Vorträge

Talks

25.10.13Discriminating AF signatures in ultracold fermions using tunable dimensionality and geometric frustration,
International conference on Strong Correlations in Ultracold Quantum Gases - Munich 2013
27.06.13Universal probes for antiferromagnetic correlations and entropy in cold fermions on optical lattice,
DHV-Seminar Rhetorik, Bonn
04.07.13Introduction to methods for correlated materials,
conference “The New Generation in Strongly Correlated Electron Systems 2013”, Sestri Levante, Italy
22.03.13Momentum-dependent pseudogaps in the half-filled 2d Hubbard model - an unbiased QMC study,
APS March meeting, Baltimore, USA
 
19.10.12Numerically exact quantum Monte Carlo algorithms for impurity problems,
Meeting of the Center for Computational Sciences of the Univ. Mainz, Ebernburg, Germany
15.10.12Momentum-dependent pseudogaps in the half-filled 2d Hubbard model - an unbiased QMC study,
Conference on Computational Physics, Kobe, Japan
27.08.12Momentum-dependent pseudogaps in the half-filled 2d Hubbard model,
Scalettar group seminar, UC Davis, USA
30.03.12Quantum Monte Carlo impurity solvers for multi-orbital problems and frequency-dependent interactions,
Meeting of the DFG research unit FOR 1346, Berlin, Germany
12.03.12Tunable frustration as a discriminator of antiferromagnetic signatures in cold atoms,
DPG Frühjahrstagung, Stuttgart, Germany
01.03.12Universal probes of antiferromagnetic correlations and entropy in cold fermions on optical lattices,
APS March meeting, Boston, USA
 
11.11.11Double occupancy as a universal probe for antiferromagnetic correlations and entropy in cold fermions on optical lattices,
CECAM workshop Modeling Materials With Cold Gases Through Simulations, ETH Zürich
05.10.11Hirsch-Fye quantum Monte Carlo method for dynamical mean-field theory,
Lecture and tutorial in Autumn School Hands-on LDA+DMFT, Forschungszentrum Jülich, Germany
16.09.11Double occupancy as a universal probe for antiferromagnetic correlations and entropy in cold fermions on optical lattices,
Annual Retreat of the SFB/TR 49, Alzey, Germany
14.09.11Double occupancy as a universal probe for antiferromagnetic correlations and entropy in cold fermions on optical lattices,
International Workshop on Electronic Correlations in Models and Materials, Augsburg, Germany
08.06.11Double occupancy as a universal probe for antiferromagnetic correlations and entropy in cold fermions on optical lattices,
Workshop on Frontiers in Ultracold Fermi Gases, ICTP Trieste
02.05.11Double occupancy as a universal probe for antiferromagnetic correlations and entropy in cold fermions on optical lattices,
Gruppenseminar Quantum Optics Group (I. Bloch), LMU München
14.03.11New routes to frustration and the suppression of antiferromagnetic signatures,
TT 9.9, DPG Frühjahrstagung, Dresden
31.01.11Arbeitsgebiete AG KOMET337,
Vorstellung von Themen für Bachelor-Arbeiten in Physik an der Universität Mainz
 
12.10.10Néel transition of fermionic atoms in an optical trap: a real-space dynamic mean-field study (teaser talk),
Conference Frontiers of Ultracold Atoms, KITP, Santa Barbara
07.10.10Quantum Monte Carlo simulations of ultracold fermions on optical lattices within dynamical mean-field theory,
Condensed Matter Seminar, UC Davis
27.09.10Quanten-Monte-Carlo Simulationen von ultrakalten Fermionen auf optischen Gittern,
465. Heraeus-Seminar Analytische und numerische Methoden korrelierter Elektronen, Bad Honnef
17.09.10Numerically exact Monte Carlo algorithms for quantum impurity problems,
SRFN workshop Ebernburg
08.08.10Néel transition of fermionic atoms in an optical trap: a real-space DMFT study,
Workshop Realistic Theories of Correlated Electrons in Condensed Matter, Moskow/Volga, Russia
01.07.10Magnetism in low/finite dimensions - can DMFT be relevant?,
Mini-Workshop, Marburg
23.06.10Néel transition of fermionic atoms in an optical trap: a real-space DMFT study,
Conference on Computational Physics (CCP2010), Trondheim, Norway
03.05.10Quantum Monte Carlo simulations of ultracold fermions on optical lattices within dynamical mean-field theory,
Computational Material Science seminar, Universität Wien
22.04.10Quantum Monte Carlo simulations of ultracold fermions on optical lattices within dynamical mean-field theory,
Colloquium of the SFB/TR 49, Mainz
09.02.10Néel transition of fermionic atoms in an optical trap: a real-space DMFT study (teaser talk),
Conference Materials by Design, KITP, Santa Barbara
 
