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Publication Citation: Quantum Fluctuations and the Single Junction Coulomb Blockade

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Author(s): S Girvin; L Glazman; M Jonson; David R. Penn; Mark D. Stiles;
Title: Quantum Fluctuations and the Single Junction Coulomb Blockade
Published: January 01, 1990
Abstract: We investigate the effect of quantum flucuations on the Coulomb blockade in a single tunnel junction coupled to its environment by a transmission line of arbitrary impedance Z (ω). The quantized oscillating modes of the transmission line are suddenly displaced when an electron tunnels through the junction. For small Z (relative to the quantum of resistance), a weak power-law sero-bias anomaly occurs associted with the infrared-divergent shakeup of low-frequency transmission-line modes. For large Z, the full blockade is recovered. Comparison with recent experiments is made.
Citation: Physical Review Letters
Volume: 64
Issue: 26
Pages: pp. 3183 - 3186
Research Areas: Single Electronics