Bunkyo University

output

19952026

most citedJWST detection of heavy neutron capture elements in a compact object merger

230 citations

researchers with a paper here

Counting papers with at most 25 authors, so collaboration author lists do not stand in for the people here.

collaborating institutions

Showing cond-mat.str-elShow all

12 papers · 1 filter

cond-mat.str-el2026

Phase diagram of the Kitaev-Heisenberg- $Γ$ model: Classical and quantum magnetism, frustration, and subdominant interactions

Kiyu Fukui, Yukitoshi Motome

The Kitaev spin liquid provides a rare example of exactly solvable quantum spin liquid states. Intensive research over the past two decades has identified a variety of its candidat…

cond-mat.str-el2025★ 3 cited

Metal-insulator transitions in pyrochlore oxides

Yoshinori Tokura, Yukitoshi Motome, Kentaro Ueda

Pyrochlore oxides with chemical formula of A2B2O7 exhibit a diverse range of electronic properties as a representative family of quantum materials. These properties mostly stem fro…

cond-mat.str-el2024★ 7 cited

Spin-orbit-entangled electronic structure of Ba $_{2}$ CaOsO $_{6}$ studied by O $K$ -edge resonant inelastic X-ray scattering

J. Okamoto, G. Shibata, Yu. S. Posonov +9

Transition-metal ions with $5 d^{2}$ electronic configuration in a cubic crystal field are prone to have a vanishing dipolar magnetic moment but finite higher-order multipolar moments…

cond-mat.str-el2024★ 1 cited

Spin dynamics in linear magnetoelectric material Mn $_{3}$ Ta $_{2}$ O $_{8}$

Hodaka Kikuchi, SHunsuke Hasegawa, Shinichiro Asai +5

We performed inelastic neutron scattering experiments on single crystal samples of a linear magnetoelectric material Mn $_{3}$ Ta $_{2}$ O $_{8}$ , which exhibits a collinear antiferroma…

cond-mat.str-el2022★ 12 cited

Magnetic Excitations and Interactions in the Kitaev Hyperhoneycomb Iridate $β$ -Li $_{2}$ IrO $_{3}$

Thomas Halloran, Yishu Wang, Mengqun Li +8

We present a thorough experimental study of the three-dimensional hyperhoneycomb Kitaev magnet $β$ -Li $_{2}$ IrO $_{3}$ , using a combination of inelastic neutron scattering (INS), time-do…

cond-mat.str-el2022★ 11 cited

Thermoelectric signature of quantum critical phase in a doped spin liquid candidate

K. Wakamatsu, Y. Suzuki, T. Fujii +3

Quantum spin liquid is a nontrivial magnetic state of longstanding interest, in which spins are strongly correlated and entangled but do not order1, 2; further intriguing is its do…

cond-mat.str-el2021★ 194 cited

Robustness of the thermal Hall effect close to half-quantization in a field-induced spin liquid state

J. A. N. Bruin, R. R. Claus, Y. Matsumoto +3

Thermal signatures of fractionalized excitations are a fingerprint of quantum spin liquids (QSLs). In the $J_{e f f} = 1/2$ honeycomb magnet $α$ -RuCl $_{3}$ , a QSL state emerges upon appl…

cond-mat.str-el2015

Phase Diagram of the Kitaev-type Model on a Decorated Honeycomb Lattice in the Isolated Dimer Limit

Joji Nasu, Yukitoshi Motome

An effective model in the isolated dimer limit of the Kitaev-type model on a decorated honeycomb lattice is investigated at finite temperature. The ground state of this model is ex…

cond-mat.str-el2008

Mean-Field Analysis of Electric Field Effect on Charge Orders in Organic Conductors

Emi Yukawa, Masao Ogata

In order to investigate charge ordering phenomena under electric field, static nonequilibrium Hartree approximation (SNHA) method is formulated on the basis of the nonequilibrium G…

cond-mat.str-el2006★ 29 cited

Angle-resolved photoemission spectroscopy of perovskite-type transition-metal oxides and their analyses using tight-binding band structure

H. Wadati, T. Yoshida, A. Chikamatsu +6

Nowadays it has become feasible to perform angle-resolved photoemission spectroscopy (ARPES) measurements of transition-metal oxides with three-dimensional perovskite structures ow…

cond-mat.str-el1999

Role of Orbitals in Manganese Oxides - Ordering and Fluctuation

R. Maezono, S. Murakami, N. Nagaosa +3

We study the manganese oxides from the viewpoint of the strongly correlated doped Mott insulator. The magnetic ordering and the charge transport are governed by the orbital degrees…

cond-mat.str-el1998

Phase Diagram in Manganese Oxides

Ryo Maezono, Sumio Ishihara, Naoto Nagaosa

We study theoretically the phase diagram of perovskite manganites taking into account the double degeneracy of the $e_{g}$ orbitals in a $M n^{3 +}$ ion. A rich phase diagram is obtain…

Phase diagram of the Kitaev-Heisenberg-Γ model: Classical and quantum magnetism, frustration, and subdominant interactions