Results 21 to 30 of about 659,749 (230)

A Dirac–Dunkl Equation on S2 and the Bannai–Ito Algebra [PDF]

open access: yesCommunications in Mathematical Physics, 2016
The Dirac–Dunkl operator on the two-sphere associated to the $${{\mathbb{Z}_{2}^{3}}}$$Z23 reflection group is considered. Its symmetries are found and are shown to generate the Bannai–Ito algebra.
H. De Bie, Vincent X. Genest, L. Vinet
semanticscholar   +2 more sources

A new look at the Dirac quantization condition

open access: yesEuropean Physical Journal C: Particles and Fields, 2023
The angular momentum of any quantum system should be unambiguously quantized. We show that such a quantization fails for a pure Dirac monopole due to a previously overlooked field angular momentum from the monopole-electric charge system coming from the ...
Michael Dunia   +2 more
doaj   +1 more source

Dirac composite fermion theory of general Jain sequences [PDF]

open access: yesPhysical Review Research, 2021
We reconsider the composite fermion theory of general Jain's sequences with filling factor $\nu=N/(4N\pm1)$. We show that Goldman and Fradkin's proposal of a Dirac composite fermion leads to a violation of the Haldane bound on the coefficient of the ...
D. X. Nguyen, D. Son
semanticscholar   +1 more source

SuperTracer: a calculator of functional supertraces for one-loop EFT matching

open access: yesJournal of High Energy Physics, 2021
We present SuperTracer, a Mathematica package aimed at facilitating the functional matching procedure for generic UV models. This package automates the most tedious parts of one-loop functional matching computations.
Javier Fuentes-Martín   +4 more
doaj   +1 more source

The DIRAC code for relativistic molecular calculations. [PDF]

open access: yesJournal of Chemical Physics, 2020
DIRAC is a freely distributed general-purpose program system for one-, two-, and four-component relativistic molecular calculations at the level of Hartree-Fock, Kohn-Sham (including range-separated theory), multiconfigurational self-consistent-field ...
T. Saue   +26 more
semanticscholar   +1 more source

One dimensional representations of finite W $W$ -algebras, Dirac reduction and the orbit method [PDF]

open access: yesInventiones Mathematicae, 2021
In this paper we study the variety of one dimensional representations of a finite W $W$ -algebra attached to a classical Lie algebra, giving a precise description of the dimensions of the irreducible components.
L. Topley
semanticscholar   +1 more source

Comments on the paper “On the κ-Dirac oscillator revisited”

open access: yesPhysics Letters B, 2020
In Ref. [1], the κ-Dirac equation, based on the κ-deformed Poincaré-Hopf algebra, have been studied. In particular, solutions of the κ-Dirac oscillator (DO), in a three-dimensional space, were obtained by deriving the associated radial equations.
Yassine Chargui
doaj   +1 more source

Meson spectrum of SU(2) QCD 1+1 with quarks in Large representations

open access: yesJournal of High Energy Physics, 2023
We consider SU(2) quantum chromodynamics in 1 + 1 dimensions with a single quark in the spin J representation of the gauge group and study the theory in the large J limit where the gauge coupling g 2 → 0 and J → ∞ with λ = g 2 J 2 fixed.
Anurag Kaushal   +2 more
doaj   +1 more source

Relativistic wave equations with fractional derivatives and pseudodifferential operators

open access: yesJournal of Applied Mathematics, 2002
We study the class of the free relativistic covariant equations generated by the fractional powers of the d′Alembertian operator (□1/n). The equations corresponding to n=1 and 2 (Klein-Gordon and Dirac equations) are local in their nature, but the ...
Petr Závada
doaj   +1 more source

On the algebra of symmetries of Laplace and Dirac operators [PDF]

open access: yes, 2017
We consider a generalization of the classical Laplace operator, which includes the Laplace–Dunkl operator defined in terms of the differential-difference operators associated with finite reflection groups called Dunkl operators.
H. De Bie, R. Oste, J. Van der Jeugt
semanticscholar   +1 more source

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