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- The University of TokyoJP13 papers
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156 papers
Semiclassical thermoelectric transport in disordered Dirac electron system Ag2Te
Kentaro Kuga, Keisuke Hirata, Daiki Goto +3
We investigated the thermoelectric effects of the Dirac electron system Ag2Te under magnetic field. Our anal-ysis based on the Boltzmann semiclassical model associated the disorder…
Human-in-the-loop Adaptation in Group Activity Feature Learning for Team Sports Video Retrieval
Chihiro Nakatani, Hiroaki Kawashima, Norimichi Ukita
This paper proposes human-in-the-loop adaptation for Group Activity Feature Learning (GAFL) without group activity annotations. This human-in-the-loop adaptation is employed in a g…
Watt-level ultrafast 1.75 μm laser system based on thulium-doped core and terbium-doped cladding fluoride fibers
Dina Grace Banguilan, Yuto Iye, Kazuhiko Ogawa +2
We report watt-level femtosecond pulses in the 1.75 m region using a thulium-doped core, terbium-doped cladding fluoride (Tm:Tb:ZBLAN) fiber laser system. The seed pulse is gene…
and root- deformations in four-dimensional Chern-Simons theory
Jun-ichi Sakamoto, Roberto Tateo, Masahito Yamazaki
The four-dimensional Chern-Simons (CS) theory provides a systematic procedure for realizing two-dimensional integrable field theories. It is therefore a natural question to ask whe…
Trans-scale spin Seebeck effect in nanostructured bulk composites based on magnetic insulator
Sang J. Park, Keisuke Hirata, Hossein Sepehri-Amin +3
The spin Seebeck effect (SSE) enables thermoelectric conversion through thermally generated spin currents in magnetic materials, offering a promising transverse geometry for scalab…
Evidence for energy-dependent scattering dominating thermoelectricity in heavy fermion systems
Daiki Goto, Kentaro Kuga, Kiyohisa Tanaka +2
In the field of thermoelectric materials and devices, improving energy conversion efficiency remains a long-standing challenge. As a promising approach to address this issue, utili…