Task: Text Categorization
Input (English): Work on a Uranium-Germanium compound by Saxena et al. showed evidence for their formulation by spin fluctuation rather than the method originally proposed. Their individual components can be isolated by passing them through Luttinger liquids such as carbon nanotubes, even while those particles remain coupled, and they were recently found to exist in thin sheets of supercooled bismuth, which acts as an insulator. Experimental support for their existence was observed when the critical temperature of mercury changed with varying isotopes. Existing due to phonon exchange, for 10 points, identify these sets of entangled electrons which are central to the BCS theory.
Output (English): Science