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作者:Usman Saeed , Hamid Saleem , Shaukat Ali Shan
来源:[J].Journal of the Physical Society of Japan(IF 2.087), 2018, Vol.87 (1)JPS
摘要:Shear-flow-driven instability and a modified nonlinear dust acoustic wave (mDAW) are investigated in a dusty plasma. In the nonlinear regime a one dimensional mDAW produces pulse-type solitons and in the two-dimensional case, the dipolar vortex solutions are obtained. This i...
作者:Ryousuke Shiina
来源:[J].Journal of the Physical Society of Japan(IF 2.087), 2018, Vol.87 (1)JPS
摘要:The Fermi-liquid properties of a two-orbital impurity Anderson model with an f 2 local singlet ground state is studied by the numerical renormalization group method. It is shown that a heavy-fermion (HF) state with a vanishingly small Wilson ratio is realized in the vi...
作者:Soshi Yoshinaga , Yoshifuru Mitsui , Rie Y. Umetsu ...
来源:[J].Journal of the Physical Society of Japan(IF 2.087), 2018, Vol.87 (1)JPS
摘要:The Pressure effect on the magnetic properties of the weak itinerant electron ferromagnet CrAlGe was investigated at pressures up to 1.0 GPa. The spontaneous magnetic moment p s and Curie temperature T C decreased with increasing applied pressure P . Th...
作者:Hiroshi Ota , Masaru Shimomura , Fumihiko Matsui
来源:[J].Journal of the Physical Society of Japan(IF 2.087), 2018, Vol.87 (1)JPS
摘要:The electronic structure of the rutile TiO2(110) surface passivated with pyrrolidine dithiocarbamate (PDTC) was investigated by depth-resolved Ti L -edge X-ray absorption spectroscopy. We measured a series of Ti LMM Auger electron angular distributions as a functi...
作者:Hiroki Saito , Masaya Kato
来源:[J].Journal of the Physical Society of Japan(IF 2.087), 2018, Vol.87 (1)JPS
摘要:We have developed a variational method to obtain many-body ground states of the Bose–Hubbard model using feedforward artificial neural networks. A fully connected network with a single hidden layer works better than a fully connected network with multiple hidden layers, and ...
作者:Tsubasa Okamoto , Eiji Ohmichi , Susumu Okubo ...
来源:[J].Journal of the Physical Society of Japan(IF 2.087), 2018, Vol.87 (1)JPS
摘要:The zero-field splitting (ZFS) parameters of Fe(III) protoporphyrin IX chloride, or hemin, a model substance of hemoproteins, were determined precisely by high-field and high-frequency electron paramagnetic resonance (HFEPR). From multi-frequency measurements up to 700 GHz, ...
作者:Anlu Shi , Takeshi Arai , Shunsaku Kitagawa ...
来源:[J].Journal of the Physical Society of Japan(IF 2.087), 2018, Vol.87 (1)JPS
摘要:We conducted 77Se-nuclear magnetic resonance studies of the iron-based superconductor FeSe in magnetic fields of 0.6 to 19 T to investigate the superconducting and normal-state properties. The nuclear spin–lattice relaxation rate divided by the temperature ( T ...
作者:Shunsaku Kitagawa , Ryoichi Takaki , Masahiro Manago ...
来源:[J].Journal of the Physical Society of Japan(IF 2.087), 2018, Vol.87 (1)JPS
摘要:We have performed 27Al-NMR measurements on single-crystalline UPd2Al3 with the field parallel to the c -axis to investigate the superconducting (SC) properties near the upper critical field of superconductivity H c2. The broadening...
作者:Kazuyuki Matsuhira , Kazuma Nakamura , Yuki Yasukuni ...
来源:[J].Journal of the Physical Society of Japan(IF 2.087), 2018, Vol.87 (1)JPS
摘要:We report the discovery of nonlinear conductivity along the c -axis in a single crystal of Ca5Ir3O12, which indicates a semiconducting behavior with a narrow band gap of ∼0.2 eV. The resistivity decreases with increase in the applied current....
作者:Masayuki Ohzeki , Yuta Kudo , Kazuyuki Tanaka
来源:[J].Journal of the Physical Society of Japan(IF 2.087), 2018, Vol.87 (1)JPS
摘要:Most of the analytical studies on spin glasses are performed by using mean-field theory and renormalization group analysis. Analytical studies on finite-dimensional spin glasses are very challenging. In this short note, a possible extension of the approaches on the phase transiti...

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