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- The Graduate University for Advanced Studies, SOKENDAIJP53 papers
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9 papers · 1 filter
Ultrafast Quantum-path Interferometry Revealing the Generation Process of Coherent Phonons
Kazutaka G. Nakamura, Kensuke Yokota, Yuki Okuda +5
Optical dual-pulse pumping actively creates quantum-mechanical superposition of the electronic and phononic states in a bulk solid. We here made transient reflectivity measurements…
Two-dimensional ground-state mapping of a Mott-Hubbard system in a flexible field-effect device
Yoshitaka Kawasugi, Kazuhiro Seki, Satoshi Tajima +5
A Mott insulator sometimes induces unconventional superconductivity in its neighbors when doped and/or pressurized. Because the phase diagram should be strongly related to the micr…
Diffusion dynamics of supercooled water modeled with the cage-jump motion and hydrogen-bond rearrangement
Takuma Kikutsuji, Kang Kim, Nobuyuki Matubayasi
The slow dynamics of glass-forming liquids is generally ascribed to the cage-jump motion. In the cage-jump picture, a molecule remains in a cage formed by neighboring molecules, an…
Effect of Cu intercalation and pressure on excitonic interaction in 1T-TiSe2
Shunsuke Kitou, Akitoshi Nakano, Shintaro Kobayashi +9
1T-TiSe2 has a semimetallic band structure at room temperature and undergoes phase transition to a triple-q charge density wave (CDW) state with a commensurate superlattice structu…
Theory of standing spin waves in finite-size chiral spin soliton lattice
J. Kishine, Vl. E. Sinitsyn, I. G. Bostrem +4
We present a theory of standing spin wave (SSW) in a monoaxial chiral helimagnet. Motivated by experimental findings on the magnetic field-dependence of the resonance frequency in…
Temperature dependence of the electronic structure of A-site ordered perovskite CaCuTiO: Angle-integrated and -resolved photoemission studies
H. J. Im, T. Sakurada, M. Tsunekawa +3
We have investigated the electronic structure of A-site ordered CaCuTiO as a function of temperature by using angle-integrated and -resolved photoemission spectrosco…