CEMS Symposium on Emergent Quantum Materials

CEMS Symposium on Emergent Quantum Materials

May 22-24, 2019
Tokyo, Japan




[ May 22 (Wednesday) ] [ May 23 (Thursday) ] [ May 24 (Friday) ] [ Poster Session ]

Day 1: May 22 (Wednesday)

Morning SessionChair: A. Furusaki
10:00 - 10:10Opening
10:10 - 10:45Nai Phuan Ong (Princeton University)
“Thermal Hall conductivity as a probe of frustrated quantum spin liquids”
10:45 - 11:15Yoshinori Tokura (RIKEN CEMS / University of Tokyo)
“Emergent Magnetic Monopoles in Chiral Magnets”
11:15 - 11:50Leon Balents (University of California)
“Dynamics of Quantum Magnets”
11:50 - 13:30Lunch
Afternoon Session 1Chair: J. Moore
13:30 - 14:05Kang L. Wang (UCLA)
“Skyrmions in Antiferro- and Ferri- magnets”
14:05 - 14:35Masatoshi Sato (Kyoto University)
“Non-Hermitian Topological Phases”
14:35 - 15:05Yuji Matsuda (Kyoto University)
“Half-integer thermal quantum Hall effect in a chiral spin liquid”
15:05 - 15:20Christopher John Butler (RIKEN CEMS)
“Inter-Layer Correlations and Emergent Electronic Excitations in 1T-TaS2 Investigated Using STM”
15:20 - 15:55Break
Afternoon Session 2Chair: N. P. Ong
15:55 - 16:25Yukitoshi Motome (University of Tokyo)
“Hunting Majorana fermions in Kitaev magnets”
16:25 - 16:55Norio Kawakami (Kyoto University)
“Hermitian/Non-Hermitian Kondo Effect in Ultracold Fermionic Systems”
16:55 - 17:15Ryotaro Arita (University of Tokyo / RIKEN CEMS)
“Topological superconductivity in elemental hcp thallium”
17:15 - 17:25Break
Poster PreviewChair: R. Arita
17:25 - 18:50List of posters

Day 2: May 23 (Thursday)

Morning Session 1Chair: B. Keimer
09:30 - 10:05Zhi-Xun Shen (Stanford University)
“Edge states and domain walls in prospect topological phases of matter”
10:05 - 10:25Kyoko Ishizaka (University of Tokyo / RIKEN CEMS)
“Ultrafast nematic orbital excitation in FeSe”
10:25 - 10:40Masaki Uchida (University of Tokyo)
“Sr2RuO4 superconducting state as revealed by film and junction experiments”
10:40 - 11:00Tetsuo Hanaguri (RIKEN CEMS)
“Zero-energy vortex bound state in the superconducting topological surface state of Fe(Se,Te)”
11:00 - 11:20Break
Morning Session 2
11:20 - 11:40Shuichi Murakami (Tokyo Institute of Technology)
“Anomalous dielectric response in insulators with the π Zak phase”
11:40 - 11:55Motohiko Ezawa (University of Tokyo)
“Topological physics in electric circuits”
11:55 - 12:10Minoru Kawamura (RIKEN CEMS)
“Quantum phase transition in magnetic topological insulator driven by magnetization rotation”
12:10 - 12:25Ryutaro Yoshimi (RIKEN CEMS)
“Quantum anomalous Hall effect by magnetic proximity coupling”
12:25 - 12:45Akira Furusaki (RIKEN CEMS)
“Majorana zero mode on the edge of an interacting quantum wire with spin-orbit interaction”
12:45 - 13:50Lunch
Poster Session
13:50 - 15:40 List of posters
15:40 - 15:50Break
Afternoon Session 1Chair: Z.-X. Shen
15:50 - 16:25Joel Moore (UC Berkeley)
“Origins of strong and/or quantized nonlinear optical responses in Weyl semimetals”
16:25 - 16:55Takashi Oka (MPI Dresden)
“Dynamical Synchronization Transition and Floquet Condensation”
16:55 - 17:15Break
Afternoon Session 2Chair: L. Balents
17:15 - 17:30Takahiro Morimoto (University of Tokyo)
“Quantized circular photogalvanic effect in multifold Weyl fermions”
17:30 - 17:45Hiro Ishizuka (University of Tokyo)
“Theory of spin-current solar cells using quantum spin systems”
17:45 - 18:05Masashi Kawasaki (University of Tokyo / RIKEN CEMS)
“A bulk photovoltaic effect: shift current”
Poster Award Ceremony
18:05 - 18:40Poster Award Ceremony
18:50 - 20:50Banquet

