547 citations
- National Astronomical Observatory of JapanJP56 papers
- The University of TokyoJP44 papers
- Max Planck Institute for Gravitational PhysicsDE33 papers
- Nagoya UniversityJP28 papers
- Niigata UniversityJP28 papers
- The Graduate University for Advanced Studies, SOKENDAIJP28 papers
- University of ToyamaJP28 papers
- Kyoto UniversityJP27 papers
- National Tsing Hua UniversityTW27 papers
- Tamkang UniversityTW27 papers
- Beijing Normal UniversityCN26 papers
- California Institute of TechnologyUS26 papers
5 papers · 1 filter
Monte Carlo study on critical exponents of the classical Heisenberg model in ferromagnetic icosahedral quasicrystal
Shinji Watanabe, Tsunetomo Yamada, Hiroyuki Takakura +1
Quasicrystals (QCs) lack three-dimensional periodicity of atomic arrangement but possess long-range structural order, which are distinct from periodic crystals and random systems.…
Generalization of the Affleck-Kennedy-Lieb-Tasaki Model for Quantum Ferromagnetism
Isao Maruyama, Shin Miyahara
We study a spin- ferromagnetic model with exactly-written ground states, known as the partially-magnetized valence bond solid (VBS) states with magnetization , which…
Ferromagnetic Haldane state and dimer multiplet state of quantum ferromagnets
Shin Miyahara, Isao Maruyama
We present a theory of the realization of a ferromagnetic Haldane state in a spin-2 bilinear-biquadratic spin system on an orthogonal-dimer chain. The coexistence of a ferromagneti…
Theory of Fractionally-magnetized Quantum Ferromagnet
Isao Maruyama, Shin Miyahara
We present a theory to realize entangled quantum spin states with fractional magnetization. The origin of magnetization reduction is partly emergent antiferromagnetism, that is, sp…
Direct coupling of ferromagnetic moment and ferroelectric polarization in BiFeO
Shiro Kawachi, Shin Miyahara, Toshimitsu Ito +4
The spin-driven component of electric polarization in a single crystal of multiferroic BiFeO was experimentally investigated in pulsed high magnetic fields up to 41 T. Sequen…