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Complexity Digest 2001.35 - 13
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27-Aug-2001

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Two-Path Quantum Interference		In A Liquid, Physics Today
 









Excerpt: Interference experiments have unequivocally
shown the quantum wave nature of photons, electrons, neutrons,
atoms, molecules, and even Bose-Einstein condensates. Now, a team
of physicists at the University of California, Berkeley, has
demonstrated quantum interference for superfluid helium-3. (...)
Theory predicts--again similar to SQUIDS--that the total mass
current depends on the superfluid phase winding. To adjust the
quantum phase in the uncharged superfluid 3He, the team varied the
loop's orientation with respect to Earth's rotation vector.
(...)



Two-Path
Quantum Interference In A
Liquid, Physics Update,
Physics Today, 8/01


Contributed by Mason
A. Porter 

 



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