Search Results - "Kazuhide Ichikawa"

Crystal Structure Generation Based on Polyhedra Using Dual Periodic Graphs by Yokoyama, Tomoyasu, Ichikawa, Kazuhide, Naito, Hisashi

“…Crystal structure design is important for the discovery of new highly functional materials because the crystal structure strongly influences material…”
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Experimental Analysis on the Mechanisms of Singular Point Generation in InSAR by Employing Scaled Optical Interferometry by Fujinami, Shunichiro, Natsuaki, Ryo, Ichikawa, Kazuhide, Hirose, Akira

“…Interferograms obtained in interferometric synthetic aperture radar (InSAR) often suffer from decorrelation and singular points (SPs) originating from thermal…”
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Myopericarditis After COVID-19 mRNA Vaccination by Sakaguchi, Shintaro, Fujimoto, Naoki, Ichikawa, Kazuhide, Izumi, Daisuke, Katsuta, Koji, Takafuji, Masafumi, Imanaka-Yoshida, Kyoko, Dohi, Kaoru

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Accelerating optimal elemental configuration search in crystal using Ising machine by Ichikawa, Kazuhide, Ohuchi, Satoru, Ueno, Koki, Yokoyama, Tomoyasu

“…This research demonstrates that Ising machines can effectively solve optimal elemental configuration searches in crystals, with Au-Cu alloys serving as an…”
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Prognostic Impact of Peak Aortic Jet Velocity on Patients With Acute Myocardial Infarction by Mizutani, Hana, Fujimoto, Naoki, Ito, Hiromasa, Sato, Toru, Moriwaki, Keishi, Takasaki, Akihiro, Ogihara, Yoshito, Kasuya, Shogo, Mori, Tatsuya, Tanimura, Muneyoshi, Goto, Itaru, Ichikawa, Kazuhide, Masuda, Jun, Sawai, Toshiki, Kurita, Tairo, Tanigawa, Takashi, Dohi, Kaoru

“…Background: Aortic valve stenosis (AS) leads to increased cardiovascular mortality and morbidity, and recent studies reported that even mild-to-moderate AS was…”
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Deep variational quantum eigensolver for excited states and its application to quantum chemistry calculation of periodic materials by Mizuta, Kaoru, Fujii, Mikiya, Fujii, Shigeki, Ichikawa, Kazuhide, Imamura, Yutaka, Okuno, Yukihiro, Nakagawa, Yuya O.

“…A programmable quantum device that has a large number of qubits without fault-tolerance has emerged recently. Variational quantum eigensolver (VQE) is one of…”
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Theoretical study of atoms by the electronic kinetic energy density and stress tensor density by Nozaki, Hiroo, Ichikawa, Kazuhide, Tachibana, Akitomo

“…The electronic structure of atoms in the first, second, and third periods were analyzed using the electronic kinetic energy density and stress tensor density,…”
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Theoretical study of lithium ionic conductors by electronic stress tensor density and electronic kinetic energy density by Nozaki, Hiroo, Fujii, Yosuke, Ichikawa, Kazuhide, Watanabe, Taku, Aihara, Yuichi, Tachibana, Akitomo

“…We analyze the electronic structure of lithium ionic conductors, Li3PO4 and Li3PS4, using the electronic stress tensor density and kinetic energy density with…”
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Computational method for the retarded potential in the real-time simulation of quantum electrodynamics by Fukuda, Masahiro, Naito, Kento, Ichikawa, Kazuhide, Tachibana, Akitomo

“…We discuss the method to compute the integrals, which appear in the retarded potential term for a real‐time simulation based on quantum electrodynamics. We…”
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Tension density as counter force to the Lorentz force density by Nozaki, Hiroo, Senami, Masato, Ichikawa, Kazuhide, Tachibana, Akitomo

“…It is confirmed numerically that the tension density defined in quantum field theory is the counter force to the Lorentz force density. We take benzenedithiol…”
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Study of simulation method of time evolution in rigged QED by Ichikawa, Kazuhide, Fukuda, Masahiro, Tachibana, Akitomo

“…We discuss how we formulate time evolution of physical quantities in the framework of the Rigged quantum electrodynamics (QED). The Rigged QED is a theory…”
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Measuring the history of cosmic reionization using the 21-cm probability distribution function from simulations by Ichikawa, Kazuhide, Barkana, Rennan, Iliev, Ilian T., Mellema, Garrelt, Shapiro, Paul R.

