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Andreev and Majorana Weyl crossings in multi-terminal Josephson junctions

日程 : 2019年7月9日(火) 11:00 - 12:00 場所 : 物性研究所本館6階 第5セミナー室 (A615) 講師 : Manuel Houzet 氏 所属 : INAC/PHELIQS, CEA and Grenoble Alpes University 世話人 : 加藤 岳生
e-mail: kato@issp.u-tokyo.ac.jp

We analyze the Andreev spectrum in a four-terminal Josephson junction between conventional and topological superconductors. We find that a topologically protected crossing in the space of three superconducting phase differences can occur between the two Andreev bound states with lower energy. We discuss the possible detection of this crossing through the nonlocal conductance quantization between two voltage-biased terminals.


(公開日: 2019年07月05日)