CEMS Symposium on Trends in Condensed Matter Physics

CEMS Symposium on
Trends in Condensed
Matter Physics

November 6-8, 2017
Saitama, Japan




[ Nov. 6 (Monday) ] [ Nov. 7 (Tuesday) ] [ Nov. 8 (Wednesday) ] [ Poster Session ]

November 6 (Monday)

Morning Session
(Chair: D. I. Khomskii)
10:00 - 10:10Opening
10:10 - 10:50Stuart S.P. Parkin (MPI Halle)
“Chiral domain walls and magnetic anti-skyrmions”
10:50 - 11:10Yasujiro Taguchi (RIKEN CEMS)
“Skyrmions at zero field and above room temperature”
11:10 - 11:30Coffee Break
(Chair: M. Fiebig)
11:30 - 12:10Vincent Cros (Unité Mixte de Physique CNRS/Thales)
“Room temperature nucleation, electrical detection and spin torque induced motion of magnetic skyrmions in magnetic multilayers”
12:10 - 12:40Yoshinori Tokura (RIKEN CEMS & The University of Tokyo)
“Dynamical responses from magnetic skyrmions and monopoles”
12:40 - 14:00Lunch Break
Afternoon Session
(Chair: S.S.P. Parkin)
14:00 - 14:40Daniel I. Khomskii (University of Cologne)
“Orbital-selective effects in transition metal compounds: “molecules” in solids against magnetism”
14:40 - 14:55Shingo Toyoda (RIKEN CEMS)
“Direction dependent luminescence in CuB2O4
14:55 - 15:25Takuya Satoh (Kyushu University)
“Optical excitation of magnons in antiferromagnets”
15:25 - 15:45Coffee Break
(Chair: Y. Taguchi)
15:45 - 16:25Manfred Fiebig (ETH Zürich)
“Dynamic quantum-criticality of heavy fermions”
16:25 - 16:40Vilmos Kocsis (RIKEN CEMS)
“Electric field control of magnetization in Y-type hexaferrite single crystals close to room temperature”
16:40 - 17:00Taka-hisa Arima (The University of Tokyo & RIKEN CEMS)
“Toward resonant soft x-ray magnetization imaging”
17:00 - 17:10Break
Poster Preview Session
(Chair: T. Arima)
17:10 - 18:40Program of Poster Session

November 7 (Tuesday)

Morning Session
(Chair: S. Ishihara)
9:30 - 10:10Christian Pfleiderer (Technische Universität München)
“Stability and emergent electrodynamics of skyrmions”
10:10 - 10:25Taro Nakajima (RIKEN CEMS)
“Flexibility and stability of magnetic skyrmion lattice under rotating magnetic field in equilibrium and metastable states”
10:25 - 10:55Yoshihiko Togawa (Osaka Prefecture University)
“Phase coherence of chiral soliton lattice in chiral magnetic crystals”
10:55 - 11:15Coffee Break
(Chair: S. Picozzi)
11:15 - 11:45Katsuya Shimizu (Osaka University)
“Superconductivity and structural studies of highly compressed sulfur hydride systems”
11:45 - 12:05Ryotaro Arita (RIKEN CEMS)
“Superconductivity in topological materials: Insights from superconducting density functional theory”
12:05 - 12:35Masatoshi Sato (Kyoto University)
“Superconducting topological materials”
12:35 - 13:30Lunch Break
Poster Session
13:30 - 15:20Program of Poster Session
15:20 - 15:30Break
Afternoon Session
(Chair: C. Pfleiderer)
15:30 - 16:00Sumio Ishihara (Tohoku University)
“Ultrafast photoinduced dynamics in correlated electron magnet”
16:00 - 16:15Masao Nakamura (RIKEN CEMS)
“Photovoltaic effect of topological origin observed in narrow-gap ferroelectric materials”
16:15 - 16:35Naoki Ogawa (RIKEN CEMS)
“Directional photocontrol of electron & spin”
16:35 - 16:55Coffee Break
(Chair: M. Sato)
16:55 - 17:15Naoto Nagaosa (RIKEN CEMS & The University of Tokyo)
“Nonreciprocal responses in solids”
17:15 - 17:55Silvia Picozzi (CNR-SPIN)
“Electrical control of spin-texture in non-magnetic ferroelectrics”
Poster Award Ceremony
17:55 - 18:05Poster Award Ceremony
18:30 - 20:30Banquet

