A
Akitaka Matsuda
Researcher at Nagoya University
Publications - 67
Citations - 813
Akitaka Matsuda is an academic researcher from Nagoya University. The author has contributed to research in topics: Laser & Ionization. The author has an hindex of 17, co-authored 61 publications receiving 694 citations. Previous affiliations of Akitaka Matsuda include National Institutes of Natural Sciences, Japan & Tokyo Institute of Technology.
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Journal ArticleDOI
Visualizing Recurrently Migrating Hydrogen in Acetylene Dication by Intense Ultrashort Laser Pulses
Akiyoshi Hishikawa,Akiyoshi Hishikawa,Akiyoshi Hishikawa,Akitaka Matsuda,Mizuho Fushitani,Mizuho Fushitani,Eiji J. Takahashi,Eiji J. Takahashi +7 more
TL;DR: It is shown that the migration proceeds in a recurrent manner: the deuterium atom first shifts from one carbon site to the other in a short time scale and then migrates back to the original carbon site by 280 fs, in competition with the molecular dissociation.
Journal ArticleDOI
Visualizing hydrogen atoms migrating in acetylene dication by time-resolved three-body and four-body Coulomb explosion imaging
TL;DR: Correlated motion of the two deuterium atoms associated with the hydrogen migration and structural deformation to non-planar geometry are identified by the time-resolved four-body Coulomb explosion imaging.
Journal ArticleDOI
Multiphoton double ionization of Ar in intense extreme ultraviolet laser fields studied by shot-by-shot photoelectron spectroscopy.
Yasumasa Hikosaka,Mizuho Fushitani,Akitaka Matsuda,Akitaka Matsuda,Chien-Ming Tseng,Akiyoshi Hishikawa,Eiji Shigemasa,Eiji Shigemasa,Mitsuru Nagasono,Kensuke Tono,Tadashi Togashi,Hiromichi Ohashi,Hisamichi Kimura,Yasunori Senba,Makina Yabashi,T. Ishikawa +15 more
TL;DR: Shot-by-shot recording of the photoelectron spectra allows simultaneous monitoring of FEL spectrum and the multiphoton process for each FEL pulse, revealing that the two-photon ionization from Ar(+) is significantly enhanced by intermediate resonances in Ar(+).
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Femtosecond two-photon Rabi oscillations in excited He driven by ultrashort intense laser fields
Mizuho Fushitani,Chien-Nan Liu,Akitaka Matsuda,Tomoyuki Endo,Y. Toida,Mitsuru Nagasono,Tadashi Togashi,Makina Yabashi,Tetsuya Ishikawa,Yasumasa Hikosaka,Toru Morishita,Akiyoshi Hishikawa +11 more
TL;DR: In this article, the authors demonstrate a new route to drive two-photon Rabi oscillations on timescales as short as tens of femtoseconds, by utilizing the strong-field phenomenon known as Freeman resonance.
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Acetylene-vinylidene isomerization in ultrashort intense laser fields studied by triple ion-coincidence momentum imaging.
TL;DR: A significantly broad distribution extending to larger momentum angles is observed when the pulse duration is increased to 35 fs, indicating that the ultrafast isomerization to vinylidene is induced in the longer laser pulse.