workshop info. >> 2013/03/11

JAEA Synchrotron Radiation Research Symposium
"Magnetism in Quantum Beam Science"

Program

March 11th (Mon.)

Opening
13:00-13:05T. Sakai (JAEA)Announcement
13:05-13:15 K. Kakurai (JAEA) Opening address
13:15-13:25 J. Mizuki (JAEA) Introduction of synchrotron research at JAEA

Low-dimensional systemsChair: T. Tonegawa (Kobe University)
13:25-13:50 O1 A. Zheludev (ETH Zurich) The end of quantum spin ladder problem (almost)
13:50-14:15 O2 M. Matsuda (ORNL) Spin-lattice coupling and novel magnetic properties in the triangular lattice antiferromagnet Ag2CrO2
14:15-14:35 O3 M. Nakamura (Tokyo Institute of Technology) Exactly solvable 1D lattice model for fractional quantum Hall states and its entanglement spectra

14:35-14:50 break

Muon science and spin dynamicsChair: H. Nojiri (Tohoku University)
14:50-15:15 O4 E. Torikai (Yamanashi University) @ Development of the Ultra Slow Muon Microscope for Real-Space Functional Imaging inside Materials and Spin Transport across Interfaces
15:15-15:40 O5 S. Miyashita (University of Tokyo) Mott-ferromagnetic phase transition in an extended Nagaoka system

15:40-15:55 break

Magnetic insulators and high magnetic field science Chair: M. Matsuda (ORNL)
15:55-16:20 O6 S. Fujiyama (RIKEN) Marginal Mott behavior of Jeff = 1/2 iridates Srn+1IrnO3n+1 evidenced by magnetic X-ray scattering
16:20-16:45 O7 Z. Islam (APS) X-ray diffraction and spectroscopy studies of a 5d-electron ferromagnetic insulator
16:45-17:10 O8 C. Detlefs (ESRF) High-field irreversible moment reorientation in the antiferromagnet Fe1.1Te
17:10-17:35 O9 H. Nojiri (Tohoku Univeristy) High magnetic field neutron diffraction in frustrated antiferromagnets

18:00-19:30 Banquet

March 12th (Tues.)

New materials Chair: T. Ziman (ILL)
9:00-9:25 O10 E. Rodoriguez (University of Maryland) Chemical, structural, and magnetic trends in Fe1+x(S, Se, Te) systems from advanced neutron scattering
9:25-9:50 O11 H. Kageyama (Kyoto University) Superconductivity in BaTi2Sb2O and BaTi2Bi2O with a d1 square lattice
9:50-10:10 O12 T. Watanuki (JAEA) Intermediate-valence Yb-based quasicrystals
10:10-10:30 O13 T. Sakai (JAEA) Spin nanotube

10:30-10:45 break

Strongly correlated electron systems Chair: T. Inami (JAEA)
10:45-11:10 O14 T. Matsumura (Hiroshima University) Study of f-electron multipole orderings and hidden interactions by resonant x-ray diffraction in magnetic fields
11:10-11:30 O15 S. Fujimori (JAEA) Electronic structure of magnetic actinide compounds studied by ARPES
11:30-11:55 O16 S. Sebastian (University of Cambridge) Pseudogap signatures measured in the Fermi surface of underdoped YBCO by quantum oscillations

11:55-13:00 Group photo and lunch

High-Tc superconductors Chair: K. Ishii (JAEA)
13:00-13:25 O17 P. Steffens (ILL) Splitting of the resonance excitations in the cobalt-doped BaFe2As2 superconductor: An inelastic neutron scattering study with polarization analysis
13:25-13:50 O18 H. Kobayashi(University of Hyogo) 57Fe nuclear resonant inelastic scattering on AFe2As2(A=Sr and Eu)
13:50-14:15 O19 Y. Sidis (CEA, Saclay) Unconventional magnetic order in the pseudo-gap state of high-Tc cuprates
14:15-14:35 O20 K. Tsutsui (JAEA) Theoretical study of electronic structures and resonant inelastic X-ray scattering spectra in Ni-substituted cuprates

14:35-14:50 break

Theory session Chair: T. Sakai (JAEA)
14:50-15:15 O21 T. Ziman (ILL) Critical spin fluctuations and anomalous transport in ferromagnetic metals near the Curie temperature
15:15-15:40 O22 T. Shimokawa (Kobe University) The properties of the incommensurate modulation with long-distance periodicity in the non-Lieb-Mattis type ferrimagnetism

15:40-17:30 Poster session

18:00- Dinner

March 13th (Wed.)

