Condensed Matter Theory Group

Advanced Science Research Center, Japan Atomic Energy Agency, Tokai, Ibaraki 319-1195, Japan

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2001 2002 2003 2004 2005 2006 2007 2008 2009 2010

Seminar in 2007

Speaker : Jingyu Gan
Date : Dec. 26 (Wed.) 16:00〜
Room : Seminar room, 5th floor, 2nd Bldg
Title : Competing orders of self-doped bilayer cuprates

Speaker : Prof. Y. J. Uemura (Columbia Univ)
Date : Dec. 25 (Tue.) 16:00〜
Room : Seminar room, 5th floor, 2nd Bldg
Title : Quantum phase transitions in MnSi, (Sr,Ca)RuO3, HTSC, frustrated spin systems and doped magnetic semiconductors

Speaker : Prof. J. Bonca (J. Stefan Inst. Slovenia)
Date : Dec. 19 (Wed.) 16:00〜
Room : Seminar room, 5th floor, 2nd Bldg
Title : Spectral properties ofthe t-J-Holstein model in the low-doping limit

Speaker : Prof. G. Khaliullin (IFCAM & Max-Planck-Institute FKF)
Date : Dec. 17 (Mon.) 16:00〜
Room : 2nd floor, IFCAM Bldg
Title : Electronic reconstruction at oxide interfaces

Speaker : (1) H. Sugishita, (2) N. Afzal Shooshtary
Date : Dec. 6 (Wed.) 16:00〜
Room : Seminar room, 5th floor, 2nd Bldg
Title : (1) Effects of extrinsic pinning on domain wall in one-dimensional model, (2) Theoretical study of electronic structure of high-Tc cuprates

Speaker : Prof. M. Flatte (Iowa Univ.)
Date : Nov. 29 (Thu.) 11:00〜
Room : 2nd floor, IFCAM Bldg
Title : Single spin control and quantum spin interactions in semiconductors

Speaker : (1) T. Taniguchi, (2) G. Chifune
Date : Nov. 28 (Wed.) 16:00〜
Room : Seminar room, 5th floor, 2nd Bldg
Title : (1) Theoretical study on interaction of spin current and magnetization in ferromagnetic multilayers, (2) Theory of optical absorption in an one-dimensional Mott insulator with electron-phnon interactions

Speaker : M. Mori
Date : Nov. 21 (Wed.) 16:00〜
Room : Seminar room, 5th floor, 2nd Bldg
Title : Local effect on superconductivity of apical oxygen in high-Tc cuprates

Speaker : Dr. S. Yunoki (Oak Ridge National Lab)
Date : Nov. 19 (Mon.) 14:00〜
Room : 2nd floor, IFCAM Bldg
Title : Defects indeuced ferromagnetism in band insulators

Speaker : (1) Y. Tomoda, (2) Bo Gu
Date : Nov. 14 (Wed.) 16:00〜
Room : Seminar room, 5th floor, 2nd Bldg
Title : (1) Quantum Monte Carlo study on two-impurity Anderson model in semiconductors, (2) Theoretical study on ferromagnetism of ZnO

Speaker : Prof. G. Khaliullin (IFCAM & Max-Planck-Institute FKF)
Date : Nov. 12 (Mon.) 16:00〜
Room : Seminar room, 5th floor, 2nd Bldg
Title : The origin of strong correlations and superconductivity in cobaltates

Speaker : Dr. H. Morise (Toshiba R&D)
Date : Oct. 23 (Tue.) 16:00〜
Room : Seminar room, 5th floor, 2nd Bldg
Title : Spin current and spin transfer torque in a non-colinear magnetic multilayer

Speaker : Dr. J. Ohe (Hamburg Univ)
Date : Oct. 18 (Thu.) 16:00〜
Room : Seminar room, 5th floor, 2nd Bldg
Title : Charge current driven by spin dynamics in mesoscopic systems

Speaker : Dr. Y. Sugita (RIKEN)
Date : Oct. 16 (Tue.) 16:00〜
Room : Seminar room, 5th floor, 2nd Bldg
Title : Molecular-dynamics calculation of protein: kinetics of protein folding and membrane

Speaker : Dr. T. Nakano (RIEC)
Date : Oct. 9 (Tue.) 17:00〜
Room : Seminar room, 5th floor, 2nd Bldg
Title : The effect of defects and impurities in Cr-doped GaN

Speaker :
Date : Oct. 2 (Tue.) 16:00〜
Room : Seminar room, 5th floor, 2nd Bldg
Title : JPS meeting reports

Speaker :
Date : Sep. 19 (Wed.) 16:00〜
Room : Seminar room, 5th floor, 2nd Bldg
Title : JPS meeting rehearsall 2

Speaker :
Date : Sep. 11 (Tue.) 16:00〜
Room : Seminar room, 5th floor, 2nd Bldg
Title : JPS meeting rehearsall 1

Speaker : Prof. H. Matsueda (Sendai National College of Technology)
Date : Sep. 5 (Wed.) 16:00〜
Room : Seminar room, 5th floor, 2nd Bldg
Title : (1) Phonon effect enhanced by electron correlation on an exciton in 1D Mott insulators and (2) Proposal for super-parallel DMRG computation in RIKEN

Speaker : Prof. G. E. W. Bauer (Kavli Institute of NanoScience, The Netherlands)
Date : Aug. 8 (Wed.) 16:00〜
Room : 2nd floor, IFCAM Bldg
Title : Creation and detection of current-induced spin accumulations in the Rashba two-dimensional electron gas

