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Josephson Radiation from Gapless Andreev Bound States in HgTe-Based Topological Junctions
2017
Physical Review X
Frequency analysis of the rf emission of oscillating Josephson supercurrent is a powerful passive way of probing properties of topological Josephson junctions. In particular, measurements of the Josephson emission enables to detect the expected presence of topological gapless Andreev bound states that give rise to emission at half the Josephson frequency f_J, rather than conventional emission at f_J. Here we report direct measurement of rf emission spectra on Josephson junctions made of
doi:10.1103/physrevx.7.021011
fatcat:4wg3qe6hpvfbzkwi3w4l4w6w3y