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- The Graduate University for Advanced Studies, SOKENDAIJP31 papers
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7 papers · 1 filter
Heavily electron-doped electronic structure and isotropic superconducting gap in AxFe2Se2 (A=K,Cs)
Y. Zhang, L. X. Yang, M. Xu +10
The low energy band structure and Fermi surface of the newly discovered superconductor, AxFe2Se2 (A=K,Cs), have been studied by angle-resolved photoemission spectroscopy. Compared…
Strong electron correlations in FeSb2: An optical investigation and comparison with RuSb2
A. Herzog, M. Marutzky, J. Sichelschmidt +4
We report investigations of the optical properties of the narrow gap semiconductor FeSb2 in comparison with the structural homolog RuSb2. In the infrared region the latter shows in…
Photoinduced coherent oscillations in the one-dimensional two-orbital Hubbard model
Nobuya Maeshima, Ken-ichi Hino, Kenji Yonemitsu
We study photoinduced ultrafast coherent oscillations originating from orbital degrees of freedom in the one-dimensional two-orbital Hubbard model. By solving the time-dependent Sc…
Molecular double core-hole electron spectroscopy for chemical analysis
Motomichi Tashiro, Masahiro Ehara, Hironobu Fukuzawa +4
We explore the potential of double core hole electron spectroscopy for chemical analysis in terms of x-ray two-photon photoelectron spectroscopy (XTPPS). The creation of deep singl…
Multi-time density correlation functions in glass-forming liquids: Probing dynamical heterogeneity and its lifetime
Kang Kim, Shinji Saito
A multi-time extension of a density correlation function is introduced to reveal temporal information about dynamical heterogeneity in glass-forming liquids. We utilize a multi-tim…
Application of the R-matrix method to Photoionization of Molecules
Motomichi Tashiro
The R-matrix method has been used for theoretical calculation of electron collision with atoms and molecules for long years. The method was also formulated to treat photoionization…