Conférences  >  Physique  >  Matériaux quantiques, basses températures  >  Allemagne

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1
WE-Heraeus-Seminar — Advances in Quantum Simulation and Sensing with Ultracold Gases
24 jui 2024 - 28 jui 2024 • Bad Honnef, Allemagne
Résumé:
Since the first experimental realization of Bose-Einstein condensation in ultracold atomic gases in 1995, there have been several substantial breakthroughs. Today, systems of bosonic or fermionic quantum gases allow for an unprecedented high level of experimental control concerning all ingredients of the underlying many-body Hamiltonian. Therefore, ultracold gases are considered to be ideal quantum simulators, that is, they are best capable to simulate difficult problems in quantum many-body physics as they occur in condensed matter and other fields of physics. In response to the occurrence of many new research directions in recent years, it is highly desirable to give a coherent overview over the diverse facets which are now appearing, and to reflect upon the future perspectives of the field.
Identifiant de l'évènement:
1592369
Sujets apparentés:
2
Workshop — Topological Quantum Matter in Magnetic and Synthetic Platforms
08 jul 2024 - 12 jul 2024 • Dresden , Allemagne
Organisateur:
Max Planck Institute for the Physics of Complex Systems (MPI-PKS)
Identifiant de l'évènement:
1600290
Sujets apparentés:
3
Bad Honnef Physics School — Next Generation Quantum Materials: Correlations and Magnetism Meet Topology
15 sep 2024 - 20 sep 2024 • Physikzentrum Bad Honnef, Allemagne
Résumé:
Quantum Materials research is an umbrella term that describes the investigation of strongly correlated electron systems, unconventional magnets and superconductors, and topological phases of matter. In recent years, a new generation of materials has emerged at the intersection of these subfields, which offers a unique opportunity to study the interplay of electronic correlations and topology.
Identifiant de l'évènement:
1602022
4
correl24 — Autumn School on Correlated Electrons: Correlations and Phase Transitions
16 sep 2024 - 20 sep 2024 • Jülich, Allemagne
Organisateur:
Forschungszentrum Jülich
Résumé:
Emergent phenomena are the essence of condensed-matter physics and at the same time what makes the behavior of correlated materials appealing for applications. They are, however, hard to understand at a fundamental level. It is the interplay of several competing interactions — none of which can be treated as a mere perturbation, leading to the emergence of effective interactions — that makes their description a grand challenge. Addressing this problem requires mastery of a wide spectrum of theoretical concepts, ranging from materials modeling using first-principles approaches to advanced many-body methods based on dynamical mean-fields, stochastic simulations and renormalization techniques. The concepts of symmetry, topological invariance and the classification of transitions between phases are of crucial importance to bring order to the plethora of observed phenomena.

The goal of this year’s school is to provide students with an overview of the state-of-the-art in the field of emergent phases in strongly correlated systems and the many techniques used to investigate them. The program will start with fundamental models and concepts, introducing the Hubbard and Anderson Hamiltonians and their physics, and providing an overview of field-theoretical aspects of condensed-matter physics. More advanced lectures will introduce symmetries, Berry phases and topological quantum matter. The focus will then turn to emergent phenomena: superconductivity, conventional and non-conventional, