1. "Thermodynamic and structural quantities at 2D melting", presented at "3rd International Workshop Hangzhou 2006 on Simulational Physics", held at Hangzhou, China, on Nov. 16 -18, 2006.
2. "Computer simulation on Terahertz Emission from Intrinsic Josephson Junctions of High-Tc Superconductor", presented at "International Workshop on Vortex Physics: Phase Diagram, Dynamics and Novel Applications", held at Tsukuba, Japan, on Mar. 29 -30, 2007.
3. "Terahertz Emission from High-Tc Superconductors", presented at "4th International Workshop Hangzhou 2007 on Simulational Physics", held at Hangzhou, China, on Nov. 10 -11, 2007.
4. "p Phase Kink in a Stack of Intrinsic Josephson Junctions and THz Radiation", presented at "The Joint JSPS-ESF International Conference on Nanoscience and Engineering in Superconductivity", held at Tsukuba, Japan, on Mar. 23, 2009.
5. "Phase Dynamics and Electromagnetic Properties of Intrinsic Josephson Junctions in Layered High-Tc Superconductors", presented at "Seventh International Conference on New Theories, Discoveries, and Applications of Superconductors and Related Materials (New3SC7)", held at Beijing, China, on May. 14- May. 16. 2009.
6. "The Kink State and Terahertz Radiation", presented at "The 7th International Symposium on Intrinsic Josephson Effects and Plasma Oscillations in High-Tc Superconductors", held at Hirosaki, Japan, on Apr. 29 - May. 2, 2010.
7. “The in-plane dissipation and phase kink as mechanism of strong terahertz radiation from BSCCO”, presented at “The 7th International Symposium on Intrinsic Josephson Effects and Plasma Oscillations in High-Tc Superconductors”, held at Izmir, Turkey, on Jun. 13-16 , 2012.
8. “Dynamics of skyrmions in metallic chiral magnets” presented at Ames National Laboratory on Sep. 26, 2013.
9. “Fractionalizing the vortex lattice in multiband superconductors in the flux flow region”, presented at "APS March Meeting 2014", held at Denver, USA, on Mar. 3 – Mar. 7, 2014.
10. “Skyrmions in frustrated magnets”, presented at "APS March Meeting 2016", held at Baltimore, USA, on Mar. 14 – Mar. 18, 2016.
11. “Time-reversal symmetry breaking in multi-band superconductors with frustration: the soft Leggett mode and spontaneous magnetization”, presented at " Condensed Matter Physics Seminar Series hosted by the Department of Physics & Astronomy at Northwestern University at Chicago” on Mar. 31, 2016.
12. “Skyrmions in magnets with inversion symmetry”, presented at “MATERIALS SCIENCE DIVISION SEMINAR” at Argonne National Laboratory on Apr. 1st, 2016.
13. “Ground state vortex configuration induced by defects in superconductors and magnets”, presented at “Interference of Magnetism and Superconductivity” at International Institute of Physics, Natal, Brazil on Aug. 25th, 2016.
14. “Possible skyrmion lattice in rare-earth magnets”, presented at Shull-Wollan center, Oak Ridge National Laboratory on Oct. 28, 2016.
15. “Edge instability in a chiral stripe domain under an electric current and skyrmion generation”, presented at The 10th International Conference on Computational Physics (ICCP10), Jan. 16-20, 2017
16. “Face centered cubic and hexagonal skyrmion pancake lattice in inversion symmetric magnets”, presented at University of California San Diego Physical Seminar on April. 26, 2017.
17. “Skyrmion spin texture in inversion symmetric magnets”, presented at Open Quantum Systems, International Center for Theoretical Sciences, Bengaluru, India on Jul. 20, 2017.
18. “Skyrmion dynamics in multiferroics in the presence of a temperature gradient”, presented at The International Meeting on Ferroelectricity (IMF) 2017, San Antonio, Texas on Sep. 4 - 8, 2017.
1. "Phase Dynamics and Electromagnetic Properties of Intrinsic Josephson Junctions", presented at "The 16th Domestic Workshop on Vortex Physics", held at Tokyo Institute of Technology, Japan, on Dec. 8 -10, 2008.
2. "Radiation of terahertz electromagnetic waves from high-Tc superconductors", presented at "NIMS Junior Researcher Seminar", held at Tsukuba, Japan, on Dec. 19, 2008.
3. "Generation of Terahertz Electromagnetic waves by High-Tc Superconductors", presented at "the 6th NIMS/MANA-Nanoscience@Cambridge-UCLA/CNSA Nanotechnology Students' Summer School", held at Los Angeles, California, USA, on Jul. 26-Aug. 1, 2009.
