Nuclear reaction: 40Ca+124Sn Photo: Paris2013 Photo: Venice2013 Photo: Caen2014 Photo: Zakopane2015

 What's New

2020-07-14 News
Our article, titled "Zeptosecond contact times for element Z=120 synthesis", has been accepted for publication in Physics Letters B!
2020-07-07 News
An interview article has been published in a webpage managed by "hotozero inc." [Webpage (in Japanese)]
2020-03-18 News
Our article, titled "Quantal diffusion approach for multinucleon transfer processes in the 58,64Ni+208Pb reactions: Towards the production of unknown neutron-rich nuclei", has been uploaded to arXiv (K. Sekizawa and S. Ayik, arXiv:2003.07786 [nucl-th]).
2020-03-13 Article
A mini review article, titled "TDHF and a macroscopic aspect of low-energy nuclear reactions", has been accepted for publication in Frontiers in Physics. [K. Washiyama and K. Sekizawa, Front. Phys. 8, 93 (2020)]
2019-12-26 Invited Talk
I gave a talk titled "Time-Dependent Hartree-Fock Theory and Its Extensions for Low-Energy Nuclear Reactions: Recent Progress" at The 64th DAE-BNRS Symposium on Nuclear Physics, held at Lucknow University in India.
2019-12-02 Talk
I gave a talk titled "Time-Dependent Hartree-Fock Theory and Its Extensions for the Superheavy Element Synthesis" at The 4th International Symposium on Superheavy Elements (SHE2019) held in Hakone, Japan.
2019-11-20 Invited Talk
I gave a talk titled "Time-Dependent Density Functional Theory and Its Extensions for Nuclear Dynamics" at the International Workshop on "New Generation Nuclear Density Functionals", held at Peking University.
2019-10-12 Seminar
I gave a seminar on "Time-Dependent Hartree-Fock Theory and Its Extensions for Low-Energy Heavy-Ion Reactions" at Beijing Normal University.
2019-10-11 Talk
I gave a talk titled "Time-Dependent Hartree-Fock Theory and Its Extensions for Low-Energy Heavy-Ion Reactions" at China-Japan Collaboration Workshop on "Nuclear Mass and Life for Unraveling Mysteries of R-process" held in Bejing, China.
2019-09-28 Invited Talk
I gave a talk titled "Time-Dependent Density Functional Theory for Superfluid Dynamics in the Neutron Star Crust" at the QCS2019 conference held in Busan, South Korea. [Slides (*4.4MB*)]
2019-09-12 Invited Talk
I gave a talk titled "Time-Dependent Hartree-Fock Theory and Its Extensions for the Superheavy Element Synthesis" at the Heavy Ion Accelerator Symposium on Fundamental and Applied Science (HIAS2019) held at ANU, Canberra, Australia. [Slides (*3.8MB*)]
2019-09-06 News
We have organized the 5th Workshop on Many-Body Correlations in Microscopic Nuclear Model "Sado2019", on Sep. 5-6, in the Sado Island, Niigata, Japan.
2019-08-30 News
I have received The 6th Niigata University Rector Award.
2019-07-30 Talk
I gave a talk titled "Time-Dependent Hartree-Fock Theory for Multinucleon Transfer Reactions" at the 27th International Nuclear Physics Conference (INPC2019) held in Glasgow, UK. [Slides (*2.1MB*)]
2019-07-19 Seminar
I gave a seminar on "Time-Dependent Hartree-Fock Theory and Its Extensions for Low-Energy Nuclear Reactions: Recent Progress" at Nuclear Theory Group Seminar, Kyoto University.
2019-07-19 Colloquium
I gave a seminar on "Time-Dependent Density Functional Theory for Superfluid Dynamics in the Neutron Star Crust" at Nuclear Physics Colloquium, Kyoto University.
2019-05-22 Article
Our aricle, titled "Time-dependent Hartree-Fock plus Langevin approach for hot fusion reactions to synthesize the Z=120 superheavy element", has been published in Physical Review C as a Rapid Communication with Editors' Suggestion! [K. Sekizawa and K. Hagino, Phys. Rev. C 99, 051602(R) (2019)]
2019-05-20 Seminar
I gave a seminar on "TDDFT calculations for quantum many-body dynamics" at University of Genoa, Genova, Italy. [Slides (*8.3MB*)]
2019-05-14 Invited Talk
I gave a talk titled "Time-Dependent Hartree-Fock Theory for Multinucleon Transfer Reactions" at the 4th International Conference on Nuclear Structure and Dynamics (NSD2019) held in Venice, Italy.
2019-03-14 Article
An article on our nuclear theory group in Niigata University (PDF, 1.8MB) has been published in a journal "Genshikaku Kenkyu". (in Japanese)
2019-02-18 Invited Talk
I gave a talk titled "Progress in Strong-Field Science and Applications to Nuclear Physics" at a workshop held at RIKEN Kobe Campus, Japan. [Slides (*2.4 MB*)]
2019-02-04 Article
A review article, titled "TDHF Theory and Its Extensions for the Multinucleon Transfer Reaction: a Mini Review", has been accepted for publication in Frontiers in Physics. [K. Sekizawa, Front. Phys. 7, 20 (2019)]
2018-12-27 Invited Talk
I gave a talk titled "Non-Equilibrium Processes in Low-Energy Heavy-Ion Reactions" at a workshop held at YITP, Kyoto University, Japan. [Slides (*6 MB*, in Japanese)]
2018-12-11 Invited Talk
I gave a talk titled "Recent progress of nuclear dynamics studies with TDDFT", mainly on collisions of superfluid nuclei, at International Workshop held at CCS, University of Tsukuba, Japan. [Slides (*2.5MB*)]
2018-12-06 Invited Talk
I gave a talk titled "Time-Dependent Density Functional Theory for Low-Energy Nuclear Reactions: Recent Progress" at NN2018 Conference held at Omiya, Saitama, Japan. [Slides (*3.4MB*)]
2018-11-30 Talk
I gave a talk titled "Recent progress of nuclear dynamics studies with TDDFT", mainly on vortex-nucleus dynamics in the inner crust of neutron stars, at RANSP2018 International Workshop held at YITP, Kyoto University, Japan. [Slides (*4.1MB*)]
2018-11-24 Seminar
I gave a seminar on "Superfluid dynamics in the neutron star crust" at Chiba Institute of Technology, Narashino, Chiba, Japan. [Slides (*6.8MB*)]
2018-11-05 Invited Talk
I gave a talk titled "Recent progress of nuclear dynamics studies with TDDFT" at SSNET'18 Conference held at CNRS, Gif-sur-Yvette, France.
2018-11-02 Invited Talk and Posters
I gave a talk on achievements awarded as The Excellent Achievement Award, and also two posters of our HPCI projects, at the 5th Project Report Meeting of the HPCI System Including K computer, held at Tokyo, Japan.
2018-10-27 Talk
I gave a talk titled "One-Body Fluctuation Mechanism in Deep-Inelastic Reactions" at The 5th APS-JPS Joint Meeting "HAW18" held at Kona, Hawaii, USA.
2018-10-23 Invited Talk
I gave a talk titled "Nuclear Superfluid Dynamics within TDSLDA" at a Workshop on "Computational Nuclear Structure" in The 5th APS-JPS Joint Meeting "HAW18" held at Kona, Hawaii, USA.
2018-10-16 Poster
I gave a poster presentation titled "Macroscopic Radial and Tangential Friction from Microscopic Mean-Field Dynamics" at CCS International Symposium 2018, held at CCS-Tsukuba, Ibaraki, Japan. (Poster, 2 MB)
2018-08-20 Talk
I gave a presentation titled "Towards Synthesis of the Heaviest Element: What's Next and How?" at the "Sado2018" workshop, held at Sado Island, Niigata, Japan.
2018-08-10 Outreach
I had a mock lecture for high-school students, "The World of Physics and Atomic Nuclei", in Niigata University Open Campus 2018.
2018-07-31 Invited Talk
I gave a talk titled "Study of Quasifission Dynamics with TDHF" at a Workshop on "New Frontiers in Superheavy Element Research" held at Kyushu University, Fukuoka, Japan.
2018-07-18 News
Our HPCI System Research Project "Extension and Application of Time-Dependent Density Functional Theory for Predicting Unstable Nucleus Productions" (hp170007) has been selected as an Excellent Research Project Award.
