Macroscopic quantum tunneling and resonant activation of current biased intrinsic Josephson junctions in Bi-2212

Shigeo Sato, Kunihiro Inomata, Mitsunaga Kinjo, Nobuhiro Kitabatake, Koji Nakajima, Huabing Wang, Takeshi Hatano

研究成果: Article査読

2 被引用数 (Scopus)

抄録

The utilization of a high-Tc superconductor for implementing a superconducting qubit is to be expected. Recent researches on the quantum property of Josephson junctions in high-Tc superconductors indicate that the low energy quasiparticle excitation is weak enough to observe the macroscopic quantum tunneling. Therefore, a detailed study on the quantum property of high-Tc Josephson junctions becomes more important for applications. We show our experimental results of the macroscopic tunneling of current biased intrinsic Josephson junctions in Bi-2212 and its resonant activation in the presence of microwave radiation.

本文言語English
ページ(範囲)599-604
ページ数6
ジャーナルIEICE Transactions on Electronics
E90-C
3
DOI
出版ステータスPublished - 2007 3

ASJC Scopus subject areas

  • 電子材料、光学材料、および磁性材料
  • 電子工学および電気工学

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