Why Sr2IrO4 is Insulating and
Sr2RhO4 is not: On Spin-Orbit Coupling in Transition Metal
Oxides
NAWI Graz Joint Solid State Seminar, KFU Graz, Austria, 3 Nov 2014.
Ab-initio Description of
Strongly-Correlated Materials: Surprises and
Perspectives
Keynote talk at Materials Day, TU Graz, Austria, 23 Oct 2014.
Ab-initio Description of
Strongly-Correlated Materials: Surprises and
Perspectives
Plenary talk at the annual meeting of the Austrian Physical
Society (OePG), Pöllau, Austria, 25 Sep 2014.
On Technetium Oxides and their Similarities to Cuprates
Towards room temperature superconductivity, Lorentz Center Leiden, Netherlands, 4 Jul 2014.
Iron-based superconductors: Strongly correlated materials far from Mott
Theory Seminar, University Sherbrooke, Canada, 25 Apr 2014.
Hund's coupling and magnetism in technetium and chromium compounds
From Electrons to Phase Transitions, University Vienna, Austria, 26 Feb 2014.
Hund's coupling and magnetism in technetium and chromium compounds
From Models to Materials, Bangalore, India, 8 Jan 2014.
Iron-based superconductors: Strongly correlated materials far from Mott
Theory seminar, Jozef Stefan Institute, Ljubljana, Slovenia, 15 Nov 2013.
Iron-based superconductors: Strongly correlated materials far from Mott
Solid state seminar, Walter Meissner Institute, Munich, Germany, 8 Nov 2013.
Spin orbit coupling: The driving force for the insulating state in Sr2IrO4
Quantum many body phenomena in the solid state, Würzburg, Germany, 16 May 2013.
Correlation effects in 3d , 4d, and
5d transition metal oxides
Theory seminar, Jozef Stefan Institute, Ljubljana, Slovenia, 05 Oct 2012.
Correlation effects in 3d , 4d, and
5d transition metal oxides
Condensed matter seminar, SISSA, Trieste, Italy, 03 Oct 2012.
Influence of Spin-Orbit coupling in
paramagnetic transition metal oxides: Sr2IrO4
vs. Sr2RhO4
Solid state seminar, University of Frankfurt, Germany, 10 Nov 2011.
Electronic structure calculations
for correlated materials: The LDA+DMFT method
SIMNET Styria Multiscale Modeling Symposium, TU Graz, Austria, 02 May 2011.
Electronic structure calculations
for correlated materials
Solid state seminar, Technical University Graz, Austria, 30 Mar 2011.
On the difference in the degree of correlations between Pnictides and
Chalcogenides: LaFeAsO vs. FeSe
APS March Meeting 2011, Dallas Texas, USA, 24 Mar 2011.
Electronic structure calculations
for correlated materials: The example of iron-based
superconductors
Joint Dissertantenseminar, Karl-Franzens University Graz, Austria, 17
Jan 2011.
Importance of electronic correlations for single-particle, structural, and
magnetic properties of iron-based superconductors
Transregio seminar, University of Frankfurt, Germany, 19 Nov 2010.
Material specific properties of
iron-based superconductors. An LDA+DMFT perspective.
PsiK2010 conference, Berlin, Germany, 16 Sep 2010.
Correlated Electronic Structure of Iron-based Superconductors from an
LDA+DMFT perspective
Seminar, Universite Pierre et Marie Curie (Paris VI), France, 14 June 2010.
Correlated Electronic Structure of Iron-based Superconductors from an
LDA+DMFT perspective
FESC conference, MPI Stuttgart, Germany, 11 May 2010.
Correlated Electronic Structure of Iron-based Superconductors from an
LDA+DMFT perspective
FOR538 workshop, Munich Residence, Germany, 15 April 2010.
Correlated Electronic Structure of Iron-based Superconductors from an
LDA+DMFT perspective
Magnetism and Superconductivity seminar, LPS Orsay, France, 22 Mar 2010.
Electronic Structure Calculations for Correlated Materials:
Application to Iron-based Superconductors
SIMNETMultiscale Seminar Series, TU Graz, Austria, 10 Mar 2010.
Electronic-structure calculations
for correlated materials: Combining FLAPW and DMFT
Condensed Matter Seminar, TU Vienna, Austria, 8 Sep 2009.
Superconductivity in the Hubbard model and the two gap energy scales
in high temperature superconductors
DPG Spring meeting, Berlin, 28 February 2008.
Superconductivity in the Hubbard model and the two gap energy scales
in High-TC cuprates
Workshop of the DFG Research Unit FOR538, Munich Residence, 18 Dec 2007.
The Hubbard model and High-Temperature Superconductors: What can we learn from
a Quantum Cluster Approach
Theory seminar, MPI for Solid State Research Stuttgart, 23 May 2007.
Competing orders, spectral function and energy gaps in the 2D Hubbard model
CORPES07, MPI for Physics of Complex Systems, Dresden, Germany, 26 Apr 2007.
The superconducting gap in the Hubbard model and the two gap scales
in the High-TC cuprates
Theory Seminar, Stanford University, 8 Mar 2007.
Competition of Antiferromagnetism and Superconductivity in the
High-T Superconductors
18. Edgar-Lüscher-Seminar, Klosters, Switzerland, 3 Feb 2007.
Charge ordering in the quarter-filled ladder compound
NaV2O5
Seminar for theoretical solid state physics, Karl-Franzens University Graz,
3 Nov 2003.
Theoretical investigations of optical properties of sodium
vanadate
Festkörperphysikalische Kolloquium, MPI for Chemical Physics of Solids,
Dresden, Germany, 3 Apr 2003.
