Yan S. Zha/查言/査言

Yan S. Zha/查言/査言

he/him/his

Ph.D. Student at Hokkaido University

Talks & Presentations

Invited Oral Presentations

ICSM/ICQMT 2026

April 19, 2026

Invited oral presentation (Y.S.Z. and Satoru Hayami, 'Formation Mechanisms of Square Skyrmion Lattices in Centrosymmetric Multi-Orbital Electron Systems'), Liberty Lykia Hotel, Ölüdeniz-Fethiye, Türkiye.

Gave an oral presentation titled “Formation Mechanisms of Square Skyrmion Lattices in Multi-Orbital Electron Systems” (Abstract ID No: 30383, assigned Session: “Nonuniform Magnetic Textures: Vortices, Skyrmions and Hopfions”) at the “ICSM/ICQMT 2026”url. @Liberty Lykia Hotel, Ölüdeniz-Fethiye, Türkiye. (UTC+03:00)

Oral Presentations

The Physical Society of Japan 2025 Annual Meeting

September 16, 2025

Oral presentation (Y.Z. and Satoru Hayami, 'Effects of Crystal Field and Momentum-Based Frustrated Interaction on Multiorbital Square Skyrmion Lattice'), 19aSK314-7, 19aSK314, Hiroshima University, Higashihiroshima, Hiroshima, Japan.

Gave an oral presentation titled “Effects of Crystal Field and Momentum-Based Frustrated Interaction on Multiorbital Square Skyrmion Lattice” (19aSK314-7) at the “The Physical Society of Japan 2025 Annual Meeting”url. @Hiroshima University, Higashihiroshima, Hiroshima, Japan. (UTC+09:00)

The Physical Society of Japan 2025 Spring Meeting Online Virtual Meeting

March 18, 2025

Oral presentation (Y.Z. and Satoru Hayami, 'Mean-field analysis of a square skyrmion lattice in multi-orbital $f$-electron systems'), 18pH2-8, Online, Online.

Gave an oral presentation titled “Mean-field analysis of a square skyrmion lattice in multi-orbital $f$-electron systems” (18pH2-8) at the “The Physical Society of Japan 2025 Spring Meeting Online Virtual Meeting”url. @Online. (UTC+09:00)

Poster Presentations

2nd Japan-Germany Workshop Correlated and Topological Quantum Materials

March 02, 2026

Poster presentation (Guan Cong, Y.S.Z. and Satoru Hayami, 'Mean-field Analysis of Square Skyrmion Lattice in Noncentrosymmetric 4f-Electron Single-Orbital Systems'), Akira Suzuki Hall, Hokkaido University, Sappro, Hokkaido, Japan.

Collaborator Cong Guan (research student) gave an poster presentation titled “Mean-field Analysis of Square Skyrmion Lattice in Noncentrosymmetric 4f-Electron Single-Orbital Systems” at the “2nd Japan-Germany Workshop Correlated and Topological Quantum Materials”url. @Akira Suzuki Hall, Hokkaido University, Japan. (UTC+09:00)

2nd Japan-Germany Workshop Correlated and Topological Quantum Materials

March 02, 2026

Poster presentation (Y.S.Z. and Satoru Hayami, 'Formation Mechanisms of Square Skyrmion Lattices in Centrosymmetric Multi-Orbital Electron Systems'), Akira Suzuki Hall, Hokkaido University, Sappro, Hokkaido, Japan.

Gave an poster presentation titled “Formation Mechanisms of Square Skyrmion Lattices in Centrosymmetric Multi-Orbital Electron Systems” at the “2nd Japan-Germany Workshop Correlated and Topological Quantum Materials”url. @Akira Suzuki Hall, Hokkaido University, Japan. (UTC+09:00)

Annual workshop in FY2025, Grant-in-Aid for Transformative Research Areas (A) Asymmetric Quantum Matters

January 06, 2026

Poster presentation (Y.Z. and Satoru Hayami, 'Effects of crystal field and momentum-based frustrated exchange interactions on multiorbital square skyrmion lattice'), Nagoya Institute of Technology, Nagoya, Aichi, Japan.

Gave an poster presentation titled “Effects of crystal field and momentum-based frustrated exchange interactions on multiorbital square skyrmion lattice” at the “Annual workshop in FY2025, Grant-in-Aid for Transformative Research Areas (A) Asymmetric Quantum Matters”url. @Nagoya Institute of Technology, Nagoya, Aichi, Japan. (UTC+09:00)

Workshop on theory of cross correlations, multipoles, and computational material design

February 16, 2025

Poster presentation (Y.Z. and Satoru Hayami, 'Mean-field analysis of a square skyrmion lattice in multi-orbital $f$-electron systems'), Gotemba Tokinosumika, Gotemba, Shizuoka, Japan.

Gave a poster presentation titled “Mean-field analysis of a square skyrmion lattice in multi-orbital $f$-electron systems” at “Workshop on theory of cross correlations, multipoles, and computational material design”url. @Gotemba Tokinosumika, Gotemba, Shizuoka, Japan. (UTC+09:00)