2018-06-22 Article
Our article, titled "Suppressed Solitonic Cascade in Spin-Imbalanced Superfluid Fermi Gas", has been published in Physical Review Letters! [G. Wlazłowski, K. Sekizawa, M. Marchwiany, and P. Magierski, Phys. Rev. Lett. 120, 253002 (2018)]
2018-05-28 Seminar
I gave a seminar on "Topological excitations in superfluid fermionic systems" at Keio University, Yokohama, Kanagawa, Japan. [Slides (*8MB*)]
2018-04-26 Invited Talk
I gave a talk titled "Recent progress of nuclear dynamics studies with TDDFT" at a Workshop with Gianluca Colò held at Tohoku University, Sendai, Miyagi, Japan.
2018-03-25 Invited Talk
I gave an award lecture titled "Multinucleon Transfer Reactions with Time-Dependent Density Functional Theory" at JPS 73rd Annual Meeting, held at Tokyo University of Science, Noda City, Chiba, Japan.
2018-03-07 Article
Our article, titled "Deep-inelastic multinucleon transfer processes in the 16O+27Al reaction", has been published in Physical Review C! [B.J. Roy, Y. Sawant, P. Patwari et al., Phys. Rev. C 97, 034603 (2018)].
2018-03-07 Seminar
I gave an informal seminar titled "Brief summary of my recent/future studies" at the Australian National University, Canberra, Australia.
2018-02-28 Seminar
I gave a seminar titled "Multinucleon Transfer and Quasifission Processes in Time-Dependent Density Functional Theory" at the Institute of Theoretical Physics, Chinese Academy of Sciences, Beijing, China.
2018-01-10 Article
Our article, titled "Exploring Zeptosecond Quantum Equilibration Dynamics: From Deep-Inelastic to Fusion-Fission Outcomes in 58Ni+60Ni Reactions", has been published in Physical Review Letters! [E. Williams, K. Sekizawa, D.J. Hinde et al., Phys. Rev. Lett. 120, 022501 (2018)]
2018-01-04 News
I started working at the Center for Transdisciplinary Research, Institute for Research Promotion, Niigata University, Japan.
2017-12-04 Invited Talk
I gave an award lecture titled "Multinucleon Transfer Reactions and Quasifission Processes in Time-Dependent Hartree-Fock Theory" at International symposium on RI beam physics in the 21st century: 10th anniversary of RIBF, held at RIKEN, Japan.
2017-12-02 Talk
I gave a presentation titled "Time-Dependent Density Functional Theory for Superfluid Dynamics in the Neutron Star Crust" at The 6th Workshop on Neutron Star Matter "NSMAT2017", held at RIKEN, Japan.
2017-09-08 Seminar
I gave a seminar titled "Time-Dependent Density Functional Theory for Nuclear Many-Body Problem" at the University of Tsukuba, Japan.
2017-09-01 News
I have been selected as a winner of the 12th Seitaro Nakamura Prize.
2017-07-25 Article
Our article, titled "Novel Role of Superfluidity in Low-Energy Nuclear Reactions", has been published in Physical Review Letters! [P. Magierski, K. Sekizawa, G. Wlazłowski, Phys. Rev. Lett. 119, 042501 (2017)]
2017-07-24 Article
My article, titled "Microscopic description of production cross sections including deexcitation effects", has been published in Physical Review C! [K. Sekizawa, Phys. Rev. C 96, 014615 (2017)]
2017-07-19 News
I have been selected as a winner of the RIBF Users Thesis Awards 2017.
2017-07-13 News
Our article, titled "Deep-inelastic multinucleon transfer processes in the 16O+27Al reaction", has been uploaded to arXiv (B.J. Roy et al., arXiv:1707.04164).
2017-05-08 News
My article, titled "Microscopic description of production cross sections including deexcitation effects", has been uploaded to arXiv (K. Sekizawa, arXiv:1705.02904).
2017-03-18 Article
Our article, titled "Solitonic Excitations in Collisions of Superfluid Nuclei", has been published in Proceedings of Science (K. Sekizawa, P. Magierski, and G. Wlazłowski, PoS(INPC2016)214).
