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We discuss the most general form of Dirac equation in the non$-$Riemannian spacetimes containing curvature, torsion and non$-$metricity. It includes all bases of the Clifford algebra $cl(1,3)$ within the spinor connection. We adopt two…

Mathematical Physics · Physics 2026-02-18 Muzaffer Adak , Ali Bagci , Caglar Pala , Ozcan Sert

Considering a four dimensional parallelisable manifold, we develop a concept of Dirac-type tensor equations with wave functions that belong to left ideals of the set of nonhomogeneous complex valued differential forms.

Mathematical Physics · Physics 2019-10-21 Nikolai Marchuk

We define and study the Cauchy problem for a 1-D nonlinear Dirac equation with nonlinearities concentrated at one point. Global well-posedness is provided and conservation laws for mass and energy are shown. Several examples, including…

Mathematical Physics · Physics 2016-07-05 Claudio Cacciapuoti , Raffaele Carlone , Diego Noja , Andrea Posilicano

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

In this paper, the quaternionic Dirac equation is solved for quaternionic potentials, iV0+jW0. The study shows two different solutions. The first solution contains particles and anti-particles and leads to the diffusion, tunneling and Klein…

Mathematical Physics · Physics 2014-02-12 Stefano De Leo , Sergio Giardino

It is proven that the usual quadratic general-covariant Lagrangian for the Dirac field leads to a symmetric, divergence-free energy-momentum tensor in the standard Riemannian framework of space-time without torsion, provided the tetrad…

General Relativity and Quantum Cosmology · Physics 2008-02-03 Ludger Hannibal

The Dirac equation with a U(1) vortex in the mass-term is solved in the presence of magnetic-like fields at zero energy. By drawing an analogy to classical mechanics, it is shown that the four-component Dirac equation in arbitrary magnetic…

Mesoscale and Nanoscale Physics · Physics 2010-05-21 Igor F. Herbut

A self consistent solution to Dirac equation in a Kerr Newman space-time with $M^2 > a^2 + Q^2$ is presented for the case when the Dirac particle is the source of the curvature and the electromagnetic field. The solution is localised,…

General Relativity and Quantum Cosmology · Physics 2007-05-23 D. Ranganathan

It is shown that the hypercomplex Dirac equation describes the system of connected fields: 4-scalar, 4-pseudoscalar, 4-vector, 4-pseudo-vector and antisymmetric 4-tensor second rank field. If mass is assumed to be zero this system splits…

Quantum Physics · Physics 2007-05-23 K. S. Karplyuk , O. O. Zhmudskyy

The present theory is closely related to Dirac's equation of the electron, but not to his magnetic monopole theory, except for his relation between electric and magnetic charge. The theory is based on the fact, that the massless Dirac…

Quantum Physics · Physics 2008-11-26 Georges Lochak

The relativistic positive-energy wave equation proposed by P. Dirac in 1971 is an old but largely forgotten subject. The purpose of this note is to speculate that particles described by this equation (called here Dirac particles) are…

High Energy Physics - Theory · Physics 2024-06-05 Eugene Bogomolny

The properties of the equation of Dirac type in three-dimensional and five-dimensional Minkowski space-time with respect to time reflection (in sense of Pauli and Wigner) as well as to the operation of charge conjugation are investigated.…

Quantum Physics · Physics 2007-05-23 Wilhelm I. Fushchych

We obtain a complete set of free-field solutions of the Dirac equation in a (longitudinal) boost-invariant geometry with azimuthal symmetry and use these solutions to perform the canonical quantization of a free Dirac field of mass $M$.…

High Energy Physics - Phenomenology · Physics 2009-11-11 Bogdan Mihaila , John F. Dawson , Fred Cooper

We show a nice symmetric/antisymmetric relation between the four vector Lorentz transformation and the Dirac spinor one in the Majorana representation. From the spinor one, we exhibit the antisymmetric pending of the symmetric Minkowski…

General Physics · Physics 2023-04-10 Guy Barrand

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

A generalization of the Dirac field equation in three-dimensional Minkowski space-time to the case of the $\bar{SL}(3,R)$ $\subset$ $\bar{SA}(3,R)$ symmetry is considered. Constraints that ensure a correct physical interpretation of the…

General Relativity and Quantum Cosmology · Physics 2007-05-23 I. Miskovic , Dj. Sijacki

We establish the gravitational detectability of a Dirac monopole using a weak-field limit of general relativity, which can be developed from the Newtonian gravitational potential by including energy as a source. The resulting potential…

General Relativity and Quantum Cosmology · Physics 2017-09-22 E. Banyas , J. Franklin

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

Dirac particles have been notoriously difficult to confine. Implementing a curved space Dirac equation solver based on the quantum Lattice Boltzmann method, we show that curvature in a 2-D space can confine a portion of a charged, mass-less…

Mesoscale and Nanoscale Physics · Physics 2018-11-02 Kyriakos Flouris , Miller Mendoza Jimenez , Jens-Daniel Debus , Hans J. Herrmann

We investigate the solutions to the Lorentz-Dirac equation and show that its solution flow has a structure identical to the one of renormalization group flows in critical phenomena. The physical solutions of the Lorentz-Dirac equation lie…

Accelerator Physics · Physics 2010-12-17 Herbert Spohn
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