[Th-A2-H] Coherence and Collective Excitations

11:30 AM - 11:45 AM JST(2:30 AM - 2:45 AM UTC)

[Th-A2-H-02] Re-entrant Superconductivity at Epitaxial Oxide Interface

〇Denis Maryenko¹, Minoru Kawamura¹, Igor V. Maznichenko², Sergey Ostanin², Ding Zhang³, Markus Kriener¹, Vitalii K. Dugaev⁴, Evgeny Ya. Sherman⁵, Arthur Ernst⁶, Masashi Kawasaki¹ (1. RIKEN CEMS (Japan), 2. Martin Luther University Halle-Wittenberg (Germany), 3. Tsinghua University (China), 4. Rzeszów University of Technology (Poland), 5. University of Basque Country (Spain), 6. Johannes Kepler University (Austria))

Re-entrant superconductivity is an exotic phenomenon and is especially rare in two-dimensional systems. We observe it at the epitaxial LaTiO₃/KTaO₃ (110) interface, a two-dimensional oxide superconductor with strong spin–orbit coupling and unusual magnetic-field response.