Search
Search Results
-
BMS algebra from residual gauge invariance in light-cone gravity
We analyze the residual gauge freedom in gravity, in four dimensions, in the light-cone gauge, in a formulation where unphysical fields are...
-
Floquet Engineering of Dirac Cones
The use of periodic drivings to achieve greater control of quantum states is becoming more and more relevant. Indeed, it provides with a level of...
-
Light-cone sum rules for S-wave B → Kπ form factors
We derive a set of light-cone sum rules relating the S -wave B → Kπ hadronic form factors to the B -meson light-cone distribution amplitudes (LCDAs),...
-
Experimental signatures of the chiral anomaly in Dirac–Weyl semimetals
In condensed matter, the chiral anomaly describes the conversion of left-moving Dirac–Weyl fermions to right-moving ones in parallel electric and...
-
Maximal terahertz emission in high harmonic generation from 3D Dirac semimetals
Unlike conventional semiconductor platforms, 3D Dirac semimetals (DSMs) require relatively low input laser intensities for efficient terahertz (THz)...
-
Field-induced metal-to-insulator transition and colossal anisotropic magnetoresistance in a nearly Dirac material EuMnSb2
Realizing applicably appreciated spintronic functionalities basing on the coupling between charge and spin degrees of freedom is still a challenge....
-
Modulation of the Dirac Point Band Gap in the Antiferromagnetic Topological Insulator MnBi2Te4 due to the Surface Potential Gradient Change
AbstractThe possibility of significant modulation of the band gap open at the Dirac point (DP) in the range from 15 to 55 meV for different samples...
-
Magnetic dipole moments of bottom-charm baryons in light-cone QCD
The magnetic dipole moments of the doubly-heavy baryons include significant data on their inner structure and geometric shape. Moreover,...
-
Resha** of Dirac Cones by Electric Fields
By applying uniform electric fields to topological surface states and metallic graphene armchair nanoribbons, we are able to change the Fermi...
-
Semi-leptonic three-body proton decay modes from light-cone sum rules
Using light-cone sum rule techniques, we estimate the form factors which parametrise the hadronic matrix elements that are relevant for semi-leptonic...
-
Magnetic moments of spin–1/2 triply heavy baryons: a study of light-cone QCD and quark–diquark model
In this study, the magnetic moments of the spin-1/2 triply heavy baryons have been calculated using both light-cone QCD sum rules and quark–diquark...
-
Charge density wave and weak Kondo effect in a Dirac semimetal CeSbTe
Using angle-resolved photoemission spectroscopy (ARPES) and low-energy electron diffraction (LEED), together with density-functional theory (DFT)...
-
Resha** of Dirac Cones by Magnetic Fields
Magnetic fields are known to break time-reversal symmetry and represent the destruction of the topological insulating phase. However, for specific...
-
Electronic transport in two-dimensional strained Dirac materials under multi-step Fermi velocity barrier: transfer matrix method for supersymmetric systems
AbstractIn recent years, graphene and other two-dimensional Dirac materials like silicene, germanene, etc. have been studied from different points of...
-
Geometric Algebras of Light Cone Projective Graph Geometries
A null vector is an algebraic quantity with the property that its square is zero. I denote the universal algebra generated by taking all sums and...
-
A High-Frequency Homogenization Approach Near the Dirac Points in Bubbly Honeycomb Crystals
In (Ammari et al. in SIAM J Math Anal. ar**v:1811.03905 ), the existence of a Dirac dispersion cone in a bubbly honeycomb phononic crystal comprised...
-
Bondi-Metzner-Sachs algebra as an extension of the Poincaré symmetry in light-cone gravity
We analyze possible local extensions of the Poincaré symmetry in light-cone gravity in four dimensions. We use a formalism where we represent the...
-
Light-cone sum rules for proton decay
We estimate the form factors that parametrise the hadronic matrix elements of proton-to-pion transitions with the help of light-cone sum rules. These...
-
Light cone sum rules and form factors for p → e+γ
Proton decay is a baryon number violating process, and hence is forbidden in the Standard Model (SM) of particle physics. Baryon number violation is...
-
Emergent chiral symmetry in a three-dimensional interacting Dirac liquid
We compute the effects of strong Hubbardlike local electronic interactions on three-dimensional four-component massless Dirac fermions, which in a...