Speaker : Prof. W. Koshibae (Sendai National College of Technology)
Date : Jul 26 (Thu.) 16:00〜
Room : Seminar room, 5th floor, 2nd Bldg
Title : Consideration on Kubo formula and cross efeects among electric, magnetic and thermal currents

Speaker : Dr. A. Deac (Osaka Univ.)
Date : Jul 23 (Mon.) 16:00〜
Room : 2nd floor, IFCAM Bldg
Title : Large power microwave precession for new spintronics devices with giant tunnel magnetoresistance

Speaker : (1) Y. Tomoda, (2) G. Chifune
Date : Jul 10 (Tue.) 16:00〜
Room : Seminar room, 5th floor, 2nd Bldg
Title : (1) QMC analysis with tight binding for (Ga,Mn) As, (2) Effects of electron-phonon interaction in one-dimensional Mott insulator

Speaker : (1) T. Taniguchi, (2) J. Ieda
Date : Jul 4 (Wed.) 16:00〜
Room : Seminar room, 5th floor, 2nd Bldg
Title : (1) Theoretical study on spin-pumping in a spin-valve with two ferromagnetic layers, (2) Theory of current-induced domain wall creep

Speaker : Prof. G. E. W. Bauer (Kavli Institute of NanoScience, The Netherlands)
Date : June 12 (Tue.) 16:00〜
Room : 2nd floor, IFCAM Bldg
Title : Spin-caloritronics

Speaker : Prof. A. Buzdin (University Bordeaux I, France)
Date : May 16 (Wed.) 16:00〜
Room : 2nd floor, IFCAM Bldg
Title : Proximity effect in superconductor-ferromagnet nanostructures

Speaker : Dr. S. Sota (Shimane Univ)
Date : May 15 (Tue.) 16:00〜
Room : 2nd floor, IFCAM Bldg
Title : Efficient scheme of calculating eigenvalue spectrum and eigenvectors of a large matrix and its application to atomic dynamics in glasses

Speaker : S. Hikino
Date : May 2 (Wed.) 16:00〜
Room : Seminar room, 5th floor, 2nd Bldg
Title : ac Josephson effect in SC/FM/SC junction

Speaker : Dr. Bo Gu
Date : May 1 (Tue.) 16:00〜
Room : Seminar room, 5th floor, 2nd Bldg
Title : Physical properties of one-dimensional quantum Heisenberg chains with alternating couplings

Speaker : S. Maekawa
Date : Apr. 17 (Tue.) 16:00〜
Room : Seminar room, 5th floor, 2nd Bldg
Title : Correlation between crystal structure and high Tc superconductivity

Speaker :
Date : Apr. 10 (Tue.) 16:00〜
Room : Seminar room, 5th floor, 2nd Bldg
Title : Research planning

Speaker : Dr. H. Imamura (AIST, Japan)
Date : Apr. 4 (Wed.) 16:00〜
Room : Seminar room, 5th floor, 2nd Bldg
Title : Theoretical sutdy on magnetoresistance in a magnetic multilayer with narrow current-path

Speaker :
Date : Mar. 26 (Mon.) 16:00〜
Room : Seminar room, 5th floor, 2nd Bldg
Title : JPS Meeting Reports

Speaker : (1) Prof. J. Bonca (J. Stefan Inst. Slovenia), (2) Prof. J. Martinek (Polish Academy of Sciences), (3) Dr. Y-h. Su (Yantai Univ.)
Date : Mar. 23 (Fri.) 15:00〜
Room : 2nd floor, IFCAM Bldg
Title : (1) Electron-phonon interaction in cuprates, (2) Proximity effect in superconductor-ferromagnetic junctions, (3) Scaling behaviors in the normal state of high-Tc superconductors

Speaker : Dr. R. Arita (RIKEN)
Date : Mar. 16 (Fri.) 14:00〜
Room : Seminar room, 5th floor, 2nd Bldg
Title : Development of Projective QMC and its application to LDA+DMFT calculations for LiV2O4

Speaker :
Date : Mar. 13 (Tue.) 16:00〜
Room : Seminar room, 5th floor, 2nd Bldg
Title : JPS Meeting Rehearsal

Speaker : (1) Mr. Y. Yamakawa (Niigata Univ), (2) Mr. Y. Yanagi (Niigata Univ)
Date : Feb. 27 (Tue.) 15:30〜
Room : Seminar room, 5th floor, 2nd Bldg
Title : (1) Theoretical study of antiferromagnetism and charge order in d-p model on two-dimensional triangular lattice (Mechanism of 2-step transition in Na0.5CoO2), (2) Effect of ferromagnetic spin fluctuation on electronic states in NaxCoO2

Speaker : Prof. T. S. Kim (Seoul Univ.)
Date : Feb. 14 (Wed.) 17:00〜
Room : Seminar room, 5th floor, 2nd Bldg
Title : Current induced domain wall motion: quantum approach

Speaker : J. Ieda
Date : Jan. 24 (Wed.) 17:00〜
Room : Seminar room, 5th floor, 2nd Bldg
Title : Domain wall motion under subthreshold driving forces

Speaker : Dr. Y. Asano (Hokkaido Univ.)
Date : Jan. 15 (Mon.) 16:00〜
Room : 2nd floor, IFCAM Bldg
Title : Josephson current of odd-frequency pairs through a half metal
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