4. "Detection and Amplification of THz Electromagnetic Waves Based on Intrinsic Josephson Junctions", presented at "The 17th Domestic Workshop on Vortex Physics", held at Osaka Prefecture University, Japan, on Dec. 1 - 3, 2009.
5. "Phase Dynamics in Intrinsic Josephson Junctions of Layered High-Tc Superconductors", presented at "NIMS Junior Researcher Seminar", held at Tsukuba, Japan, on Dec. 4, 2009.
6. "Vortex states and the phase diagram of a multiple-component Ginzburg-Landau theory with competing repulsive and attractive vortex interactions", presented at "4th AEARU Advanced Materials Science Workshop on Artificial and Self-Organized Nanostructure Sciences and Nano-Technologies", held at University of Tsukuba, Japan, on Aug. 30 - Sep. 3, 2010.
7. "Numerical study of vortex interactions and phase diagram in two-component superconductor", presented at "The 18th Domestic Workshop on Vortex Physics", held at Japan Atomic Energy Agency, Tokyo, Japan, on Dec. 1 - 3, 2010.
8. "Vortex Dynamics in Ferromagnetic Superconductors: Excitations of Domain Walls and Enhanced Viscosity", presented at "APS March Meeting 2012", held at Boston, USA, on Feb. 27 – Mar. 2, 2012.
9. “Polaronic pinning of vortex in magnetic superconductors and magnetic-superconducting multilayers”, presented at "APS March Meeting 2013", held at Baltimore, USA, on Mar. 18 – Mar. 22, 2013.
10. “Dynamics of Emergent Spin Textures in Chiral Magnets”, presented at "Emergent Paradigms in Nonlinear Complexity: From PT-Symmetry to Nonlinear Dirac Systems", held at Santa Fe, USA, on Jun. 8 – Jun. 10, 2015.
11. “Meron Spin Texture in Chiral Magnets with an Easy-Plane Anisotropy”, presented at "2015 MRS Fall Meeting & Exhibits", held at Boston, Massachusetts, on Nov. 29 – Dec. 4, 2015.
12. “Generation of skyrmions by chopping magnetic chiral stripe domains with an electric current”, presented at "61st Annual Conference on Magnetism and Magnetic Materials", held at New Orleans, Louisiana, on Oct. 31 – Nov. 4, 2016.
13. “Impurity-induced magnetic droplet in unconventional superconductors near magnetic instability: Application to Nd doped CeCoIn5”, presented at "APS March Meeting 2018", held at Los Angeles, Ca, on Mar. 5 – Mar. 9, 2018.
1. "Computer Simulation on Terahertz Emission from High-Tc Superconductors using Josephson flux flow", presented at "2nd International Autumn Seminar on Nanoscience and Engineering in Superconductivity for Young Scientist", held at Nasu, Tochigi preecture, Japan, on Nov. 25 - Dec. 2, 2007.
2. "Kink State in Inductively Coupled Intrinsic Josephson Junctions and The Terahertz Radiation", presented at "The 6th International Symposium on Intrinsic Josephson Effect and Plasma Oscillations in High-Tc Superconductors", held at Pohang, Korea, on July 17-19, 2008.
3. "A New Dynamics State in a Stack of Intrinsic Josephson Junctions and Terahertz Emission", presented at "3rd International Autumn Seminar on Nanoscience and Engineering in Superconductivity for Young Scientists", held at Tokyo New Hankyu Hotel Tsukiji, 32nd floor, on November 24-30, 2008.
4. "Radiation of Terahertz Electromagnetic Wave from High-Tc Cuprate Superconductors", presented at "MANA International Symposium 2009", held at Epochal Tsukuba, Japan, on Feb. 25-27, 2009.
5. "p Phase Kink State in a Stack of Intrinsic Josephson Junctions and Terahertz Emission", presented at "The 9th International Conference on Materials and Mechanisms of Superconductivity", held at Tokyo, Japan, on September 7 -12, 2009.
6. "Excitation of Josephson Plasma by p Phase Kink and Terahertz Radiation in Layered High-Tc Superconductors", presented at "12th International Workshop on Vortex Matter in Superconductors", held at Yamanaka Naito Seminar House, Lake Yamanaka, Yamanashi, Japan, on September 12-16, 2009.
7. "Emission of Terahertz Electromagnetic Waves from Cuprate Superconductors ", presented at "MANA International Symposium 2010", held at Epochal Tsukuba, Japan, on Mar. 3-5, 2010.
8. “Vortex dynamics in ferromagnetic superconductors", presented at "2012 Materials and Mechanisms of Superconductivity Conference", held at Washington D.C., USA, on Jul. 29 –Aug. 3, 2012.
9. “Skyrmion functionality", presented at "Materials for the Future Capability Review", held at Los Alamos National Laboratory, USA, on May. 3 –May. 6, 2015.