Bose-einsteinCondensate

Latest

  • NASA/JPL-Caltech

    NASA will create coldest place in the universe to study quantum physics

    by 
    Jon Fingas
    Jon Fingas
    05.21.2018

    It's hard to study quantum behavior on Earth. You can amplify the effects of quantum mechanics by zapping groups of specific atoms (Bose-Einstein condensates) with lasers that drop their temperature to near absolute zero, but that only works for fractions of a second before gravity invariably takes over. NASA's solution? Create the coldest known place in the universe. The agency just launched the Cold Atom Lab, a box that takes advantage of microgravity aboard the International Space Station to keep condensates in that ideal state for much longer.

  • Atomic "transistor" proposed using quantum cloud material

    by 
    Paul Miller
    Paul Miller
    01.31.2007

    Intel might be oh-so-smug about its fancy new insulators and 45nm process, but doesn't have nothing on these upcoming atomic transistor dealios -- other than that whole "shipping" thing, of course. Scientists working at the Worcester Polytechnic Institute in Massachusetts and compadres at the University of Colorado Boulder have proposed implementing a "Bose-Einstein condensate" to pull this off -- a super-cold gas cloud of atoms all in the same quantum state -- which is manipulated with three adjacent chambers that are created by trapping atoms with magnets or laz0rs. By swapping atoms between the two side chambers, and controlling that action with the center chamber, a behavior is created similar to that of an electronic field-effect transistor. Which is apparently a good thing. So yeah, the tech definitely flies over our heads, but if this works it sounds like it's a pretty big breakthrough in building atomic "circuits" some day by connecting basic atom elements and should hopefully keep Moore's law alive and well a few decades down the road.[Thanks, Jeremy]