Visitors Now:
Total Visits:
Total Stories:
Profile image
By HyperGeometrical Universe
Contributor profile | More stories
Story Views

Now:
Last Hour:
Last 24 Hours:
Total:

SuperSolidity Doubts

Tuesday, May 22, 2012 2:20
% of readers think this story is Fact. Add your two cents.

(Before It's News)

B4INREMOTE-aHR0cDovLzQuYnAuYmxvZ3Nwb3QuY29tLy00R0ZVZnNEQWJ6dy9TOTJxR3NHNG5SSS9BQUFBQUFBQUJ1Zy9TYWx4SmlHY0RQdy9zMzIwL0RyLitJbGx1bWluYXRpK0QwLmpwZw==
SuperSolidity Doubts

Recent work on testing SuperSolidity on Solid Helium 4 has focused on the supposedly lack of intensive property (temperature) dependence of the Helium 4 SuperSolidity.

Well, this is exactly what I would expect.  The supersolidity should comes as a function of the temperature, which makes the wavefunction be more extended.  It should also be a function of the geometry, that is, the Supersolid Helium 4 only happens around the axis of rotation.  The extent (radius of SuperSolidity) is defined by the temperature.

This is not supposed to be a phenomena that is only dependent upon temperature.

The rotation is what makes a Solid a SuperSolid. A solid object rotating has a mirror reflection symmetry with respect to tangential velocities (antisymmetric with respect to R).  This means that as the wavefunction of individual Helium 4 atoms spreads, they will overlap with positions radially opposed. The expected momentum is zero for such Bose Condensate, so its contribution to the moment of inertia, disappears.

Of course, if you can only see Three Spatial Dimensions, you will have a very hard time understanding this.

Cheers,

MP

Read more at HyperGeometrical Universe



Source:

Report abuse

Comments

Your Comments
Question   Razz  Sad   Evil  Exclaim  Smile  Redface  Biggrin  Surprised  Eek   Confused   Cool  LOL   Mad   Twisted  Rolleyes   Wink  Idea  Arrow  Neutral  Cry   Mr. Green

Top Stories
Recent Stories

Register

Newsletter

Email this story
Email this story

If you really want to ban this commenter, please write down the reason:

If you really want to disable all recommended stories, click on OK button. After that, you will be redirect to your options page.