November 8 (Wednesday)

Morning Session
(Chair: V. Cros)
9:30 - 10:10Yayu Wang (Tsinghua University)
“Tuning magnetic order and edge state transport in topological insulators”
10:10 - 10:25Yoshikazu Mizuguchi (Tokyo Metropolitan University)
“Unconventional superconductivity in BiCh2-based superconductor revealed by isotope effect”
10:25 - 10:40Motohiko Ezawa (The University of Tokyo )
“Exact solutions in strongly interacting dimerized Kitaev topological superconductors ”
10:40 - 11:00Coffee Break
(Chair: X. Dai)
11:00 - 11:30Dai Aoki (IMR, Tohoku University)
“Turing ferromagnetic fluctuations and Fermi surface instabilities in field-induced ferromagnetic superconductors”
11:30 - 11:50Hazuki Furukawa (Ochanomizu University & RIKEN CEMS)
“Vortex lattice studies on exotic superconductors”
11:50 - 12:10Tetsuo Hanaguri (RIKEN CEMS)
“Discontinuous phase transition in the superconducting state at the nematic critical point of FeSe1-xSx
12:10 - 12:30Yoshihiro Iwasa (The University of Tokyo & RIKEN CEMS)
“Giant thermoelectric power factor in monolayer FeSe”
12:30 - 13:50Lunch Break
Afternoon Session
(Chair: D. Aoki)
13:50 - 14:20Shuichi Murakami (Tokyo Institute of Technology)
“Topology and transport in inversion-asymmetric crystals”
14:20 - 14:35Jobu Matsuno (RIKEN CEMS)
“Magnetic proximity effect at epitaxial oxide interfaces”
14:35 - 14:50Peter Stano (RIKEN CEMS)
“Majorana bound states in magnetic skyrmions”
14:50 - 15:10Kyoko Ishizaka (The University of Tokyo & RIKEN CEMS)
“Polar domains and surface states in a Weyl semimetal”
15:10 - 15:40Coffee Break
(Chair: S. Murakami)
15:40 - 16:20Xi Dai (Chinese Academy of Sciences)
“Non-collinear magnetic structure and multipolar order in Eu2Ir2O7
16:20 - 16:35Toru Sakai (University of Hyogo)
“Quantum spin liquid of kagome-lattice antiferromagnet”
16:35 - 17:05Takafumi Sato (Tohoku University)
“Novel electronic states of topological nodal semimetals studied by ARPES”
17:05 - 17:20Minoru Kawamura (RIKEN CEMS)
“Current-induced breakdown of quantum anomalous Hall effect in ferromagnetic topological insulators”
17:20 - 17:40Masashi Kawasaki (The University of Tokyo & RIKEN CEMS)
“Topological functionalities in quantum materials”
17:40 - 17:50Closing
[ Nov. 6 (Monday) ] [ Nov. 7 (Tuesday) ] [ Nov. 8 (Wednesday) ] [ Poster Session ]

