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Issue 7, 2024
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Accepted articles
Reviews of topical problems


Ising superconductivity


Kirensky Institute of Physics, Federal Research Center Krasnoyarsk Science Center of the Siberian Branch of the Russian Academy of Sciences, Academgorodok 50, str. 38, Krasnoyarsk, 660036, Russian Federation

Experimental and theoretical studies of Ising superconductivity are considered. This new field of superconductivity starts with unusual properties of layered molybdenum disulfide (MoS2) with unusually high upper critical magnetic field Bc2, 6 times exceeding the paramagnetic Pauli limit. This results from the crystal lattice properties of the two-dimensional monolayers, induced spin–orbital Ising and Rashba interactions. Specific crystal structure results in a possible coexistence of a singlet and triplet pairing, as well as appearance of the topological phases. Some variants of the Majorana fermion formations at the end of a long wire at the Ising superconductor surface are discussed.

Keywords: layered structures with triangular layers, Ising spin-orbit interaction, Rashba spin-orbit interaction, singlet and triplet Cooper pairs, topological state
PACS: 74.78.−w
DOI: 10.3367/UFNe.2024.06.039696
Citation: Ovchinnikov S G "Ising superconductivity" Phys. Usp., accepted

Received: 15th, May 2024, revised: 20th, June 2024, 22nd, June 2024

Оригинал: Овчинников С Г «Изинговская сверхпроводимость» УФН, принята к публикации; DOI: 10.3367/UFNr.2024.06.039696

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