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作者:Pham V. Hai , Tran P. T. Linh
来源:[J].Journal of the Physical Society of Japan(IF 2.087), 2020, Vol.89 (4)
摘要:First principles calculations are employed to evaluate the crystal structures, electronic properties, optical properties and carrier effective masses of pure and Lanthanum (La) or Gadolinium (Gd) doped bismuth tungstate (Bi2WO6). The calculated results revea...
作者:Karin Matsumoto , Daisuke Ogura , Kazuhiko Kuroki
来源:[J].Journal of the Physical Society of Japan(IF 2.087), 2020, Vol.89 (4)
摘要:We study the spin-fluctuation-mediated s ±-wave superconductivity in the bilayer Hubbard model with vertical and diagonal interlayer hoppings. As in the two-leg ladder model with diagonal hoppings, studied previously by the present authors, superconductivity is strongly enha...
作者:Jun Ohkubo
来源:[J].Journal of the Physical Society of Japan(IF 2.087), 2020, Vol.89 (4)
摘要:A method to direct evaluation of expectations for Langevin systems (stochastic differential equations) is proposed. The method is based on a birth–death process which is derived using combinations of dummy variables and Itô formula. As a pedagogical example, a double-well sy...
作者:Zhizhuo Zhang , Bo Wu
来源:[J].Journal of the Physical Society of Japan(IF 2.087), 2020, Vol.89 (2)JPS
摘要:\((u,v)\)]]> -flowers called Xq -flowers, which have both fractal (or pseudofractal) and scale-free characteristics. Using the tool of probability generating function, we calculate the first and second moments of the first-passage time (FPT), the first return time (FRT...
作者:Hiromu Hamasaki , Yuki Tokumoto , Keiichi Edagawa
来源:[J].Journal of the Physical Society of Japan(IF 2.087), 2020, Vol.89 (2)JPS
摘要:Electrical resistivity measurements were performed for plastically deformed Bi–Sb topological insulators to investigate the formation of one-dimensional gapless states along dislocations, which has been previously discussed theoretically. Micrometer-sized samples were used f...
作者:Takuya Sawano , Takayuki Shiino , Keiichiro Imura ...
来源:[J].Journal of the Physical Society of Japan(IF 2.087), 2020, Vol.89 (1)JPS
摘要:\(\chi (T,x)^{ - 1} = \alpha [T^{\zeta } + \theta _{\text{eff}}^{\zeta }(x)]\)]]> (where α is a constant, ζ 0.7, and θ eff is an effective Weiss temperature) and
作者:Katsumi Itahashi , Hiroshi Shimahara
来源:[J].Journal of the Physical Society of Japan(IF 2.087), 2020, Vol.89 (2)JPS
摘要:The Fulde–Ferrell–Larkin–Ovchinnikov (FFLO) state is systematically examined in a generic model of quasi-one-dimensional (Q1D) type-II superconductors that has six hopping integrals of electrons as model parameters. For a magnetic field parallel to the conductive layers...
作者:Katsumi Hagita , Takahiro Murashima
来源:[J].Journal of the Physical Society of Japan(IF 2.087), 2020, Vol.89 (2)JPS
摘要:We proposed a general method for efficiently recording trajectories of states for analyzing the time correlation functions (TCFs) A ( t ) of arbitrary quantities from short to long times, for computer simulations, to reproduce dynamic behaviors. If the quantities for TCF are...

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