In physics, Dirac cones are features that occur in some electronic band structures that describe unusual electron transport properties of materials like...

Paul Adrien Maurice Dirac (/dɪˈræk/; 8 August 1902 – 20 October 1984) was an English mathematical and theoretical physicist who is considered to be one...

term Dirac matter refers to a class of condensed matter systems which can be effectively described by the Dirac equation. Even though the Dirac equation...

physics, particularly special relativity, light-cone coordinates, introduced by Paul Dirac and also known as Dirac coordinates, are a special coordinate system...

Dirac notation Dirac bracket Dirac adjoint Dirac cone Dirac points Dirac constant, see reduced Planck constant Dirac–Coulomb–Breit Hamiltonian Dirac equation...

have similar electronic structures. Both have a Dirac cone and linear electronic dispersion around the Dirac points. Both also have a quantum spin Hall effect...

(2009). "Topological insulators in Bi2Se3, Bi2Te3 and Sb2Te3 with a single Dirac cone on the surface". Nature Physics. 5 (6): 438–442. Bibcode:2009NatPh...5...

graphyne has the potential for Dirac cones on its double and triple bonded carbon atoms.[citation needed] Due to the Dirac cones, the conduction and valence...

Bibcode:2016NatMa..15.1140J. doi:10.1038/nmat4787. PMID 27777402. S2CID 1115349. Dirac cone Dirac matter Topological insulator Shuang Jia, Su-Yang Xu & M. Zahid Hasan...

has a topologically insulating ground-state. Topologically protected Dirac cone surface states have been observed in Bismuth selenide and its insulating...

resulting in a different occupation of the spin-polarized branches of the Dirac cone. This unbalance, according to the structure of the topological insulator...

in WTe2 Dirac cone protected by non-symmorphic symmetry and three-dimensional Dirac line node in ZrSiS A new form of Ca3P2 with a ring of Dirac nodes Leslie...

of a fermionic field is the Dirac field, which describes fermions with spin-1/2: electrons, protons, quarks, etc. The Dirac field can be described as either...

In special and general relativity, a light cone (or "null cone") is the path that a flash of light, emanating from a single event (localized to a single...

Brako, R.; Coraux, J.; n'Diaye, A.; Busse, C.; Michely, T. (2009). "Dirac Cones and Minigaps for Graphene on Ir(111)". Physical Review Letters. 102 (5):...

and carrier density. Graphene's electronic band-structure (so-called Dirac cone structure) was first visualized in this material. Weak anti-localization...

doi:10.1103/revmodphys.82.3045. S2CID 260682103. "Superconductors: Dirac cones come in pairs". Advanced Institute for Materials Research. wpi-aimr.tohoku...

exhibits a double Dirac cone, enabling Dirac fermions. A 30 meV gap separates the cones, which indicates the quantum Hall effect and massive Dirac fermions. Close...

dynamically and thermally stable, but also has distorted Dirac cones. The direction-dependent cones are robust against external strain with tuneable Fermi...

Graphene is a semimetal whose conduction and valence bands meet at the Dirac points, which are six locations in momentum space, the vertices of its hexagonal...

A.; Zhang, C.; Ma, Z.S.; Ang, L.K. (2017). "Valleytronics in merging Dirac cones: All-electric-controlled valley filter, valve, and universal reversible...

; Zhang, C.; Ma, Z. S.; Ang, L. K. (2017). "Valleytronics in merging Dirac cones: All-electric-controlled valley filter, valve, and universal reversible...

frequencies (see the Fourier transform of the Dirac delta function, showing infinite frequency bandwidth that the Dirac delta function has), the impulse response...

{\displaystyle \phi =\pi } on every surface resulting in a Dirac cone (or more generally an odd number of Dirac cones) on every surface and therefore making the boundary...

case can be simulated in single-layer materials like graphene near the Dirac cones, where the eigenergies are given by E g r a p h e n e = ± 2 ν ℏ e B v...

Cava; M. Z. Hasan (2009). "Observation of Time-Reversal-Protected Single-Dirac-Cone Topological-Insulator States in Bi 2Te 3 and Sb 2Te 3". Physical Review...

Carola; Ali, Mazhar N. (31 May 2016). "Dirac cone protected by non-symmorphic symmetry and three-dimensional Dirac line node in ZrSiS". Nature Communications...

well as to determine whether it is a higher-order exceptional point. Dirac cones Non-Hermitian quantum mechanics Bergholtz, Emil J.; Budich, Jan Carl;...

(plasmons). Dirac cones appeared in the plexcitons' two-dimensional band-structure. An external magnetic field created a gap between the cones when the system...

as in graphene. Phagraphene: Graphene-like allotrope with distorted Dirac cones. Prismane C8 is a theoretically predicted metastable carbon allotrope...