Frustrated systems Chair: N. Shannon (OIST)
9:00-9:25 O23 H. Tanaka (Tokyo Institute of Technology) Ground states and magnetic excitations in S = 1/2 kagome-lattice antiferromagnets Rb2Cu3SnF12 and Cs2Cu3SnF12
9:25-9:50 O24 Z. Hiroi (University of Tokyo) Recent progress in the pyrochlore-lattice antiferromagnets
9:50-10:15 O25 H. Nakano (University of Hyogo) Two-dimensional frustrated antiferromagnets by large-scale parallel calculations of numerical diagonalizations
10:15-10:40 O26 P. Mendels (Universite Paris-Sud) Kagome quantum spin liquids: some recent NMR and μSR results

10:40-10:55 break

Spin liquid and ice Chair: P. Mendels (Universite Paris-Sud)
10:55-11:20 O27 N. Shannon (OIST) Quantum ice
11:20-11:45 O28 S. Dunsiger (Technische Universitat Munchen) Spin liquid and spin ice
11:45-12:10 O29 S. Ishihara (Tohoku University) Quantum spin liquid and dynamical Jan-Teller effect in an orbitally degenerate magnet

12:10-12:20 T. Ziman (ILL) Closing remark

Poster session
15:40-17:30 on March 12nd (Tuesday)
P1 T. Tonegawa (Kobe University) Quantum Phase Transition and Spin Gap in an S = 1/2 Ladder with Anisotropic Leg and Rung Interactions
P2 K. Okamoto (Tokyo Institute of Technology) Edge States in the Haldane, Intermediate-D and Large-D@Phases of the S = 2 Quantum Spin Chain with the XXZ and On-Site Anisotropies
P3 G. Bouilly (Kyoto University) An unusually reduced cobalt oxide
P4 D. Ellis (RIKEN) Muliferroic EuTiO3
P5 T. Sugimoto (JAEA) Magnetic excitations and frustration effect in a frustrated two-leg spin-ladder system
P6 H. Onishi (JAEA) Spin and multipole dynamics of ferromagnetic frustrated chain in high magnetic field
P7 T. Nakano (Osaka University) Antiferromagnetic ordering of s-electrons confined in regular nanospace of sodalite studied by neutron diffraction, μSR and synchrotron-radiation-based Mossbauer spectroscopy
P8 K. Hijii (JAEA) Phase transitions of the S = 1/2 two-leg Heisenberg spin ladder system with a four spin interaction
P9 M. Kozu (JAEA) In situ X-ray diffraction study of the crystal structure of GaAs nanowires growth with Au catalyst
P10 D. Shimizu (Kwansei Gakuin University) Interaction of Nano-Domain and Phonon in Relaxor Ferroelectrics by X-ray Diffuse Scattering Using PbTiO3 Concentration Gradient Sample
P11 T. Mitsui (JAEA) Two-step magnetic phase transition on the RFe2 (R=Y, Gd) hydrides synthesized under ultra high-pressure hydrogen
P12 T. Sakai (JAEA) Quantum Critical Magnetization Behaviors of the Kagome- and Triangular-Lattice Antiferromagnets
P13 T. Okane (JAEA) Soft X-ray magnetic circular dichroism study of Ce0.2Gd0.8Ni
P14 K. Ishii (JAEA) Symmetry of d-d excitations in inelastic x-ray scattering
P15 Y. Takeda (JAEA) Study of metamagnetic transition in UCoAl using soft x-ray magnetic circular@dichroism