2017-03-04 Article
Our article, titled "Microscopic Calculations of Vortex-Nucleus Interaction in the Neutron Star Crust", has been published in JPS Conference Proceedings (K. Sekizawa, G. Wlazłowski, P. Magierski, A. Bulgac, and M.M. Forbes, JPS Conf. Proc. 14, 010807 (2017)).
2017-02-28 Article
Our article, titled "Quasifission Dynamics and Stability of Superheavy Systems", has been published in Acta Physica Polonica B Proceedings Supplement (K. Sekizawa and S. Heinz, Acta Phys. Pol. B 10, 225 (2017)).
2017-02-24 News
I received an award, "Paulo Gomes and Valery Zagrebaev Prize", for the best early career researcher oral presentation at the FUSION17 Conference held in Hobart, Tasmania, Australia, Feb. 20-24, 2017.
2017-02-23 Invited Talk
I gave a presentation titled "Solitonic Excitations in Collisions of Superfluid Nuclei" at International conference on heavy-ion collisions at near-barrier energies "FUSION17" held at Henry Jones Art Hotel in Hobart, Tasmania, Australia.
2017-02-16 Talk
I gave a presentation titled "Nuclear dynamics within TDSLDA framework" at Low-Energy Nuclear Reaction Theory (LENRT) held at the Australian National University in Canberra, Australia.
2016-12-13 Seminar
I gave a seminar titled "Time-Dependent Density Functional Theory for Nuclear Many-Body Problem" at the University of Washington in Seattle, USA.
2016-12-01 News
Our article, titled "Novel Role of Superfluidity in Low-Energy Nuclear Reactions", has been uploaded to arXiv (P. Magierski, K. Sekizawa, and G. Wlałzowski, arXiv:1611.10261) which has been submitted to Physical Review Letters.
2016-12-01 News
Our article, titled "Quasifission Dynamics and Stability of Superheavy Systems", has been uploaded to arXiv (K. Sekizawa and S. Heinz, arXiv:1611.10117).
2016-11-30 Article
Our article, titled "Votex Pinning and Dynamics in the Neutron Star Crust", has been accepted for publication in Physical Review Letters!! (G. Wlazłowski, K. Sekizawa, P. Magierski, A. Bulgac, M.M. Forbes, Phys. Rev. Lett. 117, 232701 (2016)).
2016-11-17 Seminar
I gave a seminar titled "Time-Dependent Density Functional Theory for Low-Energy Nuclear Reactions" at University of Warsaw in Warsaw, Poland.
2016-09-30 Talk
I gave a presentation titled "Solitonic Excitations in Collisions of Superfluid Nuclei" at XXIII Nuclear Physics Workshop ,,Marie & Pierre Curie'' held at Dom Dziennikarza in Kazimierz Dolny, Poland.
2016-09-21 Talk
I gave a presentation titled "Topological excitations from the perspective of nuclear physicists" at Quantum Technologies Conference VII - Manipulating photons, atoms, and molecules held at The University of Warsaw Library in Warsaw, Poland.
2016-09-13 Talk
I gave a presentation titled "Solitonic Excitations in Collisions of Superfluid Nuclei" at The 26th International Nuclear Physics Conference (INPC2016) held at Adelaide Convention Centre, Adelaide, Australia.
2016-08-30 Poster
I gave a poster presentation titled "Solitonic Excitations in Collisions of Superfluid Nuclei" at Zakopane Conference on Nuclear Physics held at Hotel Belvedere in Zakopane, Poland.
2016-07-27 Seminar
I gave a seminar titled "Microscopic Calculation of Vortex-Nucleus Interaction for Neutron Star Glitches" at INT Program (INT-16-26) on "The Phases of Dense Matter" held at Institute for Nuclear Theory, University of Washington, Seattle, WA, USA.
2016-06-29 News
The achievements reported in our recent paper [Phys. Rev. C 93, 054616 (2016)] have been publicized as an article in Physics Buzz, a website that promotes new developments/findings in physics. [Website]
2016-06-23 Talk
I gave a presentation titled "Microscopic Calculation of Vortex-Nucleus Interaction for Neutron Star Glitches" at the 14th International Symposium on "Nuclei in the Cosmos (NIC-XIV)" held at Toki Messe in Niigata, Japan.
