Bose-Einstein Condensates. What is a matter wave ?

Adam
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Bose-Einstein Condensates. What is a "matter wave"?

Greetings.

I was reading a rather non-descriptive page about Bose-Einstein Condensates. I've never really read much about them before, but now I find myself interested. This page mentioned that BECs form "matter waves" about a millimetre across.

- What is a "matter wave"?
- How exactly do you decide that a chunk of matter is a wave? In which ways does this matter "behave as a wave"?
 
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Nice article, but it didn't really explain it all to my satisfaction.

However, I believe I just had one of those moments of insight and comprehended quantum fluctuation.
 

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