Resonant Phase Escape from the First Resistive State of Bi2 Sr2 CaCu2 Oy Intrinsic Josephson Junctions under Strong Microwave Irradiation

Yusaku Takahashi, Daiki Kakehi, Shuho Takekoshi, Kazuki Ishikawa, Shinya Ayukawa, Haruhisa Kitano

Research output: Contribution to journalArticle

6 Citations (Scopus)

Abstract

We report a study of the phase escape in Bi2 Sr2 CaCu2 Oy intrinsic Josephson junctions under the strong microwave irradiation, focusing on the switch from the first resistive state (2nd SW). The resonant double-peak structure is clearly observed in the switching current distributions below 10 K and is successfully explained by a quantum-mechanical model on the quantum phase escape under the strong microwave field. These results provide the first evidence for the formation of the energy level quantization for the 2nd SW, supporting that the macroscopic quantum tunneling for the 2nd SW survives up to ∼10 K.

Original languageEnglish
Article number073702
JournalJournal of the Physical Society of Japan
Volume85
Issue number7
DOIs
Publication statusPublished - Jul 15 2016
Externally publishedYes

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Josephson junctions
escape
microwaves
irradiation
current distribution
switches
energy levels

ASJC Scopus subject areas

  • Physics and Astronomy(all)

Cite this

Resonant Phase Escape from the First Resistive State of Bi2 Sr2 CaCu2 Oy Intrinsic Josephson Junctions under Strong Microwave Irradiation. / Takahashi, Yusaku; Kakehi, Daiki; Takekoshi, Shuho; Ishikawa, Kazuki; Ayukawa, Shinya; Kitano, Haruhisa.

In: Journal of the Physical Society of Japan, Vol. 85, No. 7, 073702, 15.07.2016.

Research output: Contribution to journalArticle

Takahashi, Yusaku ; Kakehi, Daiki ; Takekoshi, Shuho ; Ishikawa, Kazuki ; Ayukawa, Shinya ; Kitano, Haruhisa. / Resonant Phase Escape from the First Resistive State of Bi2 Sr2 CaCu2 Oy Intrinsic Josephson Junctions under Strong Microwave Irradiation. In: Journal of the Physical Society of Japan. 2016 ; Vol. 85, No. 7.
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