Preliminary Program


Please click on the title to see the abstract (if available).
The program will be updated continuously. Last update: 21/05/2012




Sunday, 20 May  
   
18:00 - 20:00 Registration
   
19:00 - 21:00 Welcome reception
   
   
Monday, 21 May  
   
08:45 - 09:00 Roderich Moessner (Director MPIPKS) & Scientific Coordinators
  Opening
   
  Iridates and the Kitaev-Heisenberg model I
  Chairperson: Natalia Perkins
   
09:00 - 09:35 Radu Coldea (Oxford University)
  Spin dynamics in the honeycomb antiferromagnet Na2IrO3
   
09:35 - 10:10 Giniyat Khaliullin (MPI for Solid State Research, Stuttgart)
  Magnetic order and excitations in iridium oxides
   
10:10 - 10:35 Philipp Gegenwart (Göttingen University)
  Magnetic properties of Mott insulating Na2IrO3 and Li2IrO3
   
10:35 - 11:10 Coffee break
   
  Iridates and the Kitaev-Heisenberg model II
  Chairperson: Ronny Thomale
   
11:10 - 11:45 George Jackeli (MPI for Solid State Research, Stuttgart)
  Spin-orbit coupling induced exotic phases in Mott insulators
   
11:45 - 12:20 Ashvin Vishwanath (University of California, Berkeley)
  Novel phases from correlations and spin orbit
   
12:20 - 12:45 Yong-Baek Kim (University of Toronto)
  Topological phases of correlated materials with magnetic frustration and spin-orbit coupling
   
12:45 - 14:30 Lunch break
   
  Quasi-one-dimensional systems
  Chairperson: Hae-Young Kee
   
14:30 - 15:05 Cristian Daniel Batista (Los Alamos National Laboratory)
  Solitons, phasons and devil's staircases in Ca3Co2O6
   
15:05 - 15:30 Krzysztof Wohlfeld (IFW Dresden)
  Fractionalization of electron's spin and orbital degrees of freedom in 1D
   
15:30 - 15:55 Brijesh Kumar (Jawaharlal Nehru University, New Delhi)
  A class of exactly solvable Kugel-Khomskii type models in one dimension
   
15:55 - 16:30 Coffee break
   
  ISOS12 Colloquium
  Chairperson: Roderich Moessner
   
16:30 - 17:30 Hidenori Takagi (RIKEN, Saitama)
  Emergent phases of correlated electrons in transition metal oxides
   
18:00 Supper
   
   
Tuesday, 22 May  
   
  Magnetism in pnictides
  Chairperson: Ilya Eremin
   
09:00 - 09:35 Toby Perring (STFC Rutherford Appleton Laboratory, Didcot)
  Itinerant spin excitations in SrFe2As2 measured by inelastic neutron scattering
   
09:35 - 10:10 Takami Tohyama (Kyoto University)
  Spin, charge, and orbital dynamics of iron pnictides
   
10:10 - 10:35 Johannes Knolle (MPI for the Physics of Complex Systems, Dresden)
  Magnetic excitations in iron based superconductors
   
10:35 - 11:10 Coffee break
   
  Pnictides: Orbital effects and frustration
  Chairperson: Peter Hirschfeld
   
11:10 - 11:45 Rafael Fernandes (Columbia University, New York)
  Nematic order and itinerant magnetism in the iron pnictides
   
11:45 - 12:20 Roser Valenti (Frankfurt University)
  Multiorbital, frustration and correlation effects in Fe-based superconductors
   
12:20 - 12:45 Jiri Chaloupka (MPI for Solid State Research, Stuttgart)
  Spin crossover model for the magnetism of iron pnictides
   
12:45 - 14:30 Lunch break
   
  Pyrochlore I
  Chairperson: Roser Valenti
   
14:30 - 15:05 Satoru Nakatsuji (Tokyo University, Kashiwa)
  Novel magnetism due to quantum fluctuations on geometrically frustrated lattices
   
15:05 - 15:40 Shigeki Onoda (RIKEN, Wako)
  Topological phases with broken time-reversal symmetry in pyrochlore iridates
   
15:40 - 16:05 Ludovic Jaubert (Oxford University)
  Itinerant electrons in the Coulomb phase
   
16:05 - 16:30 Coffee break
   
  Pyrochlore II
  Chairperson: Claudio Chamon
   
16:30 - 17:05 Zenji Hiroi (Tokyo University, Kashiwa)
  Tetrahedral magnetic order driving a metal-insulator transition in the pyrochlore lattice of Cd2Os2O7
   
17:05 - 17:40 Roderich Moessner (MPIPKS)
  Extended magnetic degrees of freedom in d>1
   
17:40 - 18:15 Masafumi Udagawa (Tokyo University, Bunkyo-ku)
  Non-Kondo resistivity minimum in spin ice conduction systems
   
