1k citations
Counting papers with at most 25 authors, so collaboration author lists do not stand in for the people here.
- The Graduate University for Advanced Studies, SOKENDAIJP143 papers
- National Institutes of Natural SciencesJP76 papers
- The University of TokyoJP75 papers
- The University of OsakaJP59 papers
- Kyoto UniversityJP52 papers
- Tohoku UniversityJP46 papers
- Japan Science and Technology AgencyJP32 papers
- Nagoya UniversityJP30 papers
- Hiroshima UniversityJP27 papers
- High Energy Accelerator Research OrganizationJP26 papers
- RIKENJP26 papers
- Tokyo Institute of TechnologyJP26 papers
134 papers · 1 filter
Fragility of Topology under Electronic Correlations in Iron Chalcogenides
Younsik Kim, Junseo Yoo, Sehoon Kim +5
The interplay between electronic correlations and topology is a central topic in the study of quantum materials. In this work, we investigate the impact of the orbital-selective Mo…
Evidence for energy-dependent scattering dominating thermoelectricity in heavy fermion systems
Daiki Goto, Kentaro Kuga, Kiyohisa Tanaka +2
In the field of thermoelectric materials and devices, improving energy conversion efficiency remains a long-standing challenge. As a promising approach to address this issue, utili…
Photo-induced phase transition on black samarium monosulfide
Hiroshi Watanabe, Yusuke Takeno, Yusuke Negoro +14
To investigate the role of the excitons for the origin of the pressure-induced phase transition (BGT) from the black-colored insulator (BI) to the golden-yellow-colored metal (GM)…
Unified description of electronic orderings and cross correlations by complete multipole representation
Satoru Hayami, Hiroaki Kusunose
We overview recent developments of electronic orderings and associated cross correlations in condensed matter physics based on a complete set of multipole representations (electric…
Anisotropic Non-Fermi Liquid and Dynamical Planckian Scaling of a Quasi-Kagome Kondo Lattice System
Shin-ichi Kimura, Muhammad Frassetia Lubis, Hiroshi Watanabe +2
At the quantum critical point of correlated materials, a non-Fermi liquid state appears where electron correlations continuously develop to very low temperatures. The relaxation ti…
Analysis of photo-induced chirality and magnetic toroidal moment based on Floquet formalism
Satoru Hayami, Ryota Yambe, Hiroaki Kusunose
We analyze the condition of photo-induced atomic-scale chirality and magnetic toroidal moment. By performing a high-frequency expansion in the Floquet formalism, we derive an effec…
4 electron temperature driven ultrafast electron localization
Kohei Yamagami, Hiroki Ueda, Urs Staub +9
Valence transitions in strongly correlated electron systems are caused by orbital hybridization and Coulomb interactions between localized and delocalized electrons. The transition…
Influence of oxygen-coordination number on the electronic structure of single-layer La-based cuprates
M. Horio, X. Peiao, M. Miyamoto +12
We present an angle-resolved photoemission spectroscopy study of the single-layer T*-type structured cuprate SmLaSrCuO with unique five-fold pyramidal oxygen coordi…
Two-dimensional heavy fermion in a monoatomic-layer Kondo lattice YbCu
Takuto Nakamura, Hiroki Sugihara, Yitong Chen +6
The Kondo effect between localized -electrons and conductive carriers leads to exotic physical phenomena. Among them, heavy-fermion (HF) systems, in which massive effective carr…
Unconventional Hall effect and magnetoresistance induced by metallic ferroaxial ordering
Satoru Hayami, Rikuto Oiwa, Hiroaki Kusunose
Transport property under metallic ferroaxial ordering in an external magnetic field is theoretically investigated. After presenting the relation between the magnetoconductivity ten…
Time-reversal switching responses in antiferromagnets
Satoru Hayami, Hiroaki Kusunose
We propose emergent time-reversal switching responses in antiferromagnets, which is triggered by an accompanying magnetic toroidal monopole, i.e., time-reversal odd scalar distinct…
