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relativistic hall effect for translation motion sensing

J

Jamie M

Jan 1, 1970
0
Hi,

I was reading about the "relativistic hall effect":

http://phys.org/news/2012-05-hall-effect-relativistic-effects-mobile.html

It shows an asymmetrical relativistic effect that should be able
to be measured and thus determine the absolute direction of motion and
also the velocity:

http://phys.org/news/2012-08-effect-rotating-relevance-everyday-applications.html

That link shows the relativistic hall effect of a flywheel translating
at relativistic speeds while at the same time rotating on its axis
radially to the direction of translation. If the flywheel is
stationary there is no asymmetrical effect from the rotation, but if
the flywheel rotation occurs during relativistic translation then the
flywheel will undergo an asymmetrical Lorentz transformation, ie.
length contraction and mass increase on the side of the flywheel that
has a rotational velocity that increases with the translating motion,
and length stretching and mass decrease on the side of the flywheel
that has a rotational velocity that decreases with the translating
motion. If a clock was put on one of the flywheel spokes, it should
then count slower on the flywheel side that is rotating towards the
direction of the translating motion. So if you have three of these
flywheels like a 3axis gyroscope, you could use them as a 3axis
relativistic translation detection device!

cheers,
Jamie
 
J

Jamie M

Jan 1, 1970
0
Only with respect to the frame against which you are measuring their
motion. If you're moving with the flywheel pivot points, that won't work.

Hi,

Thanks, I figured I had an error in my logic somewhere.

cheers,
Jamie
 
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