Day 3: May 24 (Friday)

Morning Session 1Chair: K.L. Wang
9:30 - 10:05Jean-Marc Triscone (University of Geneva)
“Electronic coupling of metal-insulator phases at oxide interfaces”
10:05 - 10:40Bernhard Keimer (MPI Stuttgart)
“Dispersive spin, charge, and orbital excitations in monolayers and microcrystals”
10:40 - 10:55Jennifer Fowlie (University of Geneva)
“Possible metastable states in the rare earth nickelates”
10:55 - 11:15Break
Morning Session 2Chair: J.-M. Triscone
11:15 - 11:50Yayu Wang (Tsinghua University)
“Quantum phase transitions in magnetic topological insulators”
11:50 - 12:10Ting-Kuo Lee (Institute of Physics, Academia Sinica)
“FFLO pairing vs. BCS pairing in cuprates”
12:10 - 14:00Lunch
Afternoon Session 1Chair: S. Blügel
14:00 - 14:35Stuart S.P. Parkin (MPI Halle)
“Chiraltronics: chiral domain walls and anti-skyrmions”
14:35 - 14:55Xiuzhen Yu (RIKEN CEMS)
“Various topological spin textures and their dynamics”
14:55 - 15:10Takuya Nomoto (University of Tokyo)
“Cluster multipole dynamics in non-collinear antiferromagnets”
15:10 - 15:30Yasujiro Taguchi (RIKEN CEMS)
“Frustration-induced novel skyrmion phase in a β-Mn-type chiral magnet”
15:30 - 15:50Break
Afternoon Session 2Chair: S.S.P. Parkin
15:50 - 16:25Stefan Blügel (Forschungszentrum Jülich)
“Topological-Chiral Interactions for 3D Textures”
16:25 - 16:45Naoki Ogawa (RIKEN CEMS)
“Optical spectroscopy with Berry phase”
16:45 - 17:05Yoshihiro Iwasa (University of Tokyo / RIKEN CEMS)
“Symmetry and photovoltaic effect in transition metal dichalcogenide nanostructures”
17:05 - 17:25Naoto Nagaosa (RIKEN CEMS / University of Tokyo)
“Chirality in quantum dynamics”
17:25 - 17:35Closing