17.12.09Quantum Monte Carlo simulations of ultracold fermions on optical lattices within dynamical mean-field theory,
Conference on Computational Physics (CCP2009), Kaohsiung, Taiwan
05.11.09Quantum Monte Carlo simulations of ultracold fermions on optical lattices within dynamical mean-field theory,
The Heidelberg-Mainz Seminar on Mathematical Physics, Mainz
29.09.09DMFT simulations of ultracold fermions in optical lattices,
CECAM Workshop on Recent Developments in Dynamical Mean Field Theory, ETH Zürich
24.03.09Mott transitions at variable spin/orbital degeneracy,
TT 15.7, DPG Frühjahrstagung, Dresden
 
17.10.08Precise, efficient and unbiased QMC simulations within DMFT,
Miniworkshop Mainz-Marburg
07.10.08Multigrid Hirsch-Fye quantum Monte Carlo method for dynamical mean-field theory,
Sonderseminar am Institut für Festkörperphysik der TU Wien
01.10.08Quantum Monte Carlo simulations of strongly correlated fermions within dynamical mean-field theory,
Kick-Off Meeting Rechnergestützte Forschungsmethoden in den Naturwissenschaften
24.09.08Quantum Monte Carlo simulations of strongly correlated fermions within dynamical mean-field theory,
Lecture in student workshop of the SFB/TR 49
28.08.08Multigrid Hirsch-Fye quantum Monte Carlo method for dynamical mean-field theory,
22nd General Conference of the Condensed Matter Division of the European Physical Society, Rome
08.08.08Multigrid Hirsch-Fye quantum Monte Carlo algorithm for dynamical mean-field theory,
Conference on Computational Physics (CCP2008), Ouro Preto
12.06.08How does a Fermi liquid break down -- or does it?,
Seminar Vielteilchenprobleme, Univ. Marburg
28.05.08Multigrid Hirsch-Fye quantum Monte Carlo solver for dynamical mean-field theory,
Seminar zur Theorie korrelierter Elektronensysteme, Universität Augsburg
27.02.08Multigrid Hirsch-Fye quantum Monte Carlo solver for dynamical mean-field theory, TT 23.1, DPG Frühjahrstagung, Berlin
08.02.08Multigrid Hirsch-Fye quantum Monte Carlo method for dynamical mean-field theory,
Miniworkshop Mainz-Marburg, Mainz
10.01.08Quantum Monte Carlo simulations of strongly correlated electron systems within dynamical mean-field theory, Theoriekolloquium, Mainz
 
05.12.07Multigrid Hirsch-Fye quantum Monte Carlo algorithm for dynamical mean-field theory, Gruppenseminar KOMET 337, Mainz
24.11.07Flavour-selective Mott transitions of ultracold quantum gases on optical lattices, SFB/TR 49 workshop, Schmitten
21.09.07Quantum Monte Carlo Simulations within Dynamical Mean-Field Theory, MATCOR Summer School "Theory of the Electronic Structure of Materials", Königsfeld
13.07.07Quantum Monte Carlo Simulations within Dynamical Mean-Field Theory, Theoretisch-Physikalisches Seminar, Institut für Theoretische Physik, Leibniz Universität Hannover
05.07.07Critical exponents in strongly correlated electron systems, Institutstreff 2007, Institut für Physik, Universität Mainz
08.06.07Quantum Monte Carlo simulations of strongly correlated electron systems within dynamical mean-field theory, EPS Computational Physics Group meeting, Mainz
19.04.07Theory of materials with high spin polarization, Begutachtung der DFG-Forschergruppe 559, Mainz
26.03.07Nature and order of orbital-selective Mott transitions
DPG Frühjahrstagung Regensburg
02.03.07Orbital-selective Mott transitions
Korrelationstage 2007
16.02.07Efficiency of QMC DMFT solvers
Miniworkshop Mainz-Marburg
 
23.08.06Orbital-selective Mott transitions in two-band Hubbard models
International Conference on Magnetism (ICM), Kyoto
30.03.06Orbital-selective Mott transitions in Hubbard models with orbital-dependent hopping
DPG Frühjahrstagung Dresden
 
01.08.05Orbital-selective Mott transitions in the anisotropic two-band Hubbard model at finite temperatures
Miniconference on Dynamical Mean-Field Theory for Correlated Electrons: Applications to Real Materials, Extensions and Perspectives, Trieste
28.07.05Orbital-selective Mott transitions in the anisotropic 2-band Hubbard model
NEDO meeting Mainz
28.06.05Dynamical mean-field theory of Mott transitions and Mott insulators
Theorieseminar, Univ. Kaiserslautern
30.05.05Quantum Monte Carlo Studies of Mott Metal-Insulator Transitions within Dynamical Mean-field Theory
Bewerbungsvortrag (NF Dederichs), IFF Jülich
26.02.05 High-precision DMFT algorithms for double perovskite models
Symposium der DFG-Forschergruppe 559
 
