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This paper is devoted to a study of relativistic eigenstates of Dirac particles which are simultaneously bound by a static Coulomb potential and added linear confining potentials. It has recently been shown that, despite the addition of…

Quantum Physics · Physics 2015-02-09 J. H. Noble , U. D. Jentschura

We obtain an exact solution of the Dirac equation in (2+1)-dimensions in the presence of a constant magnetic field normal to the plane together with a two-dimensional Dirac-oscillator potential coupling. The solution space consists of a…

High Energy Physics - Theory · Physics 2014-11-18 Ahmed Jellal , Abdulaziz D. Alhaidari , Hocine Bahlouli

A thorough study is performed of the analytical properties of the fermion determinant for the case that the time components of (axial) vector fields do not vanish. For this purpose the non--Hermitian Euclidean Dirac Hamiltonian is…

High Energy Physics - Phenomenology · Physics 2009-09-25 H. Weigel , U. Zückert , R. Alkofer , H. Reinhardt

We study a relativistic charged Dirac particle moving in a rotating magnetic field. By using a time-dependent unitary transformation, the Dirac equation with the time-dependent Hamiltonian can be reduced to a Dirac-like equation with a…

Quantum Physics · Physics 2009-11-07 Qiong-gui Lin

Basically (2 + 1) dimensional Dirac equation with real deformed Lorentz scalar potential is investi gated in this study. The position dependent Fermi velocity function transforms Dirac Hamiltonian into a Klein-Gordon-like effective…

Mathematical Physics · Physics 2018-08-01 O. Yesiltas , B. Cagatay

Close to the continuum the lattice spacing affects the smallest eigenvalues of the Wilson Dirac operator in a very specific manner determined by the way in which the discretization breaks chiral symmetry. These effects can be computed…

High Energy Physics - Lattice · Physics 2012-11-09 K. Splittorff

Using a Dirac-matrix substitution rule, applied to the electric charge, the anomalous magnetic moments of fermions are incorporated in local form in the two-body relativistic wave equations of constraint theory. The structure of the…

High Energy Physics - Theory · Physics 2009-10-30 H. Jallouli , H. Sazdjian

In this paper we construct an analytical separation (diagonalization) of the full (minimal coupling) Dirac equation into particle and antiparticle components. The diagonalization is analytic in that it is achieved without transforming the…

Quantum Physics · Physics 2009-11-10 T. L. Gill , W. W. Zachary

In this article we present the algebraic rearrangement, or matrix inversion of the Dirac equation in a curved Riemann-Cartan spacetime with torsion, the presence of non-vanishing torsion is implied by the intrinsic spin-1/2 of the Dirac…

General Relativity and Quantum Cosmology · Physics 2018-12-18 Shaun Inglis , Peter Jarvis

We define and study the probability current and the Hamiltonian operator for a fully general set of Dirac matrices in a flat spacetime with affine coordinates, by using the Bargmann-Pauli hermitizing matrix. We find that with some weak…

Quantum Physics · Physics 2011-08-31 Mayeul Arminjon , Frank Reifler

A single fermion is bound by a softcore central Coulomb potential V(r) = -v/(r^q + b^q)^(1/q), v>0, b>0, q \ge 1, in d>1 spatial dimensions. Envelope theory is used to construct analytic lower bounds for the discrete Dirac energy spectrum.…

Mathematical Physics · Physics 2015-06-04 Richard L. Hall , Petr Zorin

On a static spacetime, the solutions of the Dirac equation are generated by a time-independent Hamiltonian. We study this Hamiltonian and characterize the split into positive and negative energy. We use it to find explicit expressions for…

General Relativity and Quantum Cosmology · Physics 2009-10-31 Wei Min Jin

Starting from the chiral Lagrangian for Wilson fermions at nonzero lattice spacing we have obtained compact expressions for all spectral correlation functions of the Hermitian Wilson Dirac operator in the $\epsilon$-domain of QCD with…

High Energy Physics - Lattice · Physics 2011-12-05 K. Splittorff , J. J. M. Verbaarschot

We study the problem of a Dirac field in the background of an Aharonov-Bohm flux string. We exclude the origin by imposing spectral boundary conditions at a finite radius then shrinked to zero. Thus, we obtain a behaviour of eigenfunctions…

High Energy Physics - Theory · Physics 2009-10-31 C. G. Beneventano , M. De Francia , E. M. Santangelo

We consider the Dirac equation with a magnetic-solenoid field (the superposition of the Aharonov--Bohm solenoid field and a collinear uniform magnetic field). Using von Neumann's theory of the self-adjoint extensions of symmetric operators,…

High Energy Physics - Theory · Physics 2025-10-30 S. P. Gavrilov , D. M. Gitman , A. A. Smirnov , B. L. Voronov

The recently obtained solutions of the Dirac equation in the confining SU(3)-Yang-Mills field in Minkowski spacetime are applied to describe the energy spectrum of charmonium. The nonrelativistic limit is considered for the relativistic…

High Energy Physics - Phenomenology · Physics 2009-12-17 Yu. P. Goncharov

The eigenvalues of the Dirac operator on a curved spacetime are diffeomorphism-invariant functions of the geometry. They form an infinite set of ``observables'' for general relativity. Recent work of Chamseddine and Connes suggests that…

General Relativity and Quantum Cosmology · Physics 2009-10-28 Giovanni Landi , Carlo Rovelli

We obtain analytic solutions for the one-dimensional Dirac equation with the Morse potential as an infinite series of square integrable functions. These solutions are for all energies, the discrete as well as the continuous. The elements of…

Mathematical Physics · Physics 2015-06-26 A. D. Alhaidari

We analyse the linear confinement of a Majorana fermion in $\left(1+1\right)$-dimensions. We show that the Dirac equation can be solved analytically. Besides, we show that the spectrum of energy is discrete, however, the energy levels are…

Quantum Physics · Physics 2017-09-05 R. F. Ribeiro , K. Bakke

We study the problem of a Dirac field in the background of an Aharonov-Bohm flux string. We exclude the origin by imposing spectral boundary conditions at a finite radius then shrinked to zero. Thus, we obtain a behaviour of the…

High Energy Physics - Theory · Physics 2007-05-23 C. G. Beneventano , M. De Francia , E. M. Santangelo
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