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Title: Semiclassical Boltzmann transport theory for multi-Weyl semimetals

Abstract

Multi-Weyl semimetals (m-WSMs) are a new type of Weyl semimetal that have linear dispersion along one symmetry direction but anisotropic nonlinear dispersion along the two transverse directions with a topological charge larger than one. Using the Boltzmann transport theory and fully incorporating the anisotropy of the system, we study the dc conductivity as a function of carrier density and temperature. We find that the characteristic density and temperature dependence of the transport coefficients at the level of Boltzmann theory are controlled by the topological charge of the multi-Weyl point and distinguish m-WSMs from their linear Weyl counterparts.

Authors:
 [1];  [1];  [2];  [3]
  1. Seoul National Univ. (Korea, Republic of). Dept. of Physics and Astronomy
  2. Univ. of Pennsylvania, Philadelphia, PA (United States). Dept. of Physics and Astronomy
  3. Seoul National Univ. (Korea, Republic of). Dept. of Physics and Astronomy; Univ. of Pennsylvania, Philadelphia, PA (United States). Dept. of Physics and Astronomy
Publication Date:
Research Org.:
Univ. of Pennsylvania, Philadelphia, PA (United States)
Sponsoring Org.:
USDOE Office of Science (SC), Basic Energy Sciences (BES)
OSTI Identifier:
1532938
Alternate Identifier(s):
OSTI ID: 1352972
Grant/Contract Number:  
FG02-84ER45118; FG02-ER45118
Resource Type:
Accepted Manuscript
Journal Name:
Physical Review. B
Additional Journal Information:
Journal Volume: 95; Journal Issue: 16; Journal ID: ISSN 2469-9950
Publisher:
American Physical Society (APS)
Country of Publication:
United States
Language:
English
Subject:
75 CONDENSED MATTER PHYSICS, SUPERCONDUCTIVITY AND SUPERFLUIDITY; Boltzmann theory; Weyl semimetal; Weyl fermions; electrical conductivity

Citation Formats

Park, Sanghyun, Woo, Seungchan, Mele, E. J., and Min, Hongki. Semiclassical Boltzmann transport theory for multi-Weyl semimetals. United States: N. p., 2017. Web. doi:10.1103/physrevb.95.161113.
Park, Sanghyun, Woo, Seungchan, Mele, E. J., & Min, Hongki. Semiclassical Boltzmann transport theory for multi-Weyl semimetals. United States. https://doi.org/10.1103/physrevb.95.161113
Park, Sanghyun, Woo, Seungchan, Mele, E. J., and Min, Hongki. Mon . "Semiclassical Boltzmann transport theory for multi-Weyl semimetals". United States. https://doi.org/10.1103/physrevb.95.161113. https://www.osti.gov/servlets/purl/1532938.
@article{osti_1532938,
title = {Semiclassical Boltzmann transport theory for multi-Weyl semimetals},
author = {Park, Sanghyun and Woo, Seungchan and Mele, E. J. and Min, Hongki},
abstractNote = {Multi-Weyl semimetals (m-WSMs) are a new type of Weyl semimetal that have linear dispersion along one symmetry direction but anisotropic nonlinear dispersion along the two transverse directions with a topological charge larger than one. Using the Boltzmann transport theory and fully incorporating the anisotropy of the system, we study the dc conductivity as a function of carrier density and temperature. We find that the characteristic density and temperature dependence of the transport coefficients at the level of Boltzmann theory are controlled by the topological charge of the multi-Weyl point and distinguish m-WSMs from their linear Weyl counterparts.},
doi = {10.1103/physrevb.95.161113},
journal = {Physical Review. B},
number = 16,
volume = 95,
place = {United States},
year = {Mon Apr 24 00:00:00 EDT 2017},
month = {Mon Apr 24 00:00:00 EDT 2017}
}

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RKKY interaction of magnetic impurities in multi-Weyl semimetals
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Thermopower in an anisotropic two-dimensional Weyl semimetal
journal, January 2020


Topological properties of the chiral magnetic effect in multi-Weyl semimetals
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Topological responses from chiral anomaly in multi-Weyl semimetals
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Doping and tilting on optics in noncentrosymmetric multi-Weyl semimetals
journal, January 2018


Breakdown of Fermi liquid theory in topological multi-Weyl semimetals
journal, November 2018


Quantum impurity in topological multi-Weyl semimetals
journal, March 2019


Topological quantum critical point in a triple-Weyl semimetal: Non-Fermi-liquid behavior and instabilities
journal, May 2019


Weyl systems: anomalous transport normally explained
journal, August 2019


Breakdown of Fermi liquid theory in topological multi-Weyl semimetals
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Thermopower in an anisotropic two-dimensional Weyl semimetal
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