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Related papers: Octonionic Version of Dirac Equations

200 papers

The Maxwell vector potential and the Dirac spinor used to describe the classical theory of electrodynamics both have components which are considered to be ordinary smooth functions on space-time. We reformulate electrodynamics by adding an…

High Energy Physics - Phenomenology · Physics 2007-05-23 J. Madore

The "marginal" distributions for measurable coordinate and spin projection is introduced. Then, the analog of the Pauli equation for spin-1/2 particle is obtained for such probability distributions instead of the usual wave functions. That…

Quantum Physics · Physics 2009-11-06 S. Mancini , O. V. Man'ko , V. I. Man'ko , P. Tombesi

We derive a Dirac-like equation, the asymmetric Dirac equation, where particles and antiparticles sharing the same wave number have different energies and momenta. We show that this equation is Lorentz covariant under proper Lorentz…

High Energy Physics - Phenomenology · Physics 2023-11-30 Gustavo Rigolin

Dirac's equation in the field of a circularly polarized electromagnetic wave and constant magnetic field has exact localized non-stationary solutions. The solutions corresponds relativistic fermions only. Among them singular solutions with…

General Physics · Physics 2012-03-27 Boris V. Gisin

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

The application of the theory of scale relativity to microphysics aims at recovering quantum mechanics as a new non-classical mechanics on a non-derivable space-time. This program was already achieved as regards the Schr\"odinger and Klein…

High Energy Physics - Theory · Physics 2008-11-26 Marie-Noelle Celerier , Laurent Nottale

A rigorous \textit{ab initio} derivation of the (square of) Dirac's equation for a single particle with spin is presented. The general Hamilton-Jacobi equation for the particle expressed in terms of a background Weyl's conformal geometry is…

Quantum Physics · Physics 2011-07-19 Enrico Santamato

The importance of the energy spectrum of bound states and their restrictions in quantum mechanics due to the different methods have been used for calculating and determining the limit of them. Comparison of Schrodinger-like equation…

Quantum Physics · Physics 2018-07-09 Zahra Bakhshi

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

Previously (A. Akhmeteli, J. Math. Phys., v. 52, p. 082303 (2011)), the Dirac equation in an arbitrary electromagnetic field was shown to be generally equivalent to a fourth-order equation for just one component of the four-component Dirac…

General Physics · Physics 2019-10-15 Andrey Akhmeteli

Exact analytic solutions are found to the Dirac equation for a combination of Lorentz scalar and vector Coulombic potentials with additional non-Coulombic parts. An appropriate linear combination of Lorentz scalar and vector non-Coulombic…

High Energy Physics - Phenomenology · Physics 2017-08-23 A. S. de Castro , J. Franklin

It is of general theoretical interest to investigate the properties of superluminal matter wave equations for spin one-half particles. One can either enforce superluminal propagation by an explicit substitution of the real mass term for an…

High Energy Physics - Phenomenology · Physics 2012-10-04 U. D. Jentschura

Using the language of the Geometric Algebra, we recast the massless Dirac bispinor as a set of Lorentz scalar, bivector, and pseudoscalar fields that obey a generalized form of Maxwell's equations of electromagnetism. The spinor's unusual…

Quantum Physics · Physics 2017-07-18 Anastasios Y. Papaioannou

By constructing the commutative operators chain, we derive the integrable conditions for solving the eigenfunctions of Dirac equation and Schr\"odinger equation. These commutative relations correspond to the intrinsic symmetry of the…

General Physics · Physics 2017-06-02 Ying-Qiu Gu

Applying the Hamilton's quaternion algebra, we propose the generalized electromagnetic-fluid dynamics of dyons governed by the combination of the Dirac-Maxwell, Bernoulli and Navier-Stokes equations. The generalized quaternionic…

General Physics · Physics 2019-12-18 B. C. Chanyal

We consider the Dirac equations in static spherically-symmetric space-times, and we present a type of spinor field whose structure allows the separation of elevation angle and radial coordinate in very general situations. We demonstrate…

General Relativity and Quantum Cosmology · Physics 2024-05-14 Roberto Cianci , Stefano Vignolo , Luca Fabbri

When quantum fields are coupled to gravitational fields, spontaneous particle creation may occur similarly to when they are coupled to external electromagnetic fields. Gravitational fields can be incorporated as background spacetime if the…

Quantum Physics · Physics 2017-05-17 C. Koke , C. Noh , D. G. Angelakis

The multifractal scaling exponents are calculated for the critical wave function of a two-dimensional Dirac fermion in the presence of a random magnetic field. It is shown that the problem of calculating the multifractal spectrum maps into…

Mesoscale and Nanoscale Physics · Physics 2009-10-30 Horacio E. Castillo , Claudio de C. Chamon , Eduardo Fradkin , Paul M. Goldbart , Christopher Mudry

Using octonions, more specifically, using a 4 x 4 matrix representation of octonions obtained with the help of algebraic properties of quaternions, we obtain the fully symmetric Maxwell's equations (Maxwell's equations with electric and…

Mathematical Physics · Physics 2015-03-09 K. Pushpa , J. C. A. Barata

A model in which a Dirac particle in $\mathbb{R}^{3}$ is bound by $N\geqslant1$ spatially distributed zero-range potentials is presented. Interactions between the particle and the potentials are modeled by subjecting a particle's bispinor…

Quantum Physics · Physics 2022-07-27 Radosław Szmytkowski