Anomalous Josephson Effect in Topological Insulator-Based Josephson Trijunction
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Xiang Zhang,
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Zhaozheng Lyu,
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Guang Yang,
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Bing Li,
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Yan-Liang Hou,
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Tian Le,
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Xiang Wang,
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Anqi Wang,
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Xiaopei Sun,
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Enna Zhuo,
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Guangtong Liu,
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Jie Shen,
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Fanming Qu,
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Li Lu
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Abstract
We studied anomalous Josephson effect (AJE) in Josephson trijunctions fabricated on Bi_2Se_3, and found that the AJE in T-shaped trijunctions significantly alters the Majorana phase diagram of the trijunctions, when an in-plane magnetic field is applied parallel to two of the three single junctions. Such a phenomenon in topological insulator-based Josephson trijunction provides unambiguous evidence for the existence of AJE in the system, and may provide an additional knob for controlling the Majorana bound states in the Fu–Kane scheme of topological quantum computation.
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Cite this article:
Xiang Zhang, Zhaozheng Lyu, Guang Yang, Bing Li, Yan-Liang Hou, Tian Le, Xiang Wang, Anqi Wang, Xiaopei Sun, Enna Zhuo, Guangtong Liu, Jie Shen, Fanming Qu, Li Lu. Anomalous Josephson Effect in Topological Insulator-Based Josephson Trijunction[J].
Chin. Phys. Lett., 2022, 39(1): 017401.
DOI: 10.1088/0256-307X/39/1/017401
Xiang Zhang, Zhaozheng Lyu, Guang Yang, Bing Li, Yan-Liang Hou, Tian Le, Xiang Wang, Anqi Wang, Xiaopei Sun, Enna Zhuo, Guangtong Liu, Jie Shen, Fanming Qu, Li Lu. Anomalous Josephson Effect in Topological Insulator-Based Josephson Trijunction[J]. Chin. Phys. Lett., 2022, 39(1): 017401. DOI: 10.1088/0256-307X/39/1/017401
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Xiang Zhang, Zhaozheng Lyu, Guang Yang, Bing Li, Yan-Liang Hou, Tian Le, Xiang Wang, Anqi Wang, Xiaopei Sun, Enna Zhuo, Guangtong Liu, Jie Shen, Fanming Qu, Li Lu. Anomalous Josephson Effect in Topological Insulator-Based Josephson Trijunction[J]. Chin. Phys. Lett., 2022, 39(1): 017401. DOI: 10.1088/0256-307X/39/1/017401
Xiang Zhang, Zhaozheng Lyu, Guang Yang, Bing Li, Yan-Liang Hou, Tian Le, Xiang Wang, Anqi Wang, Xiaopei Sun, Enna Zhuo, Guangtong Liu, Jie Shen, Fanming Qu, Li Lu. Anomalous Josephson Effect in Topological Insulator-Based Josephson Trijunction[J]. Chin. Phys. Lett., 2022, 39(1): 017401. DOI: 10.1088/0256-307X/39/1/017401
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