DR_henegar Messages 7 Reaction score 0 Thread starter Sep 16, 2010 #1 I need help, and not just from Wikipedia. I need to know what is know about the State Bose-Einstein State...the state more solid than..solid...per se.
I need help, and not just from Wikipedia. I need to know what is know about the State Bose-Einstein State...the state more solid than..solid...per se.
alxm Science Advisor Messages 1,848 Reaction score 9 Sep 16, 2010 #2 "More solid than solid, in itself"? What does that mean? Superfluid helium is a partial BEC, and not particularly 'solid'.
"More solid than solid, in itself"? What does that mean? Superfluid helium is a partial BEC, and not particularly 'solid'.
Gokul43201 Staff Emeritus Science Advisor Gold Member Messages 7,213 Reaction score 25 Sep 16, 2010 #3 And in BECs involving alkali metal atoms (among the most popular kind of BECs), the density of the condensate is actually about a million times lower than that of air at STP.
And in BECs involving alkali metal atoms (among the most popular kind of BECs), the density of the condensate is actually about a million times lower than that of air at STP.
Dr Lots-o'watts Messages 645 Reaction score 0 Sep 16, 2010 #4 Here's an introduction to the subject: http://www.nature.com/news/1998/040112/full/news040112-7.html And here's a somewhat recent starting point for litterature: http://www.optical-lattice.com/supersolid_optical_lattice.pdf Briefly, it looks like a solid crystal where lattice vacancies flow like a superfluid (coherently).
Here's an introduction to the subject: http://www.nature.com/news/1998/040112/full/news040112-7.html And here's a somewhat recent starting point for litterature: http://www.optical-lattice.com/supersolid_optical_lattice.pdf Briefly, it looks like a solid crystal where lattice vacancies flow like a superfluid (coherently).
Gokul43201 Staff Emeritus Science Advisor Gold Member Messages 7,213 Reaction score 25 Sep 17, 2010 #5 Note that the above references are for supersolids. To understand them, one must first have a reasonable understanding of BECs.
Note that the above references are for supersolids. To understand them, one must first have a reasonable understanding of BECs.