List of presentations in conferences

Masahiko Hayashi

International Conferences and Workshops

1. The 36th International Symposium on Superconductivity (ISS2023)
   November 28-30, 2023 (Takina, Wellington, New Zealand)
   
   • Masahiko Hayashi, Takekazu Ishida, Hiroaki Shishido, The Dang Vu, Shuichi Kawamata
     "Three-Dimensional Reconstruction of Vector Magnetization Image from Vector Scanning-SQUID Microscope Measurement"

1. International Symposium on Hybrid Quantum Systems 2019 (HQS2019)
   December 1-4, 2019 (Kunibiki Messe, Matsue, Japan)
   
   • Masahiko Hayashi
     “On the conductance formula using singular value decomposition”(Poster, LNP-10)
2. Research Frontier of Advanced Spectroscopies for Correlated Electron Systems,
   June 13-15, 2019, (Institute for Materials Research (IMR), Tohoku University, Sendai, Japan)
   
   • Masahiko Hayashi
     “Gaussian-Fluctuation Corrections to the Phase Diagram of t-J Model”(Poster)

1. The 12th international conference on materials and mechanisms of superconductivity (M2S 2018)
   August 19-24, 2018 (Beijing International Convention Center, Beijin, China)
   
   • Masahiko Hayashi
     “Fluctuation Effects on the Phase Diagram of Cuprate High-T_c Superconductors Based on the t-J Model”

1. The 11th international conference on materials and mechanisms of superconductivity (M2S 2015)
   August 23-28, 2015 (CICG, Geneva, Switzerland)
   
   • Masahiko Hayashi, Kazuhiro Kuboki, Yasunari Tanuma
     “Effects of Fluctuations in the Phase Diagram of high-Tc Cuprate Superconductors”

1. International School and Workshop on Electronic Crystals (ECRYS-2014)
   August 11-23, 2014 (Cargese, France )
   
   • Masahiko Hayashi, Yositake Takane and Hiromichi Ebisawab (invited)
     “Time-dependent Ginzburg-Landau equation for charge density waves and its application to sliding phenomena”

1. International workshop on Pathbreaking Phase Sciences in Superconductivity 2012 (PPSS2012)
   January 13-15, 2012 (Osaka Museum of History, Osaka, Japan)
   
   • Masahiko Hayashi, Hiromichi Ebisawab, Ho Thanh Huy, Takekazu Ishidac (invited)
     “Refinement of scanning SQUID microscope image by a numerical process”
2. APS March Meeting 2012
   February 27-March 2 2012; Boston, Massachusetts
   
   • Masahiko Hayashi, Ho Thanh Huy, Takekazu Ishida
     L21.00013 : “Image processing of scanning SQUID microscope for observing superconducting nanostructures”

1. 26th International Conference on Low Temperature Physics (LT26)
   2011.8.10-17 (Beijing International Convention Center (BICC), Beijin, China)
   
   • M. Hayashi, H. Yoshioka and A. Kanda
     “Supercurrent through Monolayer and Multilayer Graphene” [poster, 15P-B062]
   • M. Hayashi Y. Takane and H. Ebisawa
     “Numerical Study of Collective Transport in Charge Density Wave Conductors” [poster, 15P-B045]

1. The International Conference on Theoretical Physics, “Dubna-Nano2010”
   2010.7.9 (Bogoliubov Laboratory of Theoretical Physics, Dubna, Russia)
   
   • M. Hayashi, H. Yoshioka and A. Kanda
     “Superconducting proximity effect in graphene nanostructures”
2. APS March Meeting 2010
   2010.3.17 (Oregon Conference Center, Portland, Oregon)
   
   • A. Kanda, H. Goto, H. Tomori, S. Tanaka, Y. Ootuka, K. Tsukagoshi, M. Hayashi and H. Yoshioka
     “Temperature dependence of proximity-induced supercurrent in single and multi-layer graphene”
   • M. Hayashi, H. Yoshioka, A. Kanda
     “Superconducting Proximity Effect in Monolayer and Bilayer Graphene: Critical Current and Pair Amplitude ”
3. International Symposium on Physics of New Quantum Phases in Superclean Materials (PSM2010)
   2010.3.10 (Hamagin Hall, Yokohama)
   
   • M. Hayashi and H. Ebisawa
     “Topological Defects and Spectral Flow in the Dynamics of Electronic Condensate: Application to Clean Charge Density Waves ”

1. The 18th International Conference on Electronic Properties of Two-Dimensional Systems (EP2DS)
   2009.7.19-24 (Kobe International Conference Center, Kobe, Japan)
   
