Dynamic conductivity modified by impurity resonant states in doping three-dimensional Dirac semimetals
Sign Up to like & getrecommendations! Published in 2017 at "Frontiers of Physics"
DOI: 10.1007/s11467-017-0742-2
Abstract: The impurity effect is studied in three-dimensional Dirac semimetals in the framework of a T-matrix method to consider the multiple scattering events of Dirac electrons off impurities. It has been found that a strong impurity… read more here.
Keywords: three dimensional; conductivity; dirac semimetals; impurity ... See more keywords
An Ab Initio study of electronic, mechanical, thermoelectric and vibrational properties of Dirac Semimetals Ca3PbO and Ca3SnO
Sign Up to like & getrecommendations! Published in 2020 at "Materials today communications"
DOI: 10.1016/j.mtcomm.2020.101741
Abstract: Abstract An expanding enthusiasm for Dirac Semimetals is because of their intriguing properties identical to that of graphene. An insight evaluation of structural, electronic and mechanical properties of Ca3PbO and Ca3SnO has been made within… read more here.
Keywords: ca3pbo ca3sno; electronic mechanical; study; dirac semimetals ... See more keywords
Broadband tunable terahertz plasmon-induced transparency in Dirac semimetals
Sign Up to like & getrecommendations! Published in 2018 at "Optics and Laser Technology"
DOI: 10.1016/j.optlastec.2018.02.034
Abstract: Abstract In this paper, we present a numerical and theoretical study on the realization of the tunable plasmon-induced transparency (PIT) effect at terahertz (THz) frequencies in Dirac semimetal (known as “three-dimensional graphene”) metamaterials. The simulations… read more here.
Keywords: plasmon induced; terahertz; induced transparency; dirac semimetals ... See more keywords
Dirac Semimetals in Homogeneous Holey Carbon Nitride Monolayers
Sign Up to like & getrecommendations! Published in 2021 at "Journal of Physical Chemistry C"
DOI: 10.1021/acs.jpcc.0c09900
Abstract: In this work, we propose four novel holey carbon nitride monolayer C7N3, C10N3, C13N3, and C19N3 stoichiometries intriguingly behaving as ideal 2D Dirac semimetals whose Dirac cones are rightly loc... read more here.
Keywords: semimetals homogeneous; carbon nitride; dirac semimetals; holey carbon ... See more keywords
Semi-quantized Spin Pumping and Spin-Orbit Torques in Topological Dirac Semimetals
Sign Up to like & getrecommendations! Published in 2019 at "Scientific Reports"
DOI: 10.1038/s41598-019-55802-7
Abstract: We study the time-development processes of spin and charge transport phenomena in a topological Dirac semimetal attached to a ferromagnetic insulator with a precessing magnetization. Compared to conventional normal metals, topological Dirac semimetals manifest a… read more here.
Keywords: semi quantized; spin; dirac semimetals; dirac semimetal ... See more keywords
Prediction of negative refraction in Dirac semimetal metamaterial
Sign Up to like & getrecommendations! Published in 2022 at "Nanotechnology"
DOI: 10.1088/1361-6528/ac7ded
Abstract: Negative refraction materials are indispensable building blocks in the optoelectric devices for their unique functionalities of controlling the light propagations, such as, superlens and transformation optics. However, material realizations of negative refraction are still limited… read more here.
Keywords: refraction; three dimensional; negative refraction; dirac ... See more keywords
Quantum oscillations turn log(B )-periodic in Dirac semimetals: ‘Who ordered that?’
Sign Up to like & getrecommendations! Published in 2019 at "National Science Review"
DOI: 10.1093/nsr/nwz016
Abstract: Quantum oscillations refer to the oscillatory behavior of transport and thermodynamic quantities as a function of the applied magnetic field B in metals and semimetals. The primary examples are the Shubnikov–de Haas (SdH) oscillations in… read more here.
Keywords: quantum oscillations; log periodic; periodic dirac; dirac semimetals ... See more keywords
Positive longitudinal spin magnetoconductivity in Z2 topological Dirac semimetals
Sign Up to like & getrecommendations! Published in 2019 at "Physical Review B"
DOI: 10.1103/physrevb.100.235105
Abstract: Recently, a class of Dirac semimetals, such as \textrm{Na}$_{\mathrm{3}}% $\textrm{Bi} and \textrm{Cd}$_{\mathrm{2}}$\textrm{As}$_{\mathrm{3}}$, are discovered to carry $\mathbb{Z}_{2}$ monopole charges. We present an experimental mechanism to realize the $\mathbb{Z}_{2}$ anomaly in regard to the $\mathbb{Z}_{2}$ topological… read more here.
Keywords: spin; dirac; dirac semimetals; topological dirac ... See more keywords
Collective excitations and universal broadening of cyclotron absorption in Dirac semimetals in a quantizing magnetic field
Sign Up to like & getrecommendations! Published in 2020 at "Physical Review B"
DOI: 10.1103/physrevb.101.245206
Abstract: The spectrum of electromagnetic collective excitations in Dirac semimetals placed in a quantizing magnetic field is considered. We have found the Landau damping regions using the energy and momentum conservation law for allowed transitions between… read more here.
Keywords: field; quantizing magnetic; magnetic field; dirac semimetals ... See more keywords
Chiral anomaly in Dirac semimetals due to dislocations
Sign Up to like & getrecommendations! Published in 2017 at "Physical Review B"
DOI: 10.1103/physrevb.95.115410
Abstract: The dislocation in Dirac semimetal carries an emergent magnetic flux parallel to the dislocation axis. We show that due to the emergent magnetic field, the dislocation accommodates a single fermion massless mode of the corresponding… read more here.
Keywords: anomaly dirac; dislocation; semimetals due; dirac semimetals ... See more keywords
Anomalous Hall conductivity of the holographic Z2 Dirac semimetals
Sign Up to like & getrecommendations! Published in 2021 at "Physical Review D"
DOI: 10.1103/physrevd.104.086022
Abstract: The anomalous Hall conductivity in holographic model of $\mathbb{Z}_2$ Dirac semimetals has been elaborated. The underlying model contains the kinetic mixing term of two $U(1)$-gauge fields, the ordinary Maxwell and the auxiliary one, as well… read more here.
Keywords: anomalous hall; hall conductivity; dirac semimetals; conductivity holographic ... See more keywords