Evidence for 4e charge of cooper quartets in a biased multi-terminal graphene-based josephson junction

HIGHLIGHTS

• who: Ko-Fan Huang from the Harvard University have published the paper: Evidence for 4e charge of Cooper quartets in a biased multi-terminal graphene-based Josephson junction, in the Journal: NATURE COMMUNICATIONS NATURE COMMUNICATIONS of 22/07/2021
• what: By threading a flux through the device loop the authors aim to modulate the CQ-ABS spectrum. At V bg=25 V (Fig 3a), I qc exhibits a prominent contribution from u03a60=2-periodicity, which, as the authors show below, provides direct evidence for the charge 4e associated with the CQ-ABS. Although a full . . .
  

   

  

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