Anomalous current-voltage characteristics due to macroscopic resonant tunneling in a small Josephson junction

Noriyuki Hatakenaka, Susumu Kurihara, Hideaki Takayanagi

Research output: Contribution to journalArticle

13 Citations (Scopus)

Abstract

Current-voltage characteristics of a small Josephson junction are studied, taking into account quantized energy levels in the Josephson potential. In the energy regions where the Josephson coupling energy is greater than the charging energy at zero temperature, it is predicted that voltage spikes in a usual zero-voltage state branch will appear due to resonant phase slips by macroscopic quantum tunneling. These spikes are very different from those expected by the Bloch oscillation mechanism based on the band motion of the macroscopic variable.

Original languageEnglish
Pages (from-to)3987-3991
Number of pages5
JournalPhysical Review B
Volume42
Issue number7
DOIs
Publication statusPublished - 1990
Externally publishedYes

Fingerprint

Resonant tunneling
resonant tunneling
Current voltage characteristics
Josephson junctions
spikes
Electric potential
electric potential
Electron energy levels
charging
energy
slip
energy levels
oscillations
Temperature
temperature

ASJC Scopus subject areas

  • Condensed Matter Physics

Cite this

Anomalous current-voltage characteristics due to macroscopic resonant tunneling in a small Josephson junction. / Hatakenaka, Noriyuki; Kurihara, Susumu; Takayanagi, Hideaki.

In: Physical Review B, Vol. 42, No. 7, 1990, p. 3987-3991.

Research output: Contribution to journalArticle

Hatakenaka, Noriyuki ; Kurihara, Susumu ; Takayanagi, Hideaki. / Anomalous current-voltage characteristics due to macroscopic resonant tunneling in a small Josephson junction. In: Physical Review B. 1990 ; Vol. 42, No. 7. pp. 3987-3991.
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