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Jumping into the quantum whirlpool
Posted on Tuesday, September 18, 2007 @ 21:00:37 UTC by vlad

Science A University of Queensland quantum physicist is applying a new theory to an old problem.

Dr Matthew Davis, from UQ's School of Physical Sciences, is working on a new state of matter – a Bose-Einstein condensate - to further understand the very nature of the universe.


“The beauty of a Bose-Einstein condensate is that it is similar to a laser but made of matter,” Dr Davis said.

“It is a collection of atoms that are perfectly coherent and have the potential to be used in ultra-sensitive measurement devices.”

Dr Davis said BECs were first predicted in the 1920s by Einstein, but not realised in the laboratory until 1995.

His own particular interest is looking at how the BECs form and especially how quantum whirlpools, called vortices, are formed.

“The theory I have developed explains the experiments quite well, so now we can use it to investigate possible other experiments computationally, such as looking at creating persistent currents in Bose-Einstein condensates that are analogous to supercurrents in superconductors that never decay,” he said.

“This will hopefully answer broader questions about the nature of certain types of phase transitions, and will feed into experiments being performed by my collaborators at the University of Arizona,” he said.

Source: UQ
Via: http://www.physorg.com/news109348711.html

 
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"Jumping into the quantum whirlpool" | Login/Create an Account | 2 comments | Search Discussion
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Re: Jumping into the quantum whirlpool (Score: 1)
by RBM on Wednesday, September 19, 2007 @ 17:37:19 UTC
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First Vlad, thank you for the work you do here.

To be honest, I got a chuckle from seeing this post. I'm pretty much of a daily reader of theoildrum.com since the start of the year, so this isn't news to me. LOL ! It does seem that more media sources are picking up the story in the last couple months, though.



 

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