Chiral charge as hidden order parameter in URuSi
Satoru Hayami, Hiroaki Kusunose
We propose a chiral charge (electric toroidal monopole) as the hidden order parameter in URuSi, which satisfies all the symmetry conditions accumulated by many experime…
Observation of Electronic Structure Modification in the Hidden Order Phase of CeCoSi
Shin-ichi Kimura, Hiroshi Watanabe, Shingo Tatsukawa +1
CeCoSi with no local inversion symmetric crystal structure () exhibits a phase transition of unknown origin (Hidden Order: HO) at about 12 K () above the antiferromagn…
Current-Induced Metallization and Valence Transition in Black SmS
Shin-ichi Kimura, Hiroshi Watanabe, Shingo Tatsukawa +4
A strongly-correlated insulator, samarium mono-sulfide (SmS), presents not only the pressure-induced insulator-to-metal transition (IMT) with the color change from black to golden-…
Magnetic Properties of Multifunctional LiFePO under Hydrostatic Pressure
Ugne Miniotaite, Ola Kenji Forslund, Elisabetta Nocerino +12
LiFePO (LFPO) is an archetypical and well-known cathode material for rechargeable Li-ion batteries. However, its quasi-one-dimensional (Q1D) structure along with the Fe ions, L…
Spin-charge coupling and decoupling in perovskite-type iron oxides (SrBa)LaFeO
Masaho Onose, Hidefumi Takahashi, Takashi Saito +10
The perovskite-type iron oxide SrLaFeO is known to show characteristic spin-charge ordering (SCO), where sixfold collinear spin ordering and threefold charge or…
Surface valence transition in SmS by alkali metal adsorption
Takuto Nakamura, Toru Nakaya, Yoshiyuki Ohtsubo +9
The electronic structure changes of SmS surfaces under potassium (K) doping are elucidated using synchrotron-based core-level photoelectron spectroscopy and angle-resolved photoele…
Observation of the bands with orbital character near the Fermi level in NdFeAsPOF using angle-resolved photoemission spectroscopy
Z. H. Tin, T. Adachi, A. Takemori +6
We studied the band structure of NdFeAsPOF ( = 0, 0.2, 0.4 and 0.6) using angle-resolved photoemission spectroscopy (ARPES) measurements. Two of th…
Breakdown of bulk-projected isotropy in surface electronic states of topological Kondo insulator SmB(001)
Yoshiyuki Ohtsubo, Toru Nakaya, Takuto Nakamura +4
The topology and spin-orbital polarization of two-dimensional (2D) surface electronic states have been extensively studied in this decade. One major interest in them is their close…
Simultaneous Control of Bandfilling and Bandwidth in Electric Double-Layer Transistor Based on Organic Mott Insulator -(BEDT-TTF)Cu[N(CN)]Cl
Yoshitaka Kawasugi, Hiroshi M. Yamamoto
The physics of quantum many-body systems have been studied using bulk correlated materials, and recently, moiré superlattices formed by atomic bilayers have appeared as a novel pla…
Unconventional Superconductivity in UTe2
D. Aoki, J. -P. Brison, J. Flouquet +4
The novel spin-triplet superconductor candidate UTe2 was discovered only recently at the end of 2018 and attracted enormous attention. We review key experimental and theoretical pr…
Optical study on electronic structure of the locally non-centrosymmetric CeRhAs
Shin-ichi Kimura, Jörg Sichelschmidt, Seunghyun Khim
The electronic structures of the heavy-fermion superconductor CeRhAs with the local inversion symmetry breaking and the reference material LaRhAs have been investig…
Magnetic Properties under Pressure in Novel Spin-Triplet Superconductor UTe2
Dexin Li, Ai Nakamura, Fuminori Honda +8
We report the magnetic susceptibility and the magnetization under pressures up to 1.7GPa above the critical pressure, Pc ~ 1.5GPa, for H // a, b, c-axes in the novel spin triplet s…
Photoinduced Transient States of Antiferromagnetic Orderings in LaSrFeO and SrFeO Thin Films Observed through Time-resolved Resonant Soft X-ray Scattering
Kohei Yamamoto, Tomoyuki Tsuyama, Suguru Ito +12
The relationship between the magnetic interaction and photoinduced dynamics in antiferromagnetic perovskites is investigated in this study. In LaSrFeO t…