Poster Session

P01Jin-Hong Park (Institute for Basic Science)
“Non-symmorphic symmetry induced-instability and magnetic phase diagram in Sr2IrO4
P02Taekoo Oh (Seoul National University)
“Topological semimetals induced by magnetic control of the Luttinger q-term in pyrochlore iridates”
P03Max A. Hirschberger (RIKEN CEMS)
“Canted spin structures, local spin chirality, and anomalous Hall effect”
P04Chen-Hsuan Hsu (RIKEN CEMS)
“Nuclear-spin-induced edge resistance in two-dimensional topological insulators”
P05Junyeong Ahn (Seoul National University)
“Linking characterizes Z2 monopole charge in nodal line semimetal”
P06Kenji Yasuda (The University of Tokyo)
“Quantized chiral edge conduction on reconfigurable domain walls of a magnetic topological insulator”
P07Masataka Mogi (The University of Tokyo)
“Observation of gigantic magnetoresistance in an engineered tricolor structure of topological insulator”
P08Katsuya Iwaya (RIKEN CEMS)
“STM studies of MBE-grown topological insulator thin film transferred by a UHV suitcase”
P09Makoto Masuko (The University of Tokyo)
“Magnetotransport properties of perovskite CaIrO3 thin film”
P10Hidetoshi Masuda (The University of Tokyo)
“Magnetic structure dependence of SdH oscillations from quasi-2D Dirac fermions in EuMnBi2
P11Shohei Miyakoshi (RIKEN CEMS)
“Entanglement spectra of 1D SPT phases in the finite systems”
P12Ryo Takahashi (Tokyo Institute of Technology)
“Spinless hourglass nodal-line semimetals”
P13Marie-Therese Philipp (Institute of Solid State Physics)
“Mott-Hubbard transition in the mass-imbalanced Hubbard model”
P14Kazuki Yokomizo (Tokyo Institute of Technology)
“Topological phases in multilayers of a normal insulator and a Weyl semimetal”
P15Motoaki Hirayama (RIKEN CEMS)
“Ab initio studies on topological semimetals”
P16Yaroslav Rodionov (Institute for Theoretical and Applied Electrodynamics)
“Floquet spectrum and driven conductance in Dirac materials:Effects of Landau–Zener–Stückelberg–Majorana interferometry”
P17Yaroslav Rodionov (Institute for Theoretical and Applied Electrodynamics)
“Effect of noise in nonlinear Landau-Zener effect”
P18Alexander V. Rozhkov (RIKEN)
“Single-electron gap in twisted bilayer graphene”
P19Alexander V. Rozhkov (RIKEN)
“Half-metallic states in doped density-wave insulator”
P20Artem Sboychakov (RIKEN)
“Bias voltage controlled exciton band gap in twisted bilayer graphene”
P21Artem Sboychakov (RIKEN)
“Magnetic phase diagram and the electronic phase separation in the systems with imperfect nesting of the Fermi surface”
P22Franco Nori (RIKEN CEMS)
“The quantum spin Hall effect of light, and extraordinary momentum and spin in evanescent waves.”
P23Junyeon Kim (RIKEN CEMS)
“Edelstein magnetoresistance in CoFe/Cu/Bi2O3
P24Kouta Kondou (RIKEN CEMS)
“Spin-charge interconversion effect in metal/oxide interfaces”
P25Shun Okumura (The University of Tokyo)
“Numerical study for a chiral soliton lattice in itinerant electron systems”
P26Denis Maryenko (RIKEN CEMS)
“Phase transition from a composite fermion liquid to a Wigner solid in the lowest Landau level of ZnO”
P27Henri Saarikoski (RIKEN CEMS)
“Spin interferometry in circular and polygonal mesoscopic rings”
P28Bivas Rana (RIKEN CEMS)
“Excitation of coherent propagating spin waves in ultrathin CoFeB film by voltage-controlled magnetic anisotropy”
P29Bivas Rana (RIKEN CEMS)
“Voltage-controlled reconfigurable spin wave nanochannels and logic devices”
P30Shinichiro Seki (RIKEN CEMS)
“Coherent and nonreciprocal spin wave propagation along skyrmion strings”
P31Ryutaro Yoshimi (RIKEN CEMS)
“Current-induced magnetization switching in bulk Rashba ferromagnet”
P32Rina Takagi (RIKEN CEMS)
“Multiple-q state in itinerant hexagonal magnet”
P33Jorge Puebla (RIKEN CEMS)
“Direct optical observation of spin accumulation at nonmagnetic metal/oxide interface”
P34Yukako Fujishiro (The University of Tokyo)
“Topological phase transition and transport phenomena in chiral magnets MnSi1-xGex
P35Kei S. Takahashi (RIKEN CEMS)
“Magnetotransport properties of high mobility La doped EuTiO3 films”
P36Ryoma Kaneko (The University of Tokyo)
