日本物理学会
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作者:Hiroki Nakano , Tôru Sakai
来源:[J].Journal of the Physical Society of Japan(IF 2.087), 2017, Vol.86 (11)JPS
摘要:An S = 1/2 triangular-lattice Heisenberg antiferromagnet with next-nearest-neighbor (NNN) interactions is investigated under a magnetic field by the numerical-diagonalization method. It is known that, in both cases of weak and strong NNN interactions, this system reveals a magnet...
作者:Yuto Hosaka , Kento Yasuda , Isamu Sou ...
来源:[J].Journal of the Physical Society of Japan(IF 2.087), 2017, Vol.86 (11)JPS
摘要:We discuss the directional motion of an elastic three-sphere micromachine in which the spheres are in equilibrium with independent heat baths having different temperatures. Even in the absence of prescribed motion of springs, such a micromachine can gain net motion purely because...
作者:Rasoul Ghadimi , Takanori Sugimoto , Takami Tohyama
来源:[J].Journal of the Physical Society of Japan(IF 2.087), 2017, Vol.86 (11)JPS
摘要:We theoretically study a Kitaev chain with a quasiperiodic potential, where the quasiperiodicity is introduced by a Fibonacci sequence. Based on an analysis of the Majorana zero-energy mode, we find the critical p -wave superconducting pairing potential separating a topologi...
作者:Masahiro Ochiai , Kouichi Seki , Kouichi Okunishi
来源:[J].Journal of the Physical Society of Japan(IF 2.087), 2017, Vol.86 (11)JPS
摘要:The coupled spin tube system, which is equivalent to a stacked Kagome-triangular spin system, exhibits the cuboc order — a non-coplanar spin order with a twelve-sublattice structure accompanying spontaneous breaking of the translational symmetry — in the Kagome-triangular pl...
作者:Yosuke Sasama , Takahide Yamaguchi , Masashi Tanaka ...
来源:[J].Journal of the Physical Society of Japan(IF 2.087), 2017, Vol.86 (11)JPS
摘要:We fabricated ionic-liquid-gated field-effect transistors on the hydrogen-terminated (111)-oriented surface of undoped silicon. Ion implantation underneath electrodes leads to good ohmic contacts, which persist at low temperatures down to 1.4 K. The sheet resistance of the c...
作者:Ryota Mizuno , Masayuki Ochi , Kazuhiko Kuroki
来源:[J].Journal of the Physical Society of Japan(IF 2.087), 2017, Vol.86 (11)JPS
摘要:Recent experiments revealed a striking asymmetry in the phase diagram of the high temperature cuprate superconductors. The correlation effect seems strong in the hole-doped systems and weak in the electron-doped systems. On the other hand, a recent theoretical study shows th...
作者:Takashi Nagatani , Genki Ichinose , Kei-ichi Tainaka
来源:[J].Journal of the Physical Society of Japan(IF 2.087), 2017, Vol.86 (11)JPS
摘要:We present an epidemic model combined with a traffic cellular automaton. Each agent or individual is either susceptible (S) or infected (I). An agent with a certain density moves to a fixed direction on one-dimensional lattice. Simulations for SIS model show that the epidemi...
作者:Tetsuya Fukushima , Hiroshi Katayama-Yoshida , Kazunori Sato ...
来源:[J].Journal of the Physical Society of Japan(IF 2.087), 2017, Vol.86 (11)JPS
摘要:High entropy alloys show a variety of fascinating properties like high hardness, wear resistance, corrosion resistance, etc. They are random solid solutions of many components with rather high concentrations. We perform ab-initio calculations for the high entropy alloy CrFeC...
作者:Takahiko Ban , Yuya Kobayashi , Ryuta Suzuki ...
来源:[J].Journal of the Physical Society of Japan(IF 2.087), 2017, Vol.86 (10)JPS
摘要:Many experimental studies have shown that changes in the interfacial tension trigger the self-propulsion of active liquid matter. It is widely believed that for the self-propulsion of a liquid droplet, the interfacial spontaneous convection generated by the Marangoni effect is re...

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