“…The 21-cm probability distribution function (PDF; i.e. distribution of pixel brightness temperatures) is expected to be highly non-Gaussian during reionization…”
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Dynamical picture of spin Hall effect based on quantum spin vorticity theory by Fukuda, Masahiro, Ichikawa, Kazuhide, Senami, Masato, Tachibana, Akitomo

“…It is proposed that the dynamical picture of the spin Hall effect can be explained as the generation of the spin vorticity by the applied electric field on the…”
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Short-term effects of low-dose tolvaptan on hemodynamic parameters in patients with chronic heart failure by Watanabe, Kiyotaka, MD, Dohi, Kaoru, MD, PhD, FJCC, Sugimoto, Tadafumi, MD, PhD, Yamada, Tomomi, PhD, Sato, Yuichi, MD, Ichikawa, Kazuhide, MD, Sugiura, Emiyo, MD, PhD, Kumagai, Naoto, MD, Nakamori, Shiro, MD, Nakajima, Hiroshi, MD, PhD, Hoshino, Kozo, MD, PhD, Machida, Hirofumi, MD, PhD, Okamoto, Shinya, MD, PhD, Onishi, Katsuya, MD, PhD, Nakamura, Mashio, MD, PhD, FJCC, Nobori, Tsutomu, MD, PhD, Ito, Masaaki, MD, PhD, FJCC

“…Abstract Background We evaluated the short-term effects of low-dose tolvaptan treatment on hemodynamic parameters in patients with chronic heart failure (HF)…”
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Left Ventricular Contraction-Relaxation Coupling in Normal, Hypertrophic, and Failing Myocardium Quantified by Speckle-Tracking Global Strain and Strain Rate Imaging by Takamura, Takeshi, MD, Dohi, Kaoru, MD, Onishi, Katsuya, MD, Tanabe, Masaki, MD, Sugiura, Emiyo, MD, Nakajima, Hiroshi, MD, Ichikawa, Kazuhide, MD, Nakamura, Mashio, MD, Nobori, Tsutomu, MD, Ito, Masaaki, MD

“…Objective The aim of this study was to noninvasively quantify global left ventricular (LV) contraction and relaxation, and to investigate their relationship in…”
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Theoretical study of lithium clusters by electronic stress tensor by Ichikawa, Kazuhide, Nozaki, Hiroo, Komazawa, Naoya, Tachibana, Akitomo

“…We study the electronic structure of small lithium clusters Li n (n = 2 ∼ 8) using the electronic stress tensor. We find that the three eigenvalues of the…”
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Ventricular Function and Dyssynchrony Quantified by Speckle-Tracking Echocardiography in Patients with Acute and Chronic Right Ventricular Pressure Overload by Ichikawa, Kazuhide, MD, Dohi, Kaoru, MD, PhD, Sugiura, Emiyo, MD, PhD, Sugimoto, Tadafumi, MD, PhD, Takamura, Takeshi, MD, PhD, Ogihara, Yoshito, MD, Nakajima, Hiroshi, MD, PhD, Onishi, Katsuya, MD, PhD, Yamada, Norikazu, MD, PhD, Nakamura, Mashio, MD, PhD, Nobori, Tsutomu, MD, PhD, Ito, Masaaki, MD, PhD

“…Background The aim of this study was to noninvasively investigate right ventricular and left ventricular (LV) adaptation to right ventricular pressure overload…”
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Reactivity and Regioselectivity of Aluminum Nanoclusters: Insights from Regional Density Functional Theory by Henry, David J, Szarek, Paweł, Hirai, Kosuke, Ichikawa, Kazuhide, Tachibana, Akitomo, Yarovsky, Irene

“…The structure and bonding in charged and doped aluminum clusters have been investigated using Regional Density Functional Theory (RDFT). The RDFT method…”
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Theoretical study of hydrogenated tetrahedral aluminum clusters by Ichikawa, Kazuhide, Ikeda, Yuji, Wagatsuma, Ayumu, Watanabe, Kouhei, Szarek, Paweł, Tachibana, Akitomo

“…We report on the structures of aluminum hydrides derived from a tetrahedral aluminum (Al4) cluster using ab initio quantum chemical calculation. Our…”
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Inverted-sandwich-type and open-lantern-type dinuclear transition metal complexes: theoretical study of chemical bonds by electronic stress tensor by Ichikawa, Kazuhide, Wagatsuma, Ayumu, Kurokawa, Yusaku I., Sakaki, Shigeyoshi, Tachibana, Akitomo

“…We study the electronic structure of two types of transition metal complexes, the inverted-sandwich-type and open-lantern-type, by the electronic stress…”
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