Poster Session

P01Rinsuke Yamada (University of Tokyo)
“Strong-correlation induced high mobility electrons in Dirac semimetal of perovskite CaIrO3
P02Max Hirschberger (RIKEN CEMS)
“Skyrmion formation and enhanced emergent electrodynamics in centrosymmetric magnets”
P03Licong Peng (RIKEN CEMS)
“Control of topological features of skyrmions and antiskyrmions”
P04Ken Okada (University of Tokyo)
“Magnetoelectric effect in band insulator–ferromagnet heterostructures”
P06Markus Kriener (RIKEN CEMS)
“Doping-Induced Superconductivity in GeTe and SnTe: The Role of valence-skipping In”
“Platform of chiral Majorana edge modes and its quantum transport phenomena”
P09Tsuneya Yoshida (University of Tsukuba)
“Symmetry-protected exceptional rings for correlated two-dimensional systems”
P10Kohei Kawabata (University of Tokyo)
“Topological classification of non-Hermitian insulators and superconductors”
P11Taro Nakajima (University of Tokyo / RIKEN CEMS)
“Spin fluctuations near the boundary between the paramagnetic and skyrmion lattice phases in MnSi”
P12Soshun Ozaki (University of Tokyo)
“Berry Curvature Contribution to Magnetization in a Honeycomb Lattice Model”
P13Ryutaro Nishino (University of Tokyo)
“Thickness-dependent ferroelectric properties in PbTiO3 films measured by electric double layer structure”
P14Kaoru Mizuta (Kyoto University)
“Floquet prethermal phases with emergent symmetries under a resonant drive”
P15Shogo Iguchi (University of Tokyo)
“Terahertz light induced electric polarization modulation in multiferroics ”
P16Shun Okumura (University of Tokyo)
“Numerical study of 3Q and 4Q hedgehog crystals in 3D spin-charge coupled systems”
P17Masato Sotome (RIKEN CEMS)
“Terahertz emission spectroscopy of exciton shift-current in CdS”
P18Yusuke Nakazawa (University of Tokyo)
“Quantum transport in low-carrier density Dirac semimetal Cd3As2 films grown by MBE”
P19Takuya Furusawa (Tokyo Institute of Technology)
“Boson-Fermion Duality in Four Dimensions”
P20Masataka Mogi (University of Tokyo)
“Spintronic properties in topological insulator/ferromagnetic insulator heterostructures”
P21Makoto Masuko (University of Tokyo)
“Control of magneto-transport properties in thin films of strongly-correlated Dirac semimetal CaIrO3
P22Shigeki Yamada (Yokohama City University)
“High-temperature low-field CMR effect in double perovskite manganite”
P23Ryosuke Kurihara (ISSP, University of Tokyo)
“Electric and Magnetic Multipole Effects of Ba2CuGe2O7 in High-Magnetic Fields”
P24Feng Qin (University of Tokyo)
“Quantum transport in graphene/van der Waals heterostructure”
P25Takuro Sato (RIKEN CEMS)
“Current-induced skyrmion dynamics probed by resistance narrow-band noise”
P26Yukako Fujishiro (University of Tokyo)
“Scattering-induced huge anomalous Hall effect in MnGe thin film”
P27Keisuke Matsuura (RIKEN CEMS)
“Quenching of Charge-Orbital-Ordered Manganites”
P28Kentaro Ueda (University of Tokyo)
“Spontaneous Hall effect in the Weyl semimetal candidate of all-in all-out pyrochlore iridate”
P29Yusuke Araki (University of Tokyo)
“High-field optical study of metamagnetic transition in a chiral polar magnet Ni2InSbO6
P30Masaki Nakano (University of Tokyo)
“Emergent properties of MBE-grown 2D materials”
P31Aki Kitaori (University of Tokyo)
“Transformation of hedgehog-lattice and emergent magnetic phenomena in MnGe single crystal”
P32Toshiya Ideue (University of Tokyo)
“Anomalous photovoltaic effect in an individual WS2 nanotube”
P33Kazuya Shinjo (Tokyo University of Science)
“Characterization of photoexcited states in the half-filled one-dimensional extended Hubbard model assisted by machine learning”
P34Kei S. Takahashi (RIKEN CEMS)
“Quantum oscillations in high mobility La doped EuTiO3 films”
P35Daigorou Hirai (ISSP, University of Tokyo)
“Quadrupole order in a spin-orbit entangled 5d oxide”
P36Masaro Yoshida (RIKEN CEMS)
“Current-Induced Phase Transition in 1T-TaS2
