Anomalous suppression of the superfluid density in the CuxBi2Se3 superconductor upon progressive Cu intercalation

M. Kriener, Kouji Segawa, Satoshi Sasaki +1

CuxBi2Se3 was recently found to be likely the first example of a time-reversal-invariant topological superconductor accompanied by helical Majorana fermions on the surface. Here we…