Emerging Dirac materials for THz plasmonics
Sign Up to like & getrecommendations! Published in 2020 at "Applied Materials Today"
DOI: 10.1016/j.apmt.2020.100732
Abstract: Abstract Terahertz (THz) photonics is a key-enabling technology for a wealth of urgently demanding applications and societal challenges like ultrahigh speed communication systems, medical imaging and diagnostics, industrial and food quality control, and security screening.… read more here.
Keywords: thz plasmonics; materials thz; dirac materials; spectroscopy ... See more keywords
Light-sound interconversion in optomechanical Dirac materials
Sign Up to like & getrecommendations! Published in 2017 at "Scientific Reports"
DOI: 10.1038/s41598-017-09942-3
Abstract: Analyzing the scattering and conversion process between photons and phonons coupled via radiation pressure in a circular quantum dot on a honeycomb array of optomechanical cells, we demonstrate the emergence of optomechanical Dirac physics. Specifically… read more here.
Keywords: light sound; dirac materials; interconversion optomechanical; sound interconversion ... See more keywords
Spin-dependent transport through edge states in 2D semi-Dirac materials with Rashba spin-orbit coupling and band inversion
Sign Up to like & getrecommendations! Published in 2025 at "2D Materials"
DOI: 10.1088/2053-1583/ae0f28
Abstract: We investigate the bulk-boundary correspondence in two-dimensional type-I semi-Dirac materials with band inversion and Rashba spin–orbit coupling (SOC). Employing a dimensional reduction framework, we identify the Zak phase along the quadratically dispersing direction as a… read more here.
Keywords: edge; dirac materials; edge states; spin orbit ... See more keywords
Nonlinear electrodynamics for the vacuum of Dirac materials: Photon magnetic properties and radiation pressures
Sign Up to like & getrecommendations! Published in 2024 at "Physical Review A"
DOI: 10.1103/physreva.110.012201
Abstract: We investigate the magnetic properties of photons propagating through Dirac materials in a magnetic field, considering both vacuum and medium contributions. Photon propagation properties are obtained through a second-order expansion of nonlinear Euler-Heisenberg electrodynamics at… read more here.
Keywords: radiation; dirac materials; magnetic field; magnetic properties ... See more keywords
Higher-order topological superconductors in P -, T -odd quadrupolar Dirac materials
Sign Up to like & getrecommendations! Published in 2020 at "Physical Review B"
DOI: 10.1103/physrevb.101.220506
Abstract: The presence or absence of certain symmetries in the normal state (NS) also determines the symmetry of the Cooper pairs. Here, we show that parity ($\mathcal{P}$-) and time-reversal ($\mathcal{T}$-) odd Dirac insulators (trivial or topological)… read more here.
Keywords: order topological; topological superconductors; higher order; dirac ... See more keywords
Optical valleytronics of impurity states in two-dimensional Dirac materials
Sign Up to like & getrecommendations! Published in 2021 at "Physical Review B"
DOI: 10.1103/physrevb.103.l161301
Abstract: We analyze the valley selection rules for optical transitions from impurity states to the conduction band in two-dimensional Dirac materials, taking a monolayer of MoS2 as an example. We employ the analytical model of a… read more here.
Keywords: impurity states; dimensional dirac; dirac materials; impurity ... See more keywords
Gapped Dirac materials and quantum valley currents in dual-gated hBN/bilayer-graphene heterostructures
Sign Up to like & getrecommendations! Published in 2024 at "Physical Review B"
DOI: 10.1103/physrevb.109.075409
Abstract: In gapped Dirac materials, the topological current associated with each valley can flow in opposite directions creating long-range charge-neutral valley currents. We report valley currents in hBN/bilayer-graphene heterostructures with an energy gap, which is tunable… read more here.
Keywords: gapped dirac; dirac materials; hbn bilayer; valley ... See more keywords
Quantum Interference Theory of Magnetoresistance in Dirac Materials.
Sign Up to like & getrecommendations! Published in 2019 at "Physical review letters"
DOI: 10.1103/physrevlett.122.246601
Abstract: Magnetoresistance in many samples of Dirac semimetals and topological insulators displays nonmonotonic behavior over a wide range of magnetic fields. Here a formula of magnetoconductivity is presented for massless and massive Dirac fermions in Dirac… read more here.
Keywords: interference theory; quantum interference; dirac; magnetoresistance ... See more keywords
Floquet Modification of the Bandgaps and Energy Spectrum in Flat-Band Pseudospin-1 Dirac Materials
Sign Up to like & getrecommendations! Published in 2024 at "Applied Sciences"
DOI: 10.3390/app14146027
Abstract: In this paper, we investigate the so-called electronic dressed states, a unified quasiparticle resulting from the interaction between electrons in a two-dimensional material with an off-resonance optical dressing field. If the frequency of this field… read more here.
Keywords: dirac materials; floquet modification; band; energy ... See more keywords
Electrodynamics of Topologically Ordered Quantum Phases in Dirac Materials
Sign Up to like & getrecommendations! Published in 2021 at "Nanomaterials"
DOI: 10.3390/nano11112914
Abstract: First-principles calculations of the electronic ground state in tantalum arsenide are combined with tight-binding calculations of the field dependence of its transport model equivalent on the graphene monolayer to study the emergence of topologically ordered… read more here.
Keywords: ordered quantum; phase; field; electrodynamics ... See more keywords