   • A. Kanda, H. Goto, Y. Ootuka, K. Tsukagoshi, H. Yoshioka, M. Hayashi
     “Anomalous temperature dependence of critical supercurrent in multilayer graphene coupled to superconductors”(poster, Mo-eP97)
   • M. Hayashi, H. Yoshioka, A. Kanda
     “Superconducting proximity effect through single-layer and multilayer graphene films”(poster, Mo-eP113)
2. The 9th International Conference on Materials and Mechanisms of Superconductivity (M2S-IX)
   2009.9.7-12 (Keio Plaza Hotel, Tokyo, Japan)
   
   • M. Hayashi, H. Yoshioka, A. Kanda
     “Theoretical Study of Superconducting Proximity Effect in Graphite Thin Films”(poster, PS-G-601)
   • M. Hayashi and H. Ebisawa
     “Topological Defect and Quasi-particle Dynamics in Charge Density Waves”(poster, PS-H-678)
3. International Symposium on Advanced Nanodevices and Nanotechnology (ISANN2009)
   2009.11.29-12.4 (Kaanapali, Maui, Hawaii, USA)
   
   • A. Kanda, H. Goto, H. Tomori, S. Tanaka, Y. Ootuka, K. Tsukagoshi, M. Hayashi and H. Yoshioka
     “Superconducting proximity effect in single and multilayer graphene”(poster, P2‐19)
   • M. Hayashi, H. Yoshioka, A. Kanda
     “Theoretical study of superconducting proximity effect in monolayer and bilayer graphene”(poster, P2-21)

1. XXI Congress of the International Union of Crystallography (IUCr2008)
   August 23-31, 2008 (Grand Cube Osaka (Osaka International Convention Center), Osaka, Japan)
   
   • M. Hayashi
     “Superconductivity and charge-density wave in ring- or Moebius-shaped NbSe3 and TaS3 single crystals”(poster, P11.01.07 (C508))
2. 25th International Conference on Low Temperature Physics (LT25)
   August 6-13, 2008 (RAI Convention Center, Amsterdam, Netherlands)
   
   • A. Kanda, S. Hatsumi, R. Furugen, Y. Ootsuka, M. Hayashi
     “Experimental Determination of Vortex Patterns in a Mesoscopic Superconducting Square with Artificial Pinning Center”(poster, PD-Fr242)
   • M. Hayashi, H. Yoshioka, and A. Kanda
     “Theory of Superconducting Proximity Effect in Graphite FIlms”(poster, PB-Tu97)
   • M. Hayashi, H. Ebisawa, M. Kato
     “Numerical Studies on Fluctuations in Superconducting Nanostructures”(poster, PB-Tu132)
3. American Physical Society, March Meeting
   March 10-14, 2008 (New Orleans, Louisiana, USA)
   
   • M. Hayashi, H. Yoshioka, and A. Kanda
     “Superconducting Proximity Effect in Graphite Films”(oral)
   • Takekazu Ishida, Yoshiaki Matsushima, Makoto Shimizu, Masahiko Hayashi, Hiromichi Ebisawa, Masaru Kato, Osamu Sato, Kazuo Sato, Tsutomu Yotsuya
     “Flux jump in superconducting Pb networks at fractional numbers of the matching field”(oral)

1. International Symposium on Advanced Nanodevices and Nanotechnology (ISANN2007)
   December 2-7, 2007 (Waikoloa, Hawaii, USA)
   
   • M. Hayashi, H. Yoshioka, and A. Kanda
     “Superconducting proximity effect through graphene and graphite films” (poster)
2. Supectroscopies of Novel Superconductors (SNS2007)
   August 20-24. 2007 (Sendai, Japan)
   
   • Motonari Suzuki, Masahiko Hayashi, Hiromichi Ebiswa
     “Nonlinear effect of Intrinsic Josephson Junctions”(poster)
     
3. The 4th CREST Nano-Virtual-Labs Joint Workshop on Superconductivity: Critical Current (NVLS2007-CC)
   Dec. 17-18, 2007 (Kitakyushu International Conference Center, Kitakyushu, Japan)
   
   • M. Hayashi and H. Ebisawa
     “Fluctuation and vortex physics in superconducting nanostructures”(oral)
4. The 10th Asia Pacific Physics Conference (APPC10)
   August 21-24, 2007 (POSCO International Center, POSTECH, Pohang, Korea)
   
   • Hiromichi Ebisawa, Hayashi Masahiko, Fujii Masaki, Abe Taiji, Noda Hiroshi, Satoh Kazuo, Yotsuya Tsutomu, Ishida Takakazu
     “An Analysis to Improve Spatial Resolution of Scanning Superconducting Quantum Interference Device (SQUID) Microscope”(poster)
5. Joint ESF and JSPS Conference on Vortex Matter in Nanostructured Superconductors (VORTEX V)
   8 -14 September 2007 (Rhodes, Greece)
   