18:15 - 19:30 Supper
   
19:30 - 20:00 Poster presentations
   
20:00 - 21:30 Poster session I
   
   
Wednesday, 23 May  
   
  Iridates I
  Chairperson: Hidenori Takagi
   
09:00 - 09:35 Gang Cao (University of Kentucky, Lexington)
  Spin-orbit interaction rediscovered in heavy transition metal oxides
   
09:35 - 10:10 Peter Lemmens (Technical University Braunschweig)
  Crossover from coherent to incoherent scattering in spin-orbit dominated iridates
   
10:10 - 10:35 Kirill Shtengel (University of California, Riverside)
  From Majorana to parafermion quantum wires
   
10:35 - 10:40 Group photo (to be published on the website)
   
10:40 - 11:10 Coffee break
   
  Pnictides
  Chairperson: Christian Hess
   
11:10 - 11:45 Bernd Büchner (IFW Dresden)
  Ferromagnetism and superconductivity in doped LiFeAs
   
11:45 - 12:20 Shik Shin (Tokyo University, Kashiwa)
  Laser-ARPES study on Fe-pnictide superconductors
   
12:20 - 12:55 Peter Hirschfeld (University of Florida, Gainesville)
  Systematics of pairing in Fe-based superconductors from spin fluctuation theory
   
12:55 Lunch
   
14:30 - 22:00 Social program and dinner
   
   
Thursday, 24 May  
   
  Topological Insulators
  Chairperson: Bernd Rosenow
   
09:00 - 09:35 Claudio Chamon (Boston University)
  Fractional topological insulators
   
09:35 - 10:10 Hae-Young Kee (University of Toronto)
  Semi-metal and topological Insulators in perovskite iridates
   
10:10 - 10:35 Andreas Schnyder (MPI for Solid State Research, Stuttgart)
  Classification of topological surface states in nodal noncentrosymmetric superconductors
   
10:35 - 11:10 Coffee break
   
  Triangular lattices
  Chairperson: Philipp Gegenwart
   
11:10 - 11:45 Yuji Matsuda (Kyoto University)
  Algebraic spin liquid phase in two-dimensional organic Mott insulator with triangular lattice
   
11:45 - 12:20 Amalia Coldea (Oxford University)
  The interplay between the localized and itinerant electrons on frustrated antiferromagnetic lattice
   
12:20 - 12:45 Tulika Maitra (Indian Institute of Technology, Roorkee)
  Orbital order in NaTiO2: A first principles study
   
12:45 - 14:30 Lunch break
   
  Iridates II
  Chairperson: George Jackeli
   
14:30 - 15:05 Tomohiro Takayama (Tokyo University, Kashiwa)
  Novel electronic phases produced by strong spin-orbit coupling in iridates
   
15:05 - 15:40 Ronny Thomale (Stanford University)
  Interaction effects in topological band structures
   
15:40 - 16:05 Timo Hyart (Leipzig University)
  Competition between d-wave and topological p-wave superconductivity in the doped Kitaev-Heisenberg model
   
16:05 - 16:30 Coffee break
   
  Kondo lattice systems
  Chairperson: Zenji Hiroi
   
16:30 - 17:05 Yukitoshi Motome (Tokyo University)
  Complex spin-charge orders in Kondo lattice systems
   
17:05 - 17:40 Gia-Wei Chern (University of Wisconsin-Madison)
  Orbital and magnetic ordering in vanadium spinels
   
17:40 - 18:15 Philippe Mendels (Université Paris-Sud, Orsay)
  Quantum spin liquids on the kagome and triangular lattices
   
18:15 - 19:30 Supper
   
19:30 - 20:00 Andrew Mackenzie (University of St. Andrews)
  Electronic nematic physics in Sr3Ru2O7
   
20:00 - 21:30 Poster session II
   
   
Friday, 25 May  
   
  Multiorbital systems
  Chairperson: Markus Grüninger
   
09:00 - 09:35 Jeroen van den Brink (IFW Dresden)
  Topologically nontrivial states for orbital degrees of freedom in frustrated lattice systems
   
09:35 - 10:10 Seiji Niitaka (RIKEN, Wako)
  Orbital ordering and geometrical frustration in MgV2O4 spinel
   
10:10 - 10:30 Maria Daghofer (IFW Dresden)
  Topologically nontrivial and nearly flat bands in multi-orbital models
   
10:30 - 11:00 Coffee break
   
  Ruthenates
  Chairperson: Andreas Schnyder
   
11:00 - 11:35 Liu Hao Tjeng (MPI-CPfS Dresden)
  The importance of spin-orbit interaction in cobaltates
   
11:35 - 12:10 Volodymyr Zabolotnyy (IFW Dresden)
  Ultra-low temperature ARPES on strontium ruthenates
   
12:10 - 12:45 Andriy Nevidomskyy (Rice University, Houston)
  Interplay of the orbital and spin degrees of freedom in the iron pnictides and ruthenates
   
12:45 - 13:00 Closure
   
13:00 Lunch