Ibaraki University's
Graduate School of Science and Engineering (Engineering)
Department of Electrical and Electronic Engineering


WADA Tatsuaki


  1. 茨城大学工学部電気電子工学科 助手 1991/04-2005/06
  2. 茨城大学工学部電気電子工学科 講師 2005/07-2008/09
  3. 茨城大学工学部電気電子工学科 准教授 2008/10/01-2015/03
  4. 茨城大学工学部電気電子工学科 教授 2015/04-Present

Academic background

  1. Shizuoka University Graduate School, Division of Materials Science Doctor course 1991 Completed

Academic degrees

  1. 工学博士 Shizuoka University 1991/03

Research Areas

  1. Mathematical Physics/Fundamental Theory of Physical Properties
  2. Fundamental Informatics

Research keywords

  1. Generalized entropy, Generalized statistical mechanics, Mathematical engineering, Quantum Condensed Matter, Information geometry, Quantum trajectory, Quantum walk

Subject of research

  1. κ-統計力学に関する情報幾何構造の解明
  2. 量子ウォークに関する研究
  3. Research on the non-linear difusion equation which is basis for the maximum principle of the kappa-generalized entropy. κエントロピー最大原理の基礎となる非線型拡散方程式とその長時間漸近解に関する研究 2007/04-2010/03
  4. 一般化エントロピーから導かれる数理構造によるベキ法則にしたがう情報構造の解明 べキ分布にしたがうデータの発生機構の解明 2006-2009
  5. Information geometry of a deformed exponential probability distribution 2012-Present
  6. 非整数階微分を利用した電子回路 2016/04-Present

Proposed theme of joint or funded research

  1. An generalization of statistical mechanics based on \kappa-generalized entropy Joint research with other research organizations such as universities.
  2. 幾何学的代数(GA)による電気回路の解析 Joint research with other research organizations such as universities.
  3. Information geometries on a deformed-exponential family Joint research with other research organizations such as universities.


  1. Joint Equivalence between four versions of thermostatistics based on strongly pseudoadditive entropies Velimir M. Ilić, Antonio Maria Scarfone, and Tatsuaki Wada Physical Review E APS 100, 062135 2019 10.1103/PhysRevE.100.062135
  2. Research paper (scientific journal) Joint Normalization Problems for Deformed Exponential Families H. Matsuzoe, A.M. Scarfone, T. Wada Geometric Science of Information. GSI 2019. Lecture Notes in Computer Science, vol 11712. Springer 2019 10.1007/978-3-030-26980-7_29
  3. Research paper (scientific journal) Joint On the canonical distributions of a thermal particle in a generalized velocity-dependent potential T. Wada, A.M. Scarfone, H. Matsuzoe Physica A Elsevior 2019 https://doi.org/10.1016/j.physa.2019.123273
  4. Research paper (scientific journal) Only On some information geometric structures concerning Mercator projections Tatsuaki Wada Physica A Elsevier 531, 121591 2019/10/01 https://doi.org/10.1016/j.physa.2019.121591
  5. Research paper (scientific journal) Joint Hessian-information geometric formulation of Hamiltonian systems and generalized Toda's dual transform S. Goto, T. Wada Journal of Physics A Mathematical and Theoretical 51/ 32, 324001 2018 10.1088/1751-8121/aacbdf

Research presentations

  1. Oral presentation(general) 非線型のRayleigh散逸関数と変形ガウス分布 日本物理学会 秋季大会 2019/09/11
  2. Oral presentation(general) 離散時間量子ウォークの伝送線路モデル 日本物理学会 秋季大会 2019/09/10
  3. Oral presentation(general) A discrete transmission line model which behaves like a DTQW Workshop of Quantum Simulations and Quantum Walks 2018/12/15
  4. 弱い閉じ込めポテンシャルに対する熱的確率分布とその情報幾何 日本物理学会講演概要集 2017 URL
  5. Poster presentation Anomalous slow diffusion in nonlinear quantum walks Workshop of Quantum Dynamics and Quantum Walks 2012/11/24

Alloted class

  1. センサーと電子デバイス
  2. 応用電子回路
  3. ナノ物性工学
  4. 電気磁気学Ⅱ演習
  5. 電気磁気学Ⅰ

Social Contribution

  1. 国際協力事業団(JICA)のポーランド日本情報工科大学への技術移転 1998/10-1998/12 JICAの短期専門家として、ポーランド日本情報工科大学において、エレクトロニクスに関する技術移転を行った。

Memberships of academic societies

  1. 日本物理学会