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Tokushima University ⟩ Graduate School of Technology, Industrial and Social Sciences ⟩ Division of Science and Technology ⟩ Mathematical Science ⟩ Mathematics and Computer Sciences ⟩
Tokushima University ⟩ Faculty of Science and Technology ⟩ Department of Science and Technology ⟩ Mathematical Science ⟩ Mathematics and Computer Sciences ⟩
Tokushima University ⟩ Graduate School of Sciences and Technology for Innovation ⟩ Science and Technology ⟩ Mathematical Sciences ⟩ Mathematics and Computer Sciences ⟩
Tokushima University ⟩ Graduate School of Sciences and Technology for Innovation ⟩ Sciences and Technology for Innovation ⟩ Computer Science and Mathematical Science Program ⟩ 		(Files for researchmap) [PDF manual] [Auto-propagate to researchmap]

Research

Personal Web Page

Field of Study

○ Physics

Subject of Study

○ Quantum chaos (Dynamical tunneling, Hamiltonian dynamical system, Complex dynamical system, numerical analysis, multiple-precision arithmetic)

Book / Paper

Academic Paper (Judged Full Paper):

1. Kin'ya Takahashi, Yasutaka Hanada and Kensuke S. Ikeda :
Semiclassical mechanism of sawtooth structure tunneling,
Physical Review E, 113, 2026.
(DOI: 10.1103/1rbj-zxpk,   CiNii: 1874249668433084928,   Elsevier: Scopus)
2. Ogura Hiroshi, Yasutaka Hanada, Osakabe Keitaro and Kondo Masato :
Modeling the Mutual Dynamic Correlations of Words in Written Texts Using Multi- variate Hawkes Processes,
J, 8, 4, 40(1)-(26), 2025.
3. Yasutaka Hanada and Akira Shudo :
Quantum Tunneling and Complex Dynamics in the Suriss Integrable Map,
Entropy, 26, 5, 2024.
(DOI: 10.3390/e26050414,   CiNii: 1360306904420240896,   Elsevier: Scopus)
4. Yasutaka Hanada, Kensuke S. Ikeda and Akira Shudo :
Dynamical tunneling across the separatrix,
Physical Review E, 108, 6, 2023.
(DOI: 10.48550/arxiv.2402.10219,   CiNii: 1360306914727336064)
5. Ryonosuke Koda, Yasutaka Hanada and Akira Shudo :
Ergodicity of complex dynamics and quantum tunneling in nonintegrable systems,
Physical Review E, 108, 5, 2023.
(DOI: 10.1103/physreve.108.054219,   CiNii: 1360869863603043584,   Elsevier: Scopus)
6. Riku Iijima, Ryonosuke Koda, Yasutaka Hanada and Akira Shudo :
Quantum tunneling in ultra-near-integrable systems,
Physical Review E, 106, 6, 2022.
(DOI: 10.1103/physreve.106.064205,   CiNii: 1360580230589774080,   Elsevier: Scopus)
7. Hiroshi Ogura, Yasutaka Hanada, Hiromi Amano and Masato Kondo :
Modeling Long-Range Dynamic Correlations of Words in Written Texts with Hawkes Processes,
Entropy, 24, 7, 2022.
(DOI: 10.3390/e24070858,   CiNii: 1360017282198896256,   Elsevier: Scopus)
8. Hiroshi Ogura, Yasutaka Hanada, Hiromi Amano and Masato Kondo :
A stochastic model of word occurrences in hierarchically structured written texts,
SN Applied Sciences, 4, 3, 2022.
(DOI: 10.1007/s42452-022-04953-w,   CiNii: 1360294643710539776,   Elsevier: Scopus)
9. Yasutaka Hanada, Akira Shudo, Teruaki Okushima and Kensuke S. Ikeda :
Renormalized perturbation approach to instanton-noninstanton transition in nearly integrable tunneling processes,
Physical Review E, 99, 5, 2019.
(DOI: 10.1103/physreve.99.052201,   CiNii: 1360567184989025152,   Elsevier: Scopus)
10. Yasutaka Hanada, Akira Shudo and Kensuke S. Ikeda :
Origin of the enhancement of tunneling probability in the nearly integrable system,
Physical Review E, 91, 4, 2015.
(DOI: 10.48550/arxiv.1503.00696,   CiNii: 1360848659964029824)
11. Akira Shudo, Yasutaka Hanada, Teruaki Okushima and Kensuke S. Ikeda :
Instanton-noninstanton transition in nonintegrable tunneling processes: A renormalized perturbation approach,
EPL (Europhysics Letters), 108, 5, 2014.
(DOI: 10.48550/arxiv.1503.00708,   CiNii: 1360567186887852544)

Proceeding of International Conference:

1. Akira Shudo, Yasutaka Hanada and S. Kensuke Ikeda :
Quantum tunneling in nonintegrable systems: beyond the leading order semiclassical description (Several aspects of microlocal analysis),
RIMS Kokyuroku Bessatsu, B57, 27-38, Kyoto, May 2016.
(CiNii: 1050001338252093056)
2. Yasutaka Hanada, Akira Shudo and Kensuke S. Ikeda :
Resonance-assisted tunneling in integrable and nonintegrable systems,
ASTE : advances in science, technology and environmentology : special issue, 11, 127-130, Tokyo, Mar. 2015.
(CiNii: 1520572358270563712)
3. Akiyuki Ishikawa, Atushi Tanaka, Yasutaka Hanada and Akira Shudo :
Flooding of wave functions in multi-dimensional mixed systems and the possibility of experimental observation,
AIP Conference Proceedings, 340-349, 2012.
(DOI: 10.1063/1.4745593,   CiNii: 1360285708881326336)

Grants-in-Aid for Scientific Research (KAKEN Grants Database @ NII.ac.jp)