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Dirac's equation of the electron will be discussed by using quaternions as the basis of a new formalism which seems to be very well adapted to the problem. The transformation properties of the equations as well as the invariant and…

History and Philosophy of Physics · Physics 2007-05-23 Cornelius Lanczos

A realistic interpretation of Schroedinger and Dirac equations for density matrices is proposed, in which the difference between the position arguments of the density matrix is considered as an objective extra space dimension. "Particle"…

Quantum Physics · Physics 2007-05-23 A. Raiteri

We write the Dirac equation in curved 4-dimensional Lorentzian spacetime using concepts from the analysis of partial differential equations as opposed to geometric concepts.

Differential Geometry · Mathematics 2017-12-13 Dmitri Vassiliev

The Dirac equation with the Coulomb potential is studied. It is shown that there exists a new invariant in addition to the known Dirac and Johnson-Lippman ones. The solution of the Dirac equation, using the generalized invariant, and…

Quantum Physics · Physics 2020-09-22 A. A. Eremko , L. Brizhik , V. M. Loktev

We prove local in time Strichartz estimates for the Dirac equation on spherically symmetric manifolds. As an application, we give a result of local well-posedness for some nonlinear models.

Analysis of PDEs · Mathematics 2019-02-21 Federico Cacciafesta , Anne-Sophie de Suzzoni

A new integral equation formulation is presented for the Maxwell transmission problem in Lipschitz domains. It builds on the Cauchy integral for the Dirac equation, is free from false eigenwavenumbers for a wider range of permittivities…

Analysis of PDEs · Mathematics 2021-02-16 Johan Helsing , Andreas Rosén

We consider the Dirac equation in 3+1 dimensions with spherical symmetry and coupling to 1/r singular vector potential. An approximate analytic solution for all angular momenta is obtained. The approximation is made for the 1/r orbital term…

Mathematical Physics · Physics 2014-11-20 A. D. Alhaidari

This paper investigates the \emph{massive} Maxwell-Dirac system under the Lorenz gauge condition in (4+1) dimensional Minkowski space. The focus is on establishing global existence and scattering results for small solutions on the weighted…

Analysis of PDEs · Mathematics 2023-12-22 Kiyeon Lee

We construct general solutions of the time-dependent Dirac equation in (1+1) dimensions with a Lorentz scalar potential, subject to the so-called Majorana condition, in the Majorana representation. In this situation, these solutions are…

Quantum Physics · Physics 2020-07-08 Salvatore De Vincenzo

The work is devoted to the generalization of the Dirac equation for a flat locally anisotropic, i.e., Finslerian space-time. At first we reproduce the corresponding metric and a group of the generalized Lorentz transformations, which has…

High Energy Physics - Theory · Physics 2009-11-10 G. Yu. Bogoslovsky , H. F. Goenner

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

The Maxwell-Dirac equations with nonzero charge mass in one space dimension are studied under the Lorentz gauge condition. The global existence and uniqueness of solution in $C([0,+\infty);L^2(R^1))\times C_b(R^1 \times [0,\infty))$ for…

Analysis of PDEs · Mathematics 2013-04-16 Aiguo You , Yongqian Zhang

In a previous paper, we found an extension of the N-dimensional Lorentz generators that partially restores the closed operator algebra in the presence of a Maxwell field, and is conserved under system evolution. Generalizing the…

High Energy Physics - Theory · Physics 2007-05-23 Martin Land

In this paper, we generalize a previous relativistic $1+1$-dimensional model for two mass-less Dirac particles with relativistic contact interactions to the $N$-particle case. Our model is based on the notion of a multi-time wave function…

Mathematical Physics · Physics 2016-03-17 Matthias Lienert , Lukas Nickel

Quaternion Dirac equation has been analyzed and its supersymetrization has been discussed consistently. It has been shown that the quaternion Dirac equation automatically describes the spin structure with its spin up and spin down…

High Energy Physics - Theory · Physics 2009-08-03 Seema Rawat , O. P. S. Negi

By means of a simple model we investigate the possibility that spacetime is a membrane embedded in higher dimensions. We present cosmological solutions of d-dimensional Einstein-Maxwell theory which compactify to two dimensions. These…

High Energy Physics - Theory · Physics 2009-10-07 G. W. Gibbons , D. L. Wiltshire

A formulation of Dirac's equation using complex-quaternionic coordinates appears to yield an enormous gain in formal elegance, as there is no longer any need to invoke Dirac matrices. This formulation, however, entails several…

Mathematical Physics · Physics 2009-11-10 Dirk Schuricht , Martin Greiter

Dirac-like monopoles are studied in three-dimensional Abelian Maxwell and Maxwell-Chern-Simons models. Their scalar nature is highlighted and discussed through a dimensional reduction of four-dimensional electrodynamics with electric and…

High Energy Physics - Theory · Physics 2009-11-07 E. M. C. Abreu , J. A. Helayel-Neto , M. Hott , W. A. Moura-Melo

We formulate Lorentz group representations in which ordinary complex numbers are replaced by linear functions of real quaternions and introduce dotted and undotted quaternionic one-dimensional spinors. To extend to parity the space-time…

High Energy Physics - Theory · Physics 2007-05-23 Stefano De Leo

Soon after the Yang-Mills work, the gauge invariance became one of the basic principles in the elementary particles theory. The gauge invariance idea is that Lagrangian has to be invariant not only with respect to the coordinates…

High Energy Physics - Theory · Physics 2007-05-23 O. A. Ol'khov