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1. Simulation Study of Noise Effect on Shapiro Steps in High-T c Josephson Junctions Using RCLSJ Model

Author

Mohammed Shahabuddin, Jamal Akhtar Khan, and Abdulaziz S. Almazyad

Subjects
Pi Josephson junction, Physics, Josephson effect, Amplitude, Condensed matter physics, Condensed Matter::Superconductivity, Microwave power, Microwave irradiation, White noise, Condensed Matter Physics, Noise (electronics), Microwave, Electronic, Optical and Magnetic Materials
Abstract

The current voltage characteristics of Josephson junctions at finite temperatures under microwave irradiation are simulated in the resistively, capacitively, inductively shunted junction (RCLSJ) model including white noise. The simulated results as function of microwave power clearly show the appearance of Shapiro steps. It is shown that higher steps are suppressed for low microwave amplitudes. The rounding of the Shapiro steps observed experimentally has been reproduced by taking noise into consideration in RCLSJ model.

Published
2010

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