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Title: Electron transport in nodal-line semimetals

Abstract

Here, we study the electrical conductivity in a nodal-line semimetal with charged impurities. The screening of the Coulomb potential in this system is qualitatively different from what is found in conventional metals or semiconductors, with the screened potential φ decaying as φ 1 / r 2 over a wide interval of distances r . This unusual screening gives rise to a rich variety of conduction regimes as a function of temperature, doping level, and impurity concentration. Specifically, nodal-line semimetals exhibit a diverging mobility 1 / | μ | in the limit of vanishing chemical potential μ , a linearly increasing dependence of the conductivity on temperature, σ T , and a large weak-localization correction with a strongly anisotropic dependence on magnetic field.

Authors:
 [1];  [2]
  1. Univ. of Maryland, College Park, MD (United States); National Inst. of Standards and Technology (NIST), Gaithersburg, MD (United States); Monash Univ., Melbourne, VIC (Australia); Univ. of California, Santa Cruz, CA (United States)
  2. Massachusetts Inst. of Technology (MIT), Cambridge, MA (United States)
Publication Date:
Research Org.:
Energy Frontier Research Centers (EFRC) (United States). Center for Excitonics (CE)
Sponsoring Org.:
USDOE Office of Science (SC), Basic Energy Sciences (BES) (SC-22)
OSTI Identifier:
1388198
Alternate Identifier(s):
OSTI ID: 1399069
Grant/Contract Number:  
SC0001088
Resource Type:
Accepted Manuscript
Journal Name:
Physical Review B
Additional Journal Information:
Journal Volume: 96; Journal Issue: 16; Related Information: CE partners with Massachusetts Institute of Technology (lead); Brookhaven National Laboratory; Harvard University; Journal ID: ISSN 2469-9950
Publisher:
American Physical Society (APS)
Country of Publication:
United States
Language:
English
Subject:
36 MATERIALS SCIENCE

Citation Formats

Syzranov, S. V., and Skinner, B. Electron transport in nodal-line semimetals. United States: N. p., 2017. Web. doi:10.1103/PhysRevB.96.161105.
Syzranov, S. V., & Skinner, B. Electron transport in nodal-line semimetals. United States. doi:10.1103/PhysRevB.96.161105.
Syzranov, S. V., and Skinner, B. Wed . "Electron transport in nodal-line semimetals". United States. doi:10.1103/PhysRevB.96.161105. https://www.osti.gov/servlets/purl/1388198.
@article{osti_1388198,
title = {Electron transport in nodal-line semimetals},
author = {Syzranov, S. V. and Skinner, B.},
abstractNote = {Here, we study the electrical conductivity in a nodal-line semimetal with charged impurities. The screening of the Coulomb potential in this system is qualitatively different from what is found in conventional metals or semiconductors, with the screened potential φ decaying as φ∝1/r2 over a wide interval of distances r. This unusual screening gives rise to a rich variety of conduction regimes as a function of temperature, doping level, and impurity concentration. Specifically, nodal-line semimetals exhibit a diverging mobility ∝1/|μ| in the limit of vanishing chemical potential μ, a linearly increasing dependence of the conductivity on temperature, σ∝T, and a large weak-localization correction with a strongly anisotropic dependence on magnetic field.},
doi = {10.1103/PhysRevB.96.161105},
journal = {Physical Review B},
number = 16,
volume = 96,
place = {United States},
year = {2017},
month = {10}
}

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Cited by: 3 works
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