The low-temperature Lanczos method
Ringberg meeting of the MPI Stuttgart, Tegernsee, Germany,
3 Feb 2003.
The LDA+DMFT method
Winter School ICTP Bangalore, India, 6-18 Jan 2014.
Realistic Simulations for Strongly
Correlated Materials (DMFT+DFT), Part II
ANDES/ALPS School, Bariloche, Argentina, 3 Dec 2011.
Electronic structure calculations
for correlated materials
SPP1458 Summer School on Iron Pnictides, Achatswies, Germany, 2
Aug 2012.
Electronic, Magnetic, and
Optical Properties of Manganese Pnictides
SFB VICOM Annual Meeting, Erwin Schrödinger Institute, Vienna,
Austria, 15 Oct 2015.
Cooperative effects of Jahn-Teller distortions, magnetims, and Hund's coupling in BaCrO3
XXIInd Jahn-Teller Symposium, Graz,
Austria, 18 Aug 2014.
Iron Chalcogenides:
Strongly-correlated metals far from Mott
Frühjahrstagung der deutschen physikalischen Gesellschaft, Regensburg,
Germany, 13 Mar 2013.
Why is Sr2IrO4 insulating and
Sr2RhO4 is not? Influence of spin-orbit coupling and structural
distortions
NGSCES conference, Portoroz, Slovenia, 25 Jun 2012.
From 3d to 4d to 5d: Surprising
behavior of transition metal oxides
27nd workshop "Novel Materials and Superconductors", TU Vienna, Planneralm,
Austria, 13 Feb 2012.
On the difference in the degree of correlations between Pnictides and
Chalcogenides: LaFeAsO vs. FeSe
NS2 2011 conference, Tokyo, Japan, 6 Mar 2011.
Electronic correlations in iron
superconductors: spectral, structural, and magnetic
properties
26nd workshop "Novel Materials and Superconductors", TU Vienna, Planneralm,
Austria, 14 Feb 2011.
Insights into the Correlations of
Pnictide Superconductors from LDA+DMFT Calculations
2nd GDR-MICO Réunion, Aspet, France, 15 Oct 2009.
On the importance of 2D coupling for the explanation of ARPES data of TiOCl
24nd workshop "Novel Materials and Superconductors", TU Vienna, Planneralm,
Austria, 24 Feb 2009.
Doping dependence of quasi-particle gaps at low hole doping in the Hubbard model
APS March meeting 2007, Denver, Colorado, 6 Mar 2007.
A cluster approach to the superconducting phase in the ground state of the
Hubbard model
Korrelationstage 2007, MPI-PKS Dresden, Germany, 27 Mar 2007.
Symmetry-broken Ground States in the High-Temperature Superconductors
22nd workshop "Novel Materials and Superconductors", TU Vienna, Planneralm,
Austria, 13 Feb 2007.
Strong Magnetism in Transition
Metal Compounds: Manganese Pnictides in DFT+DMFT
PsiK Conference 2015, San Sebastian, Spain, 8 Sept 2015
Strong Spin-Orbital coupling and
Polarization as Origin of the Insulating State in
Sr2IrO4
Frühjahrstagung der deutschen physikalischen Gesellschaft, Regensburg,
Germany, 13 Mar 2013.
Spin-orbital polarization and ordering
in paramagnetic transition metal oxides: Sr2IrO4
vs. Sr2RhO4
Workshop of the DFG Research Unit Dynamical Mean Field Approach for
Strongly Correlated Materials, Dresden, Germany, 29 Aug 2012.
Spin-orbital polarization and ordering
in paramagnetic transition metal oxides: Sr2IrO4
vs. Sr2RhO4
Recent Progress in Many Body Theories 16, Bariloche, Argentina, 29 Nov
2011.
Insights into the
Correlations of Pnictide Superconductors from
LDA+DMFT
ParisEdge2010, LPS Universite Paris Sud, Orsay, France, 18 May 2010.
Insights into the
Correlations of Pnictide Superconductors from
LDA+DMFT
CORPES09, Conference on correlated electrons and photoemission,
Zürich, Switzerland, 20 July 2009.
Variational cluster approach to
superconducting and antiferromagnetic phases in hole- and electron-doped
cuprates
Frühjahrstagung der deutschen physikalischen Gesellschaft, Dresden,
Germany, 29 Mar 2006.
Charge
ordering in quarter-filled ladder systems coupled to the lattice
SCES04, Karlsruhe, Germany, 29 Jul 2004.
Variational Cluster Approach to Extended
Hubbard Models at Half-filling
Frühjahrstagung der deutschen physikalischen Gesellschaft, Regensburg,
Germany, 10 Mar 2004.
Low
temperature Lanczos method und Anwendung auf Cluster Perturbation
Theory
Korrelationstage 2003, Dresden, Germany.
Temperature
dependence of optical spectral weights in NaV2O5
19th general conference of the condensed matter division of the
european physical society, Brighton, UK, 9 Apr 2002.
The Variational Cluster Approach and its Applications
Max-Planck-Institute for Solid State Research, Stuttgart, Germany, 15 Feb 2005.
Charge ordering in the extended Hubbard model
University of Würzburg, Feb 2005.