2016-05-23 Article
Our article, titled "Time-dependent Hartree-Fock calculations for multinucleon transfer and quasifission processes in the 64Ni+238U reaction", has been accepted for publication in Physical Review C. (K. Sekizawa and K. Yabana, Phys. Rev. C 93, 054616 (2016)). It has been highlighted as Editors' Suggestion in PRC.
2016-03-20 Invited Talk
I gave an award lecture titled "Heavy-ion multi-nucleon transfer reactions with time-dependent density functional theory" at JPS 71th Annual Meeting.
2016-01-25 News
An article has been uploaded to the arXiv.org.
(arXiv:1601.06656 [nucl-th])
2016-01-08 Seminar
I gave a seminar entitled "TDSLDA calculations for vortex-nucleus interaction" at University of Tsukuba, Ibaraki, Japan.
2015-11-30 News
An article has been uploaded on arXiv
(arXiv:1511.08322 [nucl-th]).
2015-11-28 News
The page "Research" has been renewed.
2015-10-27 Seminar
I gave a seminar entitled "Multinucleon transfer and quasifission processes in time-dependent Hartree-Fock theory" at INFN-LNL, Legnaro, Padova, Italy. [Website]
2015-10-14 News
I received a prize, "the 10th Young Scientist Award of the Physical Society of Japan", for the achievement published in Phys. Rev. C 88, 014614 (2013).
2015-09-25 Invited Talk
I gave a presentation titled "Current status of TDHF and new reaction mechanisms" at a symposium on "Basics and Applications of Heavy-Ion Deep Inelastic Scattering" in JPS 2015 Fall Meeting.
2015-08-06 Article
Our article, titled "Multinucleon transfer study in 206Pb(18O, x) at energies above the Coulomb barrier", has been accepted for publication in Physical Review C. (B.J. Roy et al., Phys. Rev. C 92, 0244613 (2015)).
2015-04-01 News
I have moved to Warsaw University of Technology in Poland.
2015-03-25 News
I have got a Ph.D. degree of Science at the University of Tsukuba. Then I received the Award from a dean of Graduate School of Pure and Applied Sciences, University of Tsukuba.
2014-12-12 News
I received the Award for Best Project of the 2014 TALENT Course #5 "Theory for Exploring Nuclear Structure Experiments" in August 2014, at GANIL, Caen, France.
2014-12-03 Article
Our article, titled "Particle-number projection method in time-dependent Hartree-Fock theory: Properties of reaction products", has been accepted for publication in Physical Review C. (K. Sekizawa and K. Yabana, Phys. Rev. C 90, 064614 (2014)).
2014-10-31 News
Our research project "Study of nuclear dynamics based on the density functional theory" (Project ID: hp120204) in research projects utilizing the HPCI system including K computer has been praised by RIST as one of the outstanding research projects which have achieved excellent works.
2014-09-04 News
An article has been submitted to the arXiv.org.
(arXiv:1409.1083 [nucl-th])
2014-03-12 Article
A proceeding of VI International Conference "FUSION14" held at IUAC, New Delhi, India, in Feb. 24-28, 2014, has been submitted to the arXiv.org.
(arXiv:1403.2862 [nucl-th])
2013-12-13 News
I have been commended as one of the Best Participant Award of 2013 TALENT Course #6 "Theory for Exploring Nuclear Reaction Experiments"
2013-07-30 Article
Our article, titled "Time-dependent Hartree-Fock calculations for multinucleon transfer processes in 40,48Ca+124Sn, 40Ca+208Pb, and 58Ni+208Pb reactions", has been accepted for publication in Physical Review C. (K. Sekizawa and K. Yabana, Phys. Rev. C 88, 014614 (2013)).
2013-03-03 News
An article has been submitted to the arXiv.org.
(arXiv:1303.0552 [nucl-th])

Welcome to My Website! :)


I'm Kazuyuki SEKIZAWA, a Nuclear Physicist, working at Niigata University in Japan (an Assistant Prof. level). I'm working on Nuclear Theory and interested in quantum many-body dynamics of various kinds: e.g. collisions of atomic nuclei, superfluid vortices inside neutron stars, ultracold atomic gasses, and so forth.


Selected Topics from Recent Studies

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