Re: A question concerning Einsteins elevator.

Andrew Harland wrote:

Hi everybody,

"Atomic clocks" were subjected to many
experiments in order to establish their
behaviour. They were transported at various
velocities and accelerations. They were placed
at various heights above the earth's surface.
But was there ever an experiment conducted
during which an "atomic clock" was "freely
falling" like in Einstein's elevator?

Einstein's elevator Gedankenexperiment,
Jahrbuch der Radioaktivität u. Electronik 4 411 (1907)
"The Collected Papers of Albert Einstein," Vol. 2, English
translation, A. Beck, trans. (Princeton University Press: Princeton,
NJ, 1989) p. 252.

GPS. Four cesium or three rubidium atomic clocks/satellite and 31
satellites as of September 2007, all in vacuum free fall. Is that
enough? GPS cesium and rubidium atomic clock frequencies can be
corrected to 2x10^(-13).

General relativity predicts GPS orbital clocks tick faster (out of the
gravitational well) by ~45.9 microseconds/sidereal day. Special
relativity predicts they tick slower by ~7.2 microseconds/day. The
combined divergence is 4.465 parts in 10^10. Satellite frequency
ground standard has a rate offset to 10.22999999543 MHz instead of
10.23 MHz for obital correction.

The elevator Gedankenexperiment assumes space is homogeneous and
isotropic. A chiral vacuum background would leave all prior
observations unscathed, however... Single crystal quarz
hydrothermally grown in crystallographic space groups P3(1)21
(right-handed screw axes) and P3(2)21 (leftt-handed screw axes) would
violate the Equivalence Principle. P3(1)21 would be the big outlier.

If the vacuum is a left foot the atomic mass distributions of the two
enantiomorphic space groups would be opposite shoes. They would
statically insert with different energies. They would locally vacuum
free fall along *divergent* minimum action trajectories.

Put on two left shoes and walk with your eyes closed. Do you walk a
straight line?

--
Uncle Al
http://www.mazepath.com/uncleal/
(Toxic URL! Unsafe for children and most mammals)
http://www.mazepath.com/uncleal/lajos.htm#a2

.

Relevant Pages

  • Re: Turning on flat skis?
    ... I am moving at 88 feet per second, and the GPS doesn't ... UTC second and then adjusting the time estimate to minimize the multi- ... I doubt very much that you have an atomic clock on your yacht, ...
    (rec.skiing.alpine)
  • Re: Who is who?
    ... Relativity correction for its atomic clock. ... Pardon me, but _GPS_ requires the full GR correction, since it is ... don't believe you get raw counts from its atomic clock. ...
    (sci.physics.relativity)
  • ntpd and security risk
    ... your own GPS or atomic clock) running ntpd on your machine can be both ... cronjob) to set their system time via NTP ...
    (comp.os.linux.security)
  • Re: Daylight Losing Time: GPS Synchronizing VL?
    ... My VolksLogger's clock seems to run 15 seconds ahead of other GPS ... units...and the US Atomic clock (which appears to be synchronized with ... Has anybody else seen this type of "synchronization" error? ... Satellites transmit the leap-second correction in ephemeris data which is ...
    (rec.aviation.soaring)
  • Re: GPS ques
    ... >> GPS is massively corrected. ... They would be useless in geosynchronous orbit ... Since the GPS signal is based on an atomic clock, ... the NIST time sync signal, only much more responsive and dynamic. ...
    (sci.physics)