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Albert Einstein’s insight that it is impossible to distinguish a local experiment in a “freely falling elevator” from one in free space led to the development of the theory of general relativity. The wave nature of matter manifests itself in a striking way in Bose-Einstein condensates, where millions of atoms lose their identity and can be described by a single macroscopic wave function. We combine these two topics and report the preparation and observation of a Bose-Einstein condensate during free fall in a 146-meter-tall evacuated drop tower. During the expansion over 1 second, the atoms form a giant coherent matter wave that is delocalized on a millimeter scale, which represents a promising source for matter-wave interferometry to test the universality of free fall with quantum matter.
Plasma is commonly referred to as the fourth state of matter, while the Bose-Einstein condensate is sometimes referred to as the “fifth state of matter”.
originally posted by: TEOTWAWKIAIFF
The “fifth state of matter” is plasma.
It wouldn't make any sense to refer to plasma as the “fifth state of matter” as it's one of the four natural states of matter. Bose-Einstein condensates are man-made so if that is referred to as a state of matter, it should certainly fall after the four natural states, along with other states of matter which are not natural and not usually numbered.
There are four natural states of matter: Solids, liquids, gases and plasma. The fifth state is the man-made Bose-Einstein condensates.
My only hesitation is that it probably already known and being used by the MIC.
This makes them nearly impossible for scientists to study on Earth, where gravity interferes with the magnetic fields required to hold them in place for observation.
originally posted by: continuousThunder
i thought the fifth state of matter was jelly [or jello for americans]
originally posted by: 0bserver1
What properties could a fifth state of matter be used for .
Me thinking along the lines of that tic tac?
"Applications range from tests of general relativity and searches for dark energy and gravitational waves to spacecraft navigation and prospecting for subsurface minerals on the moon and other planetary bodies," he said.