P37Yudai Hayashi (University of Tokyo)
“Magneto-optical spectroscopy of anomalous and topological Hall effects in MnGe thin film”
P38Shingo Toyoda (RIKEN CEMS)
“SHG-Active Boundaries between Nonpolar Magnetic Domains in MnWO4
P39Yuhki Kohsaka (RIKEN CEMS)
“A high-dimensional electronic superstructure in a layered misfit (PbSe)1+δ(TiSe2)2
P40Seishiro Ono (ISSP, University of Tokyo)
“The coexistence of 2D surface and 1D hinge states in inversion symmetric superconductors”
P41Shinichi Nishihaya (University of Tokyo)
“Quantized surface transport observed in Dirac semimetal Cd3As2 films”
P42Hui Wang (RIKEN CEMS)
“Josephson Junction based on Bismuth Nanowires”
P43Yoshihiro Michishita (Kyoto University)
“The properties of open quantum systems and the nonhermiticity in strongly-correlated systems”
P44Kosuke Karube (RIKEN CEMS)
“Sign change in Dzyaloshinskii-Moriya interaction in Co8-xFexZn8Mn4
P45Denis Maryenko (RIKEN CEMS)
“Indication for spin splitting in zero magnetic field in high mobility ZnO heterostructures ”
P46Khanh Duy Nguyen (RIKEN CEMS)
“Nanometric square skyrmion lattice in a centrosymmetric non-frustrated tetragonal magnet”
P47Ryo Takahashi (Tokyo Institute of Technology)
“Bulk-edge and bulk-hinge correspondence in inversion symmetric insulators”
P48Yusuke Nomura (RIKEN CEMS)
“Machine-learning solvers for analyzing quantum many-body problems”
P49Daiki Murata (University of Tokyo)
“Chiral domain dynamics in helical magnets”
P50Nobuyuki Abe (University of Tokyo)
“Stabilization of Charge-Orbital Ordered State by Uniaxial Stress in A-site ordered NdBaMn2O6
P51Kota Kataoka (ISSP, University of Tokyo)
“New Kitaev spin liquid candidate OsCl3
P52Kazuki Yokomizo (Tokyo Institute of Technology)
“Bloch Band Theory for Non-Hermitian Systems”
P53Hikaru Watanabe (Kyoto University)
“Current-induced nematicity in odd-parity magnetic multipole system”
P54Yuki Itahashi (University of Tokyo)
“Nonreciprocal superconducting transport as a probe of quantum vortex ratchet motion”
P55Hiroshi Oike (University of Tokyo)
“Kinetic Approach to Superconductivity”
P56Akihiko Sekine (RIKEN CEMS)
“Electrically Tunable Localized Mode in Nodal-Line Semimetals”
P57Yue Wang (University of Tokyo)
“Magnetism in layered transition-metal chalcogenide thin films grown by molecular-beam epitaxy”
P58Chen-Hsuan Hsu (RIKEN CEMS)
“Majorana Kramers pairs in higher-order topological insulators”
P59Tsuyoshi Omi (University of Tokyo)
“Elastic properties and magnetic phase diagram of a frustrated multiferroic CaBaCo4O7
P60Motoaki Hirayama (RIKEN CEMS)
“Topological Electride”
P61Shin Miyahara (Fukuoka University )
“Fractionally quantized Berry phase in spin-1/2 frustrated Heisenberg models”
P62Makiko Ogino (University of Tokyo)
“Natural optical activity in cycloidal magnet”
P63Riki Toshio ( Kyoto University)
“Nonlocal Optical Responses of Ultrapure Metalsin the Hydrodynamic Regime”
P64Jyong-Hao Chen (ISSP, University of Tokyo; ETH; PSI)
“Models of spin-1/2 two-leg ladders with Ising criticality”
P65Naoya Kanazawa (University of Tokyo)
“Deformation of spin-hedgehog lattice in chiral magnet MnGe as seen via small-angle neutron scattering”
P66Daichi Kurebayashi (RIKEN CEMS)
“Current-driven dynamics of spin textures on surface of topological insulator”
P67Munehisa Matsumoto (ISSP, University of Tokyo)
“Charge transfer in valence-fluctuating Ce-based 4f-3d intermetallics with spin-orbit interaction: possible colossal magnetic anisotropy at high temperatures”
P68Reika Fujimura (University of Tokyo)
“Magneto-transport properties and current-induced magnetization switching in(Bi,Sb)2Te3 / Fe3GeTe2 heterostructure”
P69Natsuki Mitsuishi (University of Tokyo)
“Directional modifications of topological surface state by charge density wave in VTe2
P70Shohei Miyakoshi (RIKEN CEMS)
“Photoinduced η-paring in a Mott insulator”
P71Kazuhiro Seki (RIKEN CEMS)
“Auxiliary-field quantum Monte Carlo study of Hubbard models”