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Dirac field equations are studied for spinor fields without any external interaction and when they are considered on a background having a tensorial connection with a specific non-vanishing structure some solution can be found in polar form…

General Physics · Physics 2019-06-04 Luca Fabbri

We study the behavior of two-dimensional Dirac fermions in the presence of a static long-range-correlated random vector potential. By applying an exact path integral representation for the propagator of a spinor particle we obtain…

Condensed Matter · Physics 2009-11-07 D. V. Khveshchenko , A. G. Yashenkin

We exactly solve the (2+1)-dimensional Dirac equation in a constant magnetic field in the presence of a minimal length. Using a proper ansatz for the wave function, we transform the Dirac Hamiltonian into two 2-dimensional non-relativistic…

High Energy Physics - Theory · Physics 2015-02-12 P. Pedram , M. Amirfakhrian , H. Shababi

We study the confinement of charged Dirac particles in 3+1 space-time due to the presence of a constant and tilted magnetic field. We focus on the nature of the solutions of the Dirac equation and on how they depend on the choice of vector…

High Energy Physics - Theory · Physics 2022-06-22 Abdulaziz D. Alhaidari , Hocine Bahlouli , Ahmed Jellal

A single spin-$\frac{1}{2}$ particle obeys the Dirac equation in $d\ge 1$ spatial dimension and is bound by an attractive central monotone potential which vanishes at infinity (in one dimension the potential is even). This work refines the…

Mathematical Physics · Physics 2015-10-06 Richard L. Hall , Petr Zorin

One dimensional Dirac equation is analysed with regard to the existence of exact (or closed-form) solutions for polynomial potentials. The notion of Liouvillian functions is used to define solvability, and it is shown that except for the…

Mathematical Physics · Physics 2011-04-07 Tomasz Stachowiak

Dirac's equation in the field of a circularly polarized electromagnetic wave and constant magnetic field has exact localized non-stationary solutions. The solutions corresponds relativistic fermions only. Among them singular solutions with…

General Physics · Physics 2012-03-27 Boris V. Gisin

A new method to solve the Dirac equation on a 3D lattice is proposed, in which the variational collapse problem is avoided by the inverse Hamiltonian method and the fermion doubling problem is avoided by performing spatial derivatives in…

Nuclear Theory · Physics 2017-02-14 Z. X. Ren , S. Q. Zhang , J. Meng

Exact solutions of the Dirac equation, a system of four partial differential equations, are rare. The vast majority of them are for highly symmetric stationary systems. Moreover, only a handful of solutions for time dependent dynamics…

Quantum Physics · Physics 2021-03-24 Andre G. Campos , Karen Z. Hatsagortsyan , Christoph H. Keitel

We obtain exact solution of the Dirac equation with the Coulomb potential as an infinite series of square integrable functions. This solution is for all energies, the discrete as well as the continuous. The spinor basis elements are written…

High Energy Physics - Theory · Physics 2011-07-28 A. D. Alhaidari

It is shown that a simple continuity condition in the algebra of split octonions suffices to formulate a system of differential equations that are equivalent to the standard Dirac equations. In our approach the particle mass and…

High Energy Physics - Theory · Physics 2011-08-11 Merab Gogberashvili

The Dirac equation with a scalar and an electromagnetic potentials is considered. In the time-harmonic case and when all the involved functions depend only on two spatial variables it reduces to a pair of decoupled bicomplex Vekua-type…

Mathematical Physics · Physics 2011-11-18 Hugo M. Campos , Vladislav V. Kravchenko , Luis M. Mendez

Solutions of the Dirac equation with spin and pseudospin symmetry for the scalar and vector trigonometric scarf potential in $D$-dimensions within the framework of an approximation scheme to the centrifugal barrier are obtained. The energy…

Quantum Physics · Physics 2011-11-30 B. J. Falaye , K. J. Oyewumi

The two-body Dirac equation with general local potential is reduced to the pair of ordinary second-order differential equations for radial components of a wave function. The class of linear + Coulomb potentials with complicated spin-angular…

High Energy Physics - Phenomenology · Physics 2008-12-19 Askold Duviryak

Two dimensional massless Dirac Hamiltonian under the influence of hyperbolic magnetic fields is mentioned in curved space. Using a spherical surface parametrization, the Dirac operator on the sphere is presented and the system is given as…

Mathematical Physics · Physics 2014-07-01 Özlem Yeşiltaş

After the short survey of the Klein Paradox in 3-dimensional relativistic equations, we present a detailed consideration of Dirac modified equation, which follows by one particle infinite overweighting in Salpeter Equation. It is shown,…

High Energy Physics - Theory · Physics 2007-05-23 N. Kevlishvili , A. Khelashvili , T. Nadareishvili

In the application of potential models, the use of the Dirac equation in central potentials remains of phenomenological interest. The associated set of decoupled second-order ordinary differential equations is here studied by exploiting the…

High Energy Physics - Phenomenology · Physics 2009-09-28 Giampiero Esposito , Pietro Santorelli

A first-order relativistic wave equation is constructed in five dimensions. Its solutions are eight-component spinors, which are interpreted as single-particle fermion wave functions in four-dimensional spacetime. Use of a ``cylinder…

Quantum Physics · Physics 2008-11-26 N. Redington , M. A. K. Lodhi

An effective approach for solving the three-dimensional Dirac equation for spherically symmetric local interactions, which we have introduced recently, is reviewed and consolidated. The merit of the approach is in producing Schrodinger-like…

Mathematical Physics · Physics 2009-11-07 A. D. Alhaidari

The aim of this work is to find exact solutions of the Dirac equation in 1+1 space-time beyond the already known class. We consider exact spin (and pseudo-spin) symmetric Dirac equations where the scalar potential is equal to plus (and…

High Energy Physics - Theory · Physics 2018-04-04 I. A. Assi , A. D. Alhaidari , H. Bahlouli