26.11.04 Modeling of half-metallic double perovskites within the Dynamical Mean-field Theory (DMFT)
Theorieseminar zur DFG-Forschergruppe 559
12.11.04Quantum Monte Carlo Simulations within the Dynamical Mean-field Theory (DMFT)
Theorieseminar zur DFG-Forschergruppe 559
28.05.04Modeling of strongly correlated electron systems
Jahrestagung des Materialwissenschaftlichen Forschungszentrums (MWFZ), Univ. Mainz
20.04.04Dynamical mean field theory of strongly correlated electron systems
Bewerbungsvortrag (Juniorprofessur für Theoretische Physik), Univ. Frankfurt
12.03.04Energy of the Mott insulator - 10th order perturbation theory extended to infinite order using QMC
N. Blümer and E. Kalinowski
DPG-Tagung Regensburg
 
17.07.03Quanten-Monte-Carlo-Untersuchungen stark korrelierter Elektronensysteme
Institutstreff des FB Physik, Univ. Mainz
26.05.03Thermodynamics of the Mott-Hubbard metal-insulator transition in high dimensions
Seminar Vielteilchenprobleme, Univ. Marburg
27.02.03 Optical Conductivity of Strongly Correlated Electron Systems in High Dimensions
Korrelationstage, MPI-PKS Dresden
 
13.12.02Mott-Hubbard Metal-Insulator Transition and Optical Conductivity in High Dimensions
Disputation der Dissertation in Augsburg
19.11.02 Optical Conductivity of Strongly Correlated Electron Systems in High Dimensions
Seminar von Prof. Kopietz, Univ. Frankfurt
16.10.02 Optical Conductivity of Strongly Correlated Electron Systems in High Dimensions
Lehrstuhlseminar Theoretische Physik III, Univ. Augsburg
 
29.03.01Thermodynamics of the Mott-Hubbard metal-insulator transition in d -> oo
N. Blümer, P. G. J. van Dongen, and D. Vollhardt
DPG-Frühjahrstagung (TT 23.2), Hamburg
28.03.01Berechnung von Photoemissionsspektren des dotierten Mott-Isolators La1-xSrxTiO3 mit LDA+DMFT(QMC)
N. Blümer, I.A. Nekrasov, K. Held, A.I. Poteryaev, V.I. Anisimov, D. Vollhardt
DPG-Frühjahrstagung (TT 17.3), Hamburg
 
05.12.00Paramagnetic Mott-Hubbard metal-insulator transition in d -> oo
Seminar on Condensed Matter Theory / SFB TR6, Univ. Mainz
29.11.00Paramagnetic Mott-Hubbard metal-insulator transition in d -> oo
Lehrstuhlseminar Theoretische Physik III, Univ. Augsburg
30.06.00Realistic modeling of strongly correlated materials using LDA+DMFT(QMC): Photoemission spectra of La1-xSrxTiO_3
I.A. Nekrasov, K. Held, N. Blümer, A.I. Poteryaev, V.I. Anisimov, D. Vollhardt
Euroconfercence on Novel Physics and New Materials, Cambridge
26.06.00Mott-Hubbard metal-insulator transition in d -> oo
N. Blümer, R. Bulla, J. Schlipf, M. Jarrell, P. van Dongen, S. Kehrein, Th. Pruschke, D. Vollhardt
Euroconfercence on Novel Physics and New Materials, Cambridge
30.03.00Mott-Hubbard metal-insulator transition in d -> oo
N. Blümer, R. Bulla, J. Schlipf, M. Jarrell, P. van Dongen, S. Kehrein, Th. Pruschke, D. Vollhardt
DPG-Frühjahrstagung (TT 21.2), Regensburg
 
01.12.99Optische Leitfähigkeit, Loops und das Bethe-Gitter
Lehrstuhlseminar Theoretische Physik III, Univ. Augsburg
23.06.99Optische Leitfähigkeit im d -> oo Hubbard Modell: Grundlagen
Lehrstuhlseminar Theoretische Physik III, Univ. Augsburg
 
09.12.98Optische Leitfähigkeit im Hubbard Modell
Lehrstuhlseminar Theoretische Physik III, Univ. Augsburg
01.07.98Journal Club: Die Moriya-Theorie des Magnetismus
Lehrstuhlseminar Theoretische Physik III, Univ. Augsburg
26.03.98Leerstellen in festem Helium-4
DPG-Frühjahrstagung (TT 14.6), Regensburg
18.02.98Statistische Auswertung in der Physik, Sonnenneutrinos
Lehrstuhlseminar Theoretische Physik III, Univ. Augsburg
 
17.12.97Leerstellen in festem Helium
Lehrstuhlseminar Theoretische Physik III, Univ. Augsburg
11.09.97Vacancies in solid Helium
Workshop on Cooperative Phenomena in Many-Body-Systems in Physics, Bad Honnef
 
13.03.96
Lehrstuhlseminar Theoretische Physik C, RWTH Aachen
 
21.12.95QMC investigations of ferromagnetism in an extended Hubbard model
Treffen des SFB 341, Teilbereich B7, Aachen