   • Hiromichi Ebisawa, Masahiko Hayashi, Tohru Kaiwa, Yoshiaki Matsushima, Makoto Shimizu, Kazuo Satoh, Tsutomu Yotsuya, and Takekazu Ishida
     “On Mathematical Methods to Improve Imaging of Vortices using Scanning Superconducting”(poster)

1. The 2nd CREST Nano-Virtual-Labs Joint Workshop on Superconductivity (NVLS2006)
   Dec. 11-13, 2006, (Kyoto Research Park, Kyoto, Japan)
   
   • M. Hayashi, M. Suzuki, J. Onuki, H. Ebisawa
     "Nonlinear dynamics in intrinsic Josephson junctions of high-Tc superconductors" (poster)
2. International Symposium on Superconductivity (ISS2006)
   Nov. 30 - Dec. 1, 2006, (Nagoya, Japan)
   
   • M. Kato, M. Hayashi, H. Ebisawa, T. Koyama, M. Machida, T. Ishida
     "Anisotropic Superconductors in Nano-Structures" (oral)
   • T. Ishida, Y. Matsushima, M. Shimizu, M. Hayashi, H. Ebisawa, O. Sato, M. Kato, K. Satoh, T. Yotsuya
     "Particle-Antiparticle Symmetry between Vortices and Antivortices Accommodated in Finite-Sized Superconducting Networks" (oral)
   • M. Hayashi, H. Ebisawa
     "Nonlinear Dynamics of Intrinsic Josephson Junctions under an Applied Current" (poster)

1. CREST Nano-Virtual-Labs Joint Workshop on Superconductivity (NVLS2005)
   Dec. 20-22, 2005 (Awaji Yumebutai Hall, Hyogo Prefecture, Japan)
   
   • M. Hayashi, H. Ebisawa, M. Fujii, T.Abe, H. Noda, K. Satoh, T. Yotsuya, T. Ishida
     "Possibility of High Resolution Imaging of Superconducting Vortices using Scanning SQUID Micrscope" (oral, invited)
2. 18th International Symposium on Superconductivity (ISS2005)
   Oct. 24-26, 2005 (Tsukuba International Congress Center, Tsukuba, Japan)
   
   • M. Hayashi, H. Ebisawa, M. Fujii, T.Abe, H. Noda, K. Satoh, T. Yotsuya, T. Ishida
     "Refining the Vortex Imagens of Scanning SQUID Microscope" (oral)
3. 4th International Conference on Vortex Matter in Nanostructured Superconductors (VORTEX-VI)
   Sept. 3-9, 2005 (Crete, Greece)
   
   • Mashiko Hayashi, Hiromichi Ebisawa
     "Fluctuations in nanoscopic superconducting networks" (poster)
4. The 8th International Symposium on Foundations of Quantum Mechanics in the Light of New Technology (ISQM-TOKYO'05)
   August 22-25, 2005 (Advanced Research Laboratory, Hitachi, Ltd., Hatoyama, Saitama, Japan)
   
   • M. Hayashi, T. Suzuki, H. Ebisawa, M. Kato, K. Kuboki
     "Superconductivity in Topologically Nontrivial Spaces" (oral)
5. 24th International Conference on Low Temperature Physics (LT24)
   August 10-17, 2005 (The Hilton in the walt Disney Resort, Orland, Florida, USA)
   
   • Mashiko Hayashi, Hiromichi Ebisawa
     "Phase Transition and Fluctuations in Superconducting Nanostructures" (poster)
6. The 1st Inernational Conference on Topological Sciences and Technology "Topology in Ordered Phases" (TOP2005)
   March 7-10, 2005 (Sapporo Grand Hotel, Sapporo, Japan)
   [Hokkaido University, The 21th Century COE Program]
   
   • Mashiko Hayashi, Takeru Suzuki, Hiromichi Ebisawa, Kazuhiro Kuboki
     "Superconducting states on Moebius strip" (oral, invited)
     Proceedings will be published from World Scientific Publishing Co.
7. The International Conference on Nanoelectronics, Nanostructures and Carrier Interactions (NNCI2005)
   31 Jan. -22 Feb., 2005 (NTT Atsugi R&D Center)
   
   • M. Hayashi, H. Ebisawa, M. Kato
     "Phase Transition in Nanoscopic Superconducting Network Systems" (poster)

1. Vortex and Turbulance in Classical and Quantum Fluids
   24 - 25 Oct., 2004, (Clock Tower Centinnial Hall)
   
   • M. Hayashi
     "Vortex Nucleation and Annihilation in a Superconducting Film with a Restricted Geometry" (oral)
2. Quantum Condensed System, ISSP-9, Todai International Symposium 2004
   16-19 Nov., 2004, (ISSP, University of Tokyo, Kashiwa, Japan)
   
   • M. Hayashi and H. Ebisawa
     "Vortex Nucleatin and Annihilation in Superconducting Corbino Disks" (poster)
3. 17th International Symposium on Superconductivity (ISS2004)
   23-25 Nov., 2004, (Niigata, Japan)
   
