Non-Majorana origin of anomalous current-phase relation and Josephson diode effect in Bi 2 Se 3 /NbSe 2 Josephson junctions
Andrei Kudriashov; Xiong Zhou; Razmik A. Hovhannisyan; А. С. Фролов; L. Elesin; Yi Bo Wang; E. V. Zharkova; Takashi Taniguchi · 2025 · Science Advances
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Abstract
Josephson junctions (JJs) are key to superconducting quantum technologies and the search for self-conjugate quasiparticles potentially useful for fault-tolerant quantum computing. In topological insulator (TI)–based JJs, measuring the current-phase relation (CPR) can reveal unconventional effects such as Majorana bound states (MBS) and nonreciprocal transport. However, reconstructing CPR as a function of magnetic field has not been attempted. Here, we present a platform for field-dependent CPR measurements in planar JJs made of NbSe 2 and few-layer Bi 2 Se 3 . When a flux quantum Φ 0 thr
Abstract by Andrei Kudriashov; Xiong Zhou; Razmik A. Hovhannisyan; А. С. Фролов; L. Elesin; Yi Bo Wang; E. V. Zharkova; Takashi Taniguchi, Science Advances (2025) — licensed CC BY 4.0.
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Metadata source: OpenAlex · DOI 10.1126/sciadv.adw6925