From the 1 of 334 papers with an AI index.
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- Japan Atomic Energy AgencyJP295 papers
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10 papers · 1 filter
Magnetic Excitations of Spin Nematic State in Frustrated Ferromagnetic Chain
Hiroaki Onishi
By exploiting density-matrix renormalization group techniques, we investigate the dynamical spin structure factor of a spin-1/2 Heisenberg chain with ferromagnetic nearest-neighbor…
Effects of magnetic anisotropy on spin dynamics of ferromagnetic frustrated chain
Hiroaki Onishi
By exploiting density-matrix renormalization group techniques, we investigate the spin dynamics of a spin-1/2 one-dimensional J1-J2 XXZ model with competing ferromagnetic J1 and an…
Superconductivity in MgPtSi: An orthorhombic variant of MgB2
Kazutaka Kudo, Kazunori Fujimura, Seiichiro Onari +2
A ternary compound, MgPtSi, was synthesized by solid-state reaction. An examination of the compound by powder X-ray diffraction revealed that it crystallizes in the orthorhombic Ti…
Electronic structures of ferromagnetic superconductors and studied by angle-resolved photoelectron spectroscopy
Shin-ichi Fujimori, Takuo Ohkochi, Ikuto Kawasaki +9
The electronic structures of the ferromagnetic superconductors and in the paramagnetic phase were studied by angle-resolved photoelectron spectros…
Empirical description of beta-delayed fission partial half-lives
L. Ghys, AN. Andreyev, S. Antalic +2
Background: The process of beta-delayed fission (bDF) provides a versatile tool to study low-energy fission in nuclei far away from the beta-stability line, especially for nuclei w…
Quantum Field Theoretic Treatment of Pion Production via Proton Synchrotron Radiation in Strong Magnetic Fields: Effects of Landau Levels
Tomoyuki Maruyama, Myung-Ki Cheoun, Toshitaka Kajino +3
We study pion production from proton synchrotron radiation in the presence of strong magnetic fields. We derive the exact proton propagator from the Dirac equation in a strong magn…