Re: [Phys-l] Classical Adiabatic Invariant

[chuck britton <cvbritton@mac.com>]

More on the 'Giggle Test' of the referenced page 
is the 'Discussion' tab that I've included below.

At 11:51 AM -0700 6/9/11, John Denker wrote:
> I mention this because at
>   http://tabitha.phas.ubc.ca/wiki/index.php/Phase_Space
> we have a detailed calculation using canonical mechanics to "prove" that
> E/É÷ is invariant for a pendulum where the mass is changing because the
> bob is a box of sand with a slow leak.  It also "proves" that you can't
> increase the energy of a swingset (at constant É÷) by slow parametric
> pumping.
>
> And that page is just one example among many.  The literature is crawling
with stuff like this ... stuff that doesn't pass the giggle test.



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	?	20:44, 19 June 2006 PHPSysop 
(Talk | contribs) deleted "Talk:Phase Space" ?
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