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 |
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