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Solutions of the Dirac equation for an electron in the Coulomb potential are obtained using operator invariants of the equation, namely the Dirac, Johnson-Lippmann and recently found new invariant. It is demonstrated that these operators…

Mesoscale and Nanoscale Physics · Physics 2021-11-17 L. S. Brizhik , A. A. Eremko , V. M. Loktev

It is shown that the Dirac equation with the Coulomb potential can be solved using the algebra of the three spinor invariants of the Dirac equation without the involvement of the methods of supersymmetric quantum mechanics. The Dirac…

Quantum Physics · Physics 2023-04-05 A. A. Eremko , L. S. Brizhik , V. M. Loktev

The general solution of the Dirac equation for quasi-two-dimensional electrons confined in an asymmetric quantum well, is found. The energy spectrum of such a system is exactly calculated using special unitary transformation and shown to…

Mesoscale and Nanoscale Physics · Physics 2016-05-04 A. A. Eremko , L. S. Brizhik , V. M. Loktev

We consider the three-dimensional Dirac equation in spherical coordinates with coupling to static electromagnetic potential. The space components of the potential have angular (non-central) dependence such that the Dirac equation is…

High Energy Physics - Theory · Physics 2008-11-26 A. D. Alhaidari

We consider the three-dimensional Dirac equation in spherical coordinates with coupling to static electromagnetic potential. The space components of the potential have angular (non-central) dependence such that the Dirac equation is…

High Energy Physics - Theory · Physics 2008-11-26 A. D. Alhaidari

In this work, a spin $\frac 12$ relativistic particle described by a generalized potential containing both the Coulomb potential and a Lorentz scalar potential in Dirac equation is investigated in terms of the generalized ladder operators…

Mathematical Physics · Physics 2015-03-13 E. S. Rodrigues , A. F. de Lima , R. de Lima Rodrigues

We obtain exact solution of the Dirac equation for a charged particle with position-dependent mass in the Coulomb field. The effective mass of the spinor has a relativistic component which is proportional to the square of the Compton…

Mathematical Physics · Physics 2009-11-10 A. D. Alhaidari

We present exact analytical solutions of the Dirac equation in $(1+1)$-dimensions for the generalized Kratzer potential by taking the pseudoscalar interaction term as an attractive Coulomb potential. We study the problem for a particular…

Quantum Physics · Physics 2019-01-18 Altug Arda , Ramazan Sever

The Dirac Equation is solved approximately for relativistic generalized Woods-Saxon potential including Coulomb-like tensor potential in exact pseudospin and spin symmetry limits. The bound states energy eigenvalues are found by using…

Nuclear Theory · Physics 2021-01-05 J. Akbar , A. Suparmi , C. Cari

The Dirac equation is solved approximately for the Hulthen potential with the pseudospin symmetry for any spin-orbit quantum number $\kappa$ in the position-dependent mass background. Solutions are obtained reducing the Dirac equation into…

Quantum Physics · Physics 2008-08-08 Sameer M. Ikhdair , Ramazan Sever

For the first time the exact analytical expressions for the three-dimensional bound electron states in the Coulomb field of the chain consisting of positively charged ions, are obtained within the Dirac description, using the new spinor…

Mesoscale and Nanoscale Physics · Physics 2024-11-22 Alexander Eremko , Larissa Brizhik , Vadim Loktev

The Dirac equation is exactly solved for a pseudoscalar linear plus Coulomb-like potential in a two-dimensional world. This sort of potential gives rise to an effective quadratic plus inversely quadratic potential in a Sturm-Liouville…

High Energy Physics - Theory · Physics 2009-11-10 Antonio S. de Castro

We study the Dirac equation in 3+1 dimensions with a general combination of scalar, vector and tensor interactions with arbitrary strengths, all of them described by central Coulomb potentials acting on a particular plane of motion. For the…

Quantum Physics · Physics 2026-03-24 V. B. Mendrot , A. S. de Castro , P. Alberto

The Dirac equation is generalized to $D+1$ space-time.The conserved angular momentum operators and their quantum numbers are discussed. The eigenfunctions of the total angular momenta are calculated for both odd $D$ and even $D$ cases. The…

Atomic Physics · Physics 2009-11-07 Xiao-Yan Gu , Zhong-Qi Ma , Shi-Hai Dong

We study the effect of spatially dependent mass function over the solution of the Dirac equation with the Coulomb potential in the (3+1)-dimensions for any arbitrary spin-orbit $\kappa $ state$.$ In the framework of the spin and pseudospin…

Mathematical Physics · Physics 2010-03-16 Sameer M. Ikhdair , Ramazan Sever

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

In the present article we analyze the problem of a relativistic Dirac electron in the presence of a combination of a Coulomb field, a $1/r$ scalar potential as well as a Dirac magnetic monopole and an Aharonov-Bohm potential. Using the…

High Energy Physics - Theory · Physics 2016-08-15 Víctor M. Villalba

One more mode developed to get eigen energies and states for the one-electron Dirac's equation with spherically symmetric bound potential. For the particular case of the Coulomb potential it was shown that the method is free of so called…

General Physics · Physics 2008-11-25 K V Koshelev

Dirac equation is solved for some exponential potentials, hypergeometric-type potential, generalized Morse potential and Poschl-Teller potential with any spin-orbit quantum number $\kappa$ in the case of spin and pseudospin symmetry,…

Mathematical Physics · Physics 2010-03-05 Altug Arda , Ramazan Sever , Cevdet Tezcan

Dirac-Coulomb type differential equation and its solution relativistic exponential-type spinor orbitals are introduced. They provide a revised form for operator invariants, namely Dirac invariants, simplifying the treatment of the angular…

Quantum Physics · Physics 2024-04-03 Ali Bagci
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