TY - JOUR
T1 - Resonant Phase Escape from the First Resistive State of Bi2 Sr2 CaCu2 Oy Intrinsic Josephson Junctions under Strong Microwave Irradiation
AU - Takahashi, Yusaku
AU - Kakehi, Daiki
AU - Takekoshi, Shuho
AU - Ishikawa, Kazuki
AU - Ayukawa, Shin Ya
AU - Kitano, Haruhisa
N1 - Funding Information:
Acknowledgments We thank H. Asai, S. Kawabata, Y. Ota, and T. Koyama for fruitful discussion and valuable comments. This work was partly supported by Grants-in-Aid for Scientific Research from JSPS and MEXT of Japan (Grant Nos. 21560020 and 24560017) and MEXT-Supported Program for the Strategic Research Foundation at Private Universities (2013-2017).
Publisher Copyright:
©2016 The Physical Society of Japan.
PY - 2016/7/15
Y1 - 2016/7/15
N2 - 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.
AB - 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.
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U2 - 10.7566/JPSJ.85.073702
DO - 10.7566/JPSJ.85.073702
M3 - Article
AN - SCOPUS:84978039700
VL - 85
JO - Journal of the Physical Society of Japan
JF - Journal of the Physical Society of Japan
SN - 0031-9015
IS - 7
M1 - 073702
ER -