A team of researchers from RIKEN has developed a device called a Josephson junction, which can efficiently separate and recombine pairs of electrons may offer a way to examine a unique form of superconductivity. Earlier, most studies of Cooper-pair splitting have been carried out using zero-dimensional ‘quantum dots’ united by superconductors. This superconducting state would include exotic particles called Majorana fermions that could prove valuable in developing quantum computers. The next goal of the researchers is to seek the fingerprints of the Majorana fermions in the superconducting junctions of a double nanowire.
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