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- The Graduate University for Advanced Studies, SOKENDAIJP142 papers
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- Japan Science and Technology AgencyJP32 papers
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25 papers · 1 filter
Crucial role of fragmented and isolated defects in persistent relaxation of deeply supercooled water
Shinji Saito, Biman Bagchi, Iwao Ohmine
Properties of water have been well elucidated for temperatures above 230 K and yet mysteries remain in the deeply supercooled region. By performing extensive molecular dynami…
Exploration of vitrification of water and Kauzmann entropy through complex specific heat: A journey through 'No Man's Land'
Shinji Saito, Biman Bagchi
Frequency dependent specific heat, introduced by Grest and Nagel, offers valuable insight into the vitrification of supercooled liquid. We calculate this quantity and other thermod…
Nematicity in the pseudogap state of cuprate superconductors revealed by angle-resolved photoemission spectroscopy
S. Nakata, M. Horio, K. Koshiishi +9
The nature of the pseudogap and its relationship with superconductivity are one of the central issues of cuprate superconductors. Recently, a possible scenario has been proposed th…
Spurious violation of the Stokes-Einstein-Debye relation in supercooled water
Takeshi Kawasaki, Kang Kim
The theories of Brownian motion, the Debye rotational diffusion model, and hydrodynamics together provide us with the Stokes--Einstein--Debye (SED) relation between the rotational…
Time-dependent density functional theory for interaction of ultrashort light pulse with thin materials
Shunsuke Yamada, Masashi Noda, Katsuyuki Nobusada +1
We present a comprehensive theoretical description for an irradiation of an ultrashort light pulse normally on thin materials based on first-principles time-dependent density funct…
Ultrafast demagnetization of Pt magnetic moment in L1-FePt probed by hard x-ray free electron laser
Kohei Yamamoto, Yuya Kubota, Motohiro Suzuki +15
We demonstrate ultrafast magnetization dynamics in a 5d transition metal using circularly-polarized x-ray free electron laser in the hard x-ray region. A decay time of light-induce…