the short-lifetime carriers have flat Fermi sheets which become gapped in the helimagnetic phase, causing a dramatic change in the low-frequency optical spectra, while the long-lifetime carriers are anisotropic three-dimensional like which are little affected by the magnetic transitions and provide major contributions to the transport properties. This orbital-dependent charge dynamics originates from the special crystal structure of MnP and may have an influence on the unconventional superconductivity and its interplay with helimagnetism at high pressures.
format	article
author	P. Zheng Y. J. Xu W. Wu G. Xu J. L. Lv F. K. Lin P. Wang Yi-feng Yang J. L. Luo
author_facet	P. Zheng Y. J. Xu W. Wu G. Xu J. L. Lv F. K. Lin P. Wang Yi-feng Yang J. L. Luo
author_sort	P. Zheng
title	Orbital-dependent charge dynamics in MnP revealed by optical study
title_short	Orbital-dependent charge dynamics in MnP revealed by optical study
title_full	Orbital-dependent charge dynamics in MnP revealed by optical study
title_fullStr	Orbital-dependent charge dynamics in MnP revealed by optical study
title_full_unstemmed	Orbital-dependent charge dynamics in MnP revealed by optical study
title_sort	orbital-dependent charge dynamics in mnp revealed by optical study
publisher	Nature Portfolio
publishDate	2017
url	https://doaj.org/article/191393530823486ca85eb06e814d6b33
work_keys_str_mv	AT pzheng orbitaldependentchargedynamicsinmnprevealedbyopticalstudy AT yjxu orbitaldependentchargedynamicsinmnprevealedbyopticalstudy AT wwu orbitaldependentchargedynamicsinmnprevealedbyopticalstudy AT gxu orbitaldependentchargedynamicsinmnprevealedbyopticalstudy AT jllv orbitaldependentchargedynamicsinmnprevealedbyopticalstudy AT fklin orbitaldependentchargedynamicsinmnprevealedbyopticalstudy AT pwang orbitaldependentchargedynamicsinmnprevealedbyopticalstudy AT yifengyang orbitaldependentchargedynamicsinmnprevealedbyopticalstudy AT jlluo orbitaldependentchargedynamicsinmnprevealedbyopticalstudy
_version_	1718388939317837824

Orbital-dependent charge dynamics in MnP revealed by optical study

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