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Related papers: A Study of the Dirac-Sidharth Equation

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We derive a hydrodynamics formulation for a modified Dirac equation with a nonlinear mass term that preserves the homogeneity of the original Dirac equation. The nonlinear Dirac equation admits a symmetric split into the left and…

Analysis of PDEs · Mathematics 2026-03-05 Joan Morrill i Gavarró , Michael Westdickenberg

The one-particle three-dimensional Dirac equation with spherical symmetry is solved for the Hulthen potential. The s-wave relativistic energy spectrum and two-component spinor wavefunctions are obtained analytically. Conforming to the…

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

The semiclassical regime of 2D static Dirac matter is obtained from the Dirac equation in curved space-time. To simplify the formulation, the Cartesian space-time geometry parametrization is transformed to isothermal coordinates using…

Mesoscale and Nanoscale Physics · Physics 2021-11-24 F. Fillion-Gourdeau , E. Lorin , S. Maclean

In this work we solve the Dirac equation by constructing the exact bound state solutions for a mixing of vector and scalar generalized Hartmann potentials. This is done provided the vector potential is equal to or minus the scalar…

Quantum Physics · Physics 2007-06-19 Alvaro de Souza Dutra , M. B. Hott

This Letter is based on the $\kappa$-Dirac equation, derived from the $\kappa$-Poincar\'{e}-Hopf algebra. It is shown that the $\kappa$-Dirac equation preserves parity while breaks charge conjugation and time reversal symmetries.…

High Energy Physics - Theory · Physics 2014-03-21 F. M. Andrade , E. O. Silva , M. M. Ferreira , E. C. Rodrigues

An analytical solution of the Dirac equation with a Cornell potential, with identical scalar and vectorial parts, is presented. The solution is obtained by using the linear potential solution, related to Airy functions, multiplied by…

High Energy Physics - Phenomenology · Physics 2014-07-30 L. A. Trevisan , C. Mirez , F. M. Andrade

By using the general concepts of special relativity and the requirements of quantum mechanics, Dirac equation is derived and studied. Only elementary knowledge of spin and rotations in quantum mechanics and standard handlings of linear…

General Physics · Physics 2011-10-03 M. De Sanctis

The solutions, in terms of orthogonal polynomials, of Dirac equation with analytically solvable potentials are investigated within a novel formalism by transforming the relativistic equation into a Schrodinger like one. Earlier results are…

Quantum Physics · Physics 2009-11-13 M Kocak , B Gonul

The Dirac-Coulomb equation for helium-like ions is solved using the iterative self-consistent field method, with Slater-type spinor orbitals as the basis. These orbitals inherently satisfy the kinetic-balance condition due to their coupling…

Quantum Physics · Physics 2023-10-16 A. Bağcı , P. E. Hoggan

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

The ambiguity involved in the definition of effective-mass Hamiltonians for nonrelativistic models is resolved using the Dirac equation. The multistep approximation is extended for relativistic cases allowing the treatment of arbitrary…

Condensed Matter · Physics 2009-10-31 R. Renan , M. H. Pacheco , C. A. S. Almeida

These notes provide two derivations of the Lorentz-Dirac equation. The first is patterned after Landau and Lifshitz and is based on the observation that the half-retarded minus half-advanced potential is entirely responsible for the…

General Relativity and Quantum Cosmology · Physics 2007-05-23 Eric Poisson

The Dirac method of quantizing Hamiltonian systems with constraints is applied to the massless Thirring model. We solve the quantum Hamiltonian equation for the energy-momentum tensor and obtain a violation of the classical conservation…

Exactly Solvable and Integrable Systems · Physics 2007-05-23 S. Kryukov

We obtain a symmetric tridiagonal matrix representation of the Dirac-Coulomb operator in a suitable complete square integrable basis. Orthogonal polynomials techniques along with Darboux method are used to obtain the bound states energy…

Mathematical Physics · Physics 2012-08-23 A. D. Alhaidari , H. Bahlouli , M. E. H. Ismail

We find an exact solution to the Dirac equation in 1-1 dimensional space-time in the presence of a time-dependent potential which consists of a combination of electric, scalar, and pseudoscalar terms.

Quantum Physics · Physics 2015-05-13 Dan Solomon

Einstein-Dirac equations for two spinor fields are considered. It is shown that in this case one can obtain self-consistent equations set for these gravitating spinors. The key idea to obtain Einstein-Dirac equations is to use special…

General Relativity and Quantum Cosmology · Physics 2011-04-18 Vladimir Dzhunushaliev

We consider a fermion in the presence of a rotating black hole immersed in a universe with positive cosmological constant. After deriving new formulae for the event, Cauchy and cosmological horizons we adopt the Carter tetrad to separate…

General Relativity and Quantum Cosmology · Physics 2018-07-13 D. Batic , K. Morgan , M. Nowakowski , S. Bravo Medina

We study the Dirac equation in a spacetime that represents the nonlinear superposition of the Schwarzchild solution to an external, stationary electromagnetic Berttoti-Robinson solution. We separate the Dirac equation into radial and…

General Relativity and Quantum Cosmology · Physics 2017-08-24 A. Al-Badawi , M. Q. Owaidat

The linearization of a quadratic form gives rise to a Clifford algebra structure, as seen in Dirac's factorization of the d'Alembert operator. A similar structure known as a generalized Clifford algebra arises from the continuation of this…

Mathematical Physics · Physics 2023-05-16 Erin T. Albertin , Zachary P. Bradshaw , Kaitlyn M. Kirt , Kathryn E. Long , Anthony Nguyen

We recently constructed the $R$-Poincar\'e algebra from an appropriate deformed Poisson brackets which reproduce the Fock coordinate transformation. We showed then that the spacetime of this transformation is the de Sitter one. In this…

General Relativity and Quantum Cosmology · Physics 2016-05-16 T. Foughali , A. Bouda