   • M. Hayashi, H. Ebisawa, M. Kato
     "Vortex Structures in Mesoscopic Superconducting Network Systems" (oral)
4. Joint Workshop on Superconductivity, The second CREST-NANOFAB Workshop (NFS2004) and The XII-th Vortex Physics Workshop of Japan (VPJ12)
   1-2 Dec., 2004, (Osaka University Nakanoshima Center, Osaka, Japan)
   
   • M. Hayashi, H. Ebisawa, M. Kato
     "Vortex Patterns in Nanoscopic Superconducting Networks" (oral)
   • T. Suzuki, M. Hayashi, H. Ebisawa, M. Kato
     "Theoretical Study on Little-Parks Oscillation in Nanoscle Superconducting Rings" (poster)
5. International Symposium on JSPS Core-to-Core Integrated Action Initiative "Nanoscience and Engineering in Superconductivity"
   24 - 28 Nov., 2004, (Tsukuba International Congress Center, Tsukuba, Japan)
   
   • M. Hayashi
     "Superconducting States on a Moebius Strip" (poster)

1. 10th International Workshop on Oxide Electronics (WOE10)
   11-13 Sept., 2003, (Augsburg, Germany)
   
   • M. Hayashi
     "Making the Transition Temperture of Cuprate Superconductors Higher by Using the Field-Effect-Transister Geometry" (poster)
2. International Summer School for Young Researchers on Quantum Transport in Mesoscopic Scale & Low Dimensions
   13-21 Aug., 2003, (ISSP, University of Tokyo, Kashiwa, Japan)
   
   • M. Hayashi
     "Morphology of Topological Crystals and its Implications on Electronic Properties" (poster)

1. The 23th International Conference on Low Temperature Physics
   20-27 Aug., 2002, (International Conference Center, Hiroshima, Japan)
   
   • M. Sasaki, H. Iwasaki, A. Ohnishi, Y. Isobe, N. Asaka, M. Hayashi, H. Ebisawa
     "Dynamics of Vortex Motion in High-Tc Superconductor La_1-x Sr_x Cu O_4" (poster)
   • M. Hayashi and H. Ebisawa
     "Hetrogeneous High Temperature Cuprate Superconductors" (poster)
   • Y. Utsumi, H. Imamura, M. Hayashi and H. Ebisawa
     "The current and the charge noise of a single-electron transister at large charge fluctuation out of equilibrium" (poster)
   • T. Suzuki, M. Hayashi, H. Imamura, H. Ebisawa
     "Superconducting Correlation in Orbital Magnetism of Quantum Dots" (poster)
2. 15th International Symposium on Superconductivity
   11-13 Nov., 2002, (Yokohama, Japan)
   
   • M. Hayashi and H. Ebisawa
     "Novel Boundary Efect in High Temperature Superconductors: Superconductivity induced by Pseudogap Proximity Effect" (oral)

1. The 7th International Symposium on Foundation of Quantum Mechanics in the Light of New Technology (ISQM-TOkyo '01)
   27-30 Aug., 2001, (Advanced Research Laboratory, Hitachi, Ltd, Hatoyama, Saitama, Japan)
   
   • Y. Rikitake, Y. Utsumi, H. Imamura, M. Hayashi, H. Ebisawa
     "Dephasing of a Qubit Coupled with a Point-Contact Detector" (oral)

1. International Symposium on Mesoscopic Superconductivity (MS2000)
   8-10 March., 2000, (NTT Basic Research Laboratories, Kanagawa, Japan)
   
   • M. Hayashi
     "Superconducting Fluctuation and Little-Parks Oscillation in a Mesoscopic Superconducting Ring" (poster)

1. XXII International conference on Low Temperature Physics
   4-11 Aug., 1999, (Espoo and Helsinki, Finland)
   
   • M. Hayashi
     "Spectral Flow and Dynamics of Vortices in Type-II Superconductors" (poster)
   • M. Hayashi and H. Yoshioka
     "Effects of a Transverse Electric Field on Charge Density Waves" (poster)

1. International Workshop on Vortex Physics in High-Temperature Superconductors
   21-26 June, 1998, (Hachimanai, Japan)
   
   • M. Hayashi
     "Spectral Flow and the Decay of Supercurrent in Superconductors" (poster)

1. XXI International Conference on Low Temperature Physics
   8-14 Aug., 1996, (Prague, Czech Republic)
   
   • M. Hayashi and H. Yoshioka
     "Dielectric Properties of the Mixed State of Charge Density Waves" (poster)

1. XXI International Conference on Low Temperature Physics (LT20)
   1-11 Aug., 1994, (Eugen, Oregon, USA)
   
   • M. Hayashi and H. Fukuyama
     "Dissipation in vortex state of type-II superconductors " (poster)