“Observation of mass enhancement and flat-band spectra in hole-doped pyrochlore iridates”
P37Michi-To Suzuki (RIKEN CEMS)
“Cluster multipole theory for macroscopic phenomena with multipole magnetic structure generation”
P38Naoya Kanazawa (The University of Tokyo)
“Topological spin states in chiral-lattice thin films by tailoring magnetic anisotropy”
P39Yudai Hayashi (The University of Tokyo)
“Terahertz dynamics of conduction electrons in skyrmion-hosting B20-type alloy thin films”
P40Ken N. Okada (The University of Tokyo)
“Versatile multiple-Q orderings generated by Rashba–Dresselhaus spin–orbit couplings”
P41Masato Sakano (The University of Tokyo)
“Spin-orbit coupled band dispersions in elemental tellurium with chiral crystal structure”
P42Markus Kriener (RIKEN CEMS)
“Nanoscale structural rearrangement and enhancement of Tc in the diluted magnetic semiconductor (Ge,Mn)Te”
P43Hiroshi Katsumoto (ISIR, Osaka University)
Ab-initio theoretical study on structural distortion and spin-crossover phenomena in RCoO3 (R=La, Bi)”
P44Makiko Ogino (The University of Tokyo)
“Gyrotropic birefringence on electromagnon driven by exchange-striction in RMnO3
P45Yusuke Hama (National Institute of Informatics)
“Electromagnon on the surface of magnetic topological insulator”
P46Hiroe Shishikura (The University of Tokyo)
“Terahertz Faraday effect on electromagnon resonance in Y-type hexaferrite Ba2Mg2Fe12O22
P47Shogo Iguchi (The University of Tokyo)
“E·B-type optical magnetoelectric effects with electromagnon resonance”
P48Tomoki Akiba (The University of Tokyo)
“Magnetotransport properties of polar magnetic semiconductor AgCrSe2
P49Masato Sotome (RIKEN CEMS)
“Spectral dynamics of topological shift-current in ferroelectric semiconductor SbSI”
P50Hiroaki Ishizuka (The University of Tokyo)
“Local excitation of photocurrent in nonsymmetric systems”
P51Kou Misaki (The University of Tokyo)
“Diffusive real-time dynamics of a particle with Berry curvatures”
P52Masaru Onga (The University of Tokyo)
“Exciton Hall effect in valley-polarized excitons”
P53Shiro Sakai (RIKEN CEMS)
“Theoretical study of quasicrystalline superconductors”
P54Yu Saito (The University of Tokyo)
“Quantum phase transitions in highly crystalline 2D superconductors”
P55Feng Qin (The University of Tokyo)
“Diameter dependence of superconductivity in WS2 nanotubes”
P56Tadashi Machida (RIKEN CEMS)
“Electronic states induced by a buried impurity in black phosphorus probed by STM”
P57Tadashi Machida (RIKEN CEMS)
“Construction of 17.5T - dilution refrigerator STM”
P58Kazuhisa Hoshi (Tokyo Metropolitan University)
“Isotope effect of LaO0.6F0.4Bi(S,Se)2
P59Kengo Takahashi (The University of Tokyo)
“The elecronic structure of the misfit superconductor (PbSe)1.16(TiSe2)2
P60Yuji Nakagawa (The University of Tokyo)
“Enhanced coupling in dilute intercalated layered superconductors”
P61Takuto Kawakami (Kyoto University)
“Spin 3/2 superconducting topological insulators”
P62Yuki Itahashi (The University of Tokyo)
“Anisotropic rectification effect in 2D superconducting MoS2
P63Shota Koshikawa (The University of Tokyo)
“Magneto-chiral anisotropy in non-centrosymmetric bulk superconductor”
P64Hideki Matsuoka (The University of Tokyo)
“Gate-induced insulator-to-superconductor transition in electron-doped cuprate La2-xCexCuO4
P65Daiki Shin (The University of Tokyo)
“Charge carrier transport in PbTe colloidal quantum dot assemblies”
P66Nianpeng Lu (Tsinghua University)
“Electric-field control of tri-state phase transformation with a selective dual-ion switch”
P67Satria Zulkarnaen Bisri (RIKEN CEMS)
“Doping and band-fillings in colloidal quantum dot solids for energy harvesting devices”
P68Yuhki Kohsaka (RIKEN CEMS)
“Spectroscopic imaging scanning tunneling microscopy of MoTe2
P69Hidefumi Takahashi (The University of Tokyo)
“Gigantic thermoelectric power factor in pressurized polar semimetal MoTe2
P70Yuta Kashiwabara (The University of Tokyo)
“Conducting interface between insulating transition-metal dichalcogenides”
P71Akiko Kikkawa (RIKEN CEMS)
“Crystal growth and characterization of quantum materials”