Nonequilibrium gap instability and phase transition under intense tunnel injection in superconducting lead films

Energy gap suppression and instability i

Energy gap suppression and instability in superconducting tin films under strong quasiparticle injection

✍ T. V. Rajeevakumar; Jhy-Jiun Chang; J. T. Chen 📂 Article 📅 1979 🏛 Springer US 🌐 English ⚖ 326 KB

## Double tunnel junctions have been used to investigate the properties of superconducting Sn films under quasiparticle injection. At high injection level, the gap is discontinuously suppressed to zero from a finite value. This instability for ambient Ta> T• the k temperature of liquid helium, res