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Kota Katsumi

Post-Doctorant

publié le

Postdoctoral researcher - Université de Paris

e-mail : kota.katsumi(at)u-paris.fr
adresse :
Bâtiment Condorcet - 6ème étage
10 rue Alice Domon et Léonie Duquet
75205 PARIS CEDEX 13


RESEARCH TOPIC

  • Ultrafast phenomena in solids
  • Terahertz pulse induced collective dynamics in cuprate superconductors

CV

  • since Septembre 2021 : Postdoctoral researcher, Université de Paris
  • April 2021-August 2021 : Postdoctoral researcher, Cryogenic Research Center, The University of Tokyo
  • April 2019 - March 2021 : Research Fellow of the Japan Society for the Promotion of Science
  • April 2018- March 2021 : PhD student, The University of Tokyo, Department of Physics, Shimano group

RECENT ARTICLES

  • "Light-induced enhancement of superconductivity in iron-based superconductor FeSe0.5Te0.5" Kazuki Isoyama, Naotaka Yoshikawa, Kota Katsumi, Jeremy Wong, Naoki Shikama, Yuki Sakishita, Fuyuki Nabeshima, Atsutaka Maeda & Ryo Shimano, Commun. Phys. 4, 160 (2021).
  • "THz Kerr nematic response in the superconducting state of Ba1−xKxFe2As2"
    Romain Grasset, Kota Katsumi, Pierre Massat, Hai-Hu Wen, Xian-Huin Chen, Yann Gallais, Ryo Shimano, arXiv:2105.09159.
  • "Nonreciprocal Terahertz Second-Harmonic Generation in Superconducting NbN under Supercurrent Injection" Sachiko Nakamura, Kota Katsumi, Hirotaka Terai, and Ryo Shimano, Phys. Rev. Lett. 125, 097004 (2020).
  • "Superconducting fluctuations probed by the Higgs mode in Bi2Sr2CaCu2O8+x thin films" Kota Katsumi, Zhi Zhong Li, Hélène Raffy, Yann Gallais, Ryo Shimano,
    Phys. Rev. B 102, 054510 (2020).
  • "Phase-resolved Higgs response in superconducting cuprates"
    Hao Chu, Min-Jae Kim, Kota Katsumi, Sergey Kovalev, Robert David Dawson, Lukas Schwarz, Naotaka Yoshikawa, Gideok Kim, Daniel Putzky, Zhi Zhong Li, Hélène Raffy, Semyon Germanskiy, Jan-Christoph Deinert, Nilesh Awari, Igor Ilyakov, Bertram Green, Min Chen, Mohammed Bawatna, Georg Cristiani, Gennady Logvenov, Yann Gallais, Alexander V. Boris, Bernhard Keimer, Andreas P. Schnyder, Dirk Manske, Michael Gensch, Zhe Wang, Ryo Shimano, and Stefan Kaiser, Nature Communications 11, 1793 (2020).