Enhancement of the noise spectral densities near the resistive transition region of YBCO micro-bridge

Anomalously enhanced noise spectral dens

Anomalously enhanced noise spectral densities of YBCO micro-bridge near the resistive transition region

✍ K.H. Han; Sung-Ik Lee; S.H. Lee; Sung-Ho Suck Salk; H.J. Shin 📂 Article 📅 1991 🏛 Elsevier Science 🌐 English ⚖ 228 KB

We have systematically measured the normalized noise power spectral density ( S,(f) = Sv(f)/V z ) of the ¥BCO microbridge and found VZ/~ dependence. Near the zero resistance temperature (T~,,ro), S.(f) increases more than eight orders of magnitude. Moreover, ~ chan'~es from 1 to 2. Furthermore, once