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An electromagnetic field of simple algebraic structure is simply derived. It turns out to be the G=0 limit of the charged rotating Kerr-Newman metrics. These all have gyromagnetic ratio 2, the same as the Dirac electron. The charge and…

Astrophysics · Physics 2007-05-23 Donald Lynden-Bell

We compute the energy spectrum of the ground state of a 2D Dirac electron in the presence of a Coulomb potential and a constant magnetic field perpendicular to the plane where the the electron is confined. With the help of a mixed-basis…

Mesoscale and Nanoscale Physics · Physics 2009-11-10 Victor M. Villalba , Ramiro Pino

A new method to calculate the electric field inside a spherical shell with surface charge in terms of solid angle is presented. The integral can be readily carried out without invoking special functions typically used for this classical…

Classical Physics · Physics 2025-02-11 Fulin Zuo

The intrinsic and dynamic kinetic energies, and the potential energies of electron states in the hydrogen atom, were determined using the operator formalism in the Schrodinger nonrelativistic equation. Intrinsic energies were determined…

Quantum Physics · Physics 2025-05-12 Jacek Mroczkowski

A putative temporally varying circulation-free magnetic-field configuration is inferred in an equatorial segment of the solar convection zone from the helioseismologically inferred angular-velocity variation, assuming that the predominant…

Solar and Stellar Astrophysics · Physics 2015-06-11 H. M. Antia , S. M. Chitre , D. O. Gough

We have explored the magnetosphere described by a numerical solution for an axisymmetric rotating field satisfying the force-free and ideal MHD conditions everywhere. The electric current distribution is determined by the requirement of…

Astrophysics · Physics 2009-11-07 Jun Ogura , Yasufumi Kojima

A fraction of energy is theoretically predicted to be captured from electromagnetic field to form a gravitating mass, when a low-mass charged particle enters the strong field from a region of no electromagnetism. In this paper the mass…

General Physics · Physics 2009-08-09 Zihua Weng

Mean field methods to calculate the nuclear mass are extended into the high spin regime to calculate the nuclear binding energy as a function of proton number, neutron number and angular momentum. Comparing the trend as a function of mass…

Nuclear Theory · Physics 2009-11-11 B. G. Carlsson , I. Ragnarsson

A simple physical insight into the origin of the magnetic moment anomaly of electron is presented. This approach is based on the assumption that the electromagnetic mass of the electron due to the electric field generated by electron charge…

General Physics · Physics 2013-07-09 N. B. Mandache

It is shown that the momentum density of free electromagnetic field splits into two parts. One has no contribution to the net momentum due to the transversality condition. The other yields all the momentum. The angular momentum that…

Optics · Physics 2016-02-01 Chun-Fang Li

Using EW-MSSM field theory, so the EWPT is first order, we derive the equations of motion for the gauge fields. With an isospin ansatz we derive e.o.m. for the electrically charged W fields uncoupled from all other fields. These and the…

Cosmology and Nongalactic Astrophysics · Physics 2010-05-12 Ernest M. Henley , Mikkel B. Johnson , Leonard S. Kisslinger

We study angular momentum of the electron stored in its electric and magnetic fields. We use for this purpose quantum electrodynamics in the covariant gauge. We show that a finite one-loop result for such angular momentum can be obtained…

High Energy Physics - Phenomenology · Physics 2019-11-21 Bogdan Damski

The Schr\"odinger equation is solved for the wave function of an electron moving in a superposition of external constant and uniform electric and magnetic fields at an arbitrary angle between the field directions. The changing of the…

Quantum Physics · Physics 2017-02-10 S. O. Lebedynskyi , V. I. Miroshnichenko , R. I. Kholodov , V. A. Baturin

We consider a cylindrical metallic magnet that is set into rotation about a horizontal axis by a falling mass. In such a system the magnetic field will cause a radial current which is non-solenoidal. This leads to charge accumulation and a…

Classical Physics · Physics 2011-08-08 H. S. Mani , Praveen Pathak , Vijay A. Singh

We consider in a quantum field theory framework the effects of a classical magnetic field on the spin and orbital angular momentum (OAM) of a free electron. We derive formulae for the changes in the spin and OAM due to the introduction of a…

Quantum Physics · Physics 2016-01-20 P. Kurian , C. Verzegnassi

A constant homogeneous magnetic field is applied to a composite system made of two scalar particles with opposite charges. Motion is described by a pair of coupled Klein-Gordon equations that are written in closed form with help of a…

High Energy Physics - Theory · Physics 2011-08-17 Philippe Droz-Vincent

The magnetic moment of the proton is calculated using a geometric unified theory. The geometry determines a generalized Pauli equation showing anomalous terms due to the triplet proton structure. The theoretical result gives a bare…

General Physics · Physics 2007-05-23 Gustavo R. Gonzalez-Martin , Ignacio J. Taboada , Javier G. Gonzalez

Based on the ideal gas model, the dielectric polarization of mantle is achieved, the physical-mathematical model is constructed and the estimate calculation of a dipole of Earth's magnetic field with the considering of rotation, parameters…

General Physics · Physics 2011-10-04 Oleg. V. Styazhkin

Finite energy QCD sum rules involving nucleon current correlators are used to determine several QCD and hadronic parameters in the presence of an external, uniform, large magnetic field. The continuum hadronic threshold $s_0$, nucleon mass…

High Energy Physics - Phenomenology · Physics 2020-11-18 C. A. Dominguez , Luis A. Hernández , Marcelo Loewe , Cristian Villavicencio , R. Zamora

The Kelvin-Helmholtz instability in an ionized plasma is considered with a focus on the generation of magnetic field via the Biermann battery mechanisms. The problem is studied through direct numerical simulations of two counter-directed…

Plasma Physics · Physics 2014-08-11 Mikhail Modestov , Vitaly Bychkov , Gert Brodin , Mattias Marklund , Axel Brandenburg