sci.physics.electromag

On Mar 6, 6:52=A0pm, Knud Soerensen <4tuu4k...@sneakemail.com> wrote:
> Hi
>
> This is a interesting question I have been speculating about.
>
> I hadn't read Assis and Hernandes,
> so the source of my speculation is from page 30 inhttp://www.scribd.com/do=
c/4445/quaternionic-electrodynamics
>
> The vector part of eq. (4.4) reads
>
> p[1]rp[2] + j[1]x(rxj[2]) - j[1](rj[2]) + p[1](rxj[2]) + (j[1]xr)p[2]
>
> Here the first 2 parts is normal Grassmann force the 3rd part explain
> the longitudinal force.
>
> The 2 last parts is the antisymmetric parts which disappear when the
> quaternionic equation is written like in (3.8).
>
> But this a those parts which is important in this discussion,
> the first part =A0p[1](rxj[2]) describes a force on a free charge by the
> magnetic field, such that it would move along the magnetic field lines.
> The second part (j[1]xr)p[2] says that there is force on a current
> moving in a electric field.
>
> a example is that if a current moves in the direction of a electric
> field and the current have a small perpendicular component then the
> current will start spinning around a axis parallel to the electric field
> which way it spins depend of the initial direction of the small
> perpendicular component.
>
> This could maybe explain the origin of the electrons spin.
>
>
>
> xray4abc wrote:
> > I think now that it does.
> > Simple experiments, performed by Oleg D. Jefimenko and others
> > have shown electric field-lines around the wiring of some electric
> > circuits.
> > (see references in 'The electric force of a current" by A.K.T. Assis
> > and
> > J.A.Hernandes ).
> > These force-field lines are different from the ones that would exist
> > if
> > no current is flowing through the circuit.
> > Interestingly, O.d. Jefimenko does not consider the current as a
> > source of electric field.
> > He mentions 3 sources of an electric field : 1. charge density
> > =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =
=A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A02.the
> > time derivative of charge density
> > =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =
=A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A03.the
> > time derivative of current density J
> > My question is meant for those who are familiar with the mentioned
> > authors'
> > approach to the theory of electromagnetism.
> > Regards, LL- Hide quoted text -
>
> - Show quoted text -

The site you are referring to is interesting . I am interested
especially
in the experiments described there.
I need time to study them so I will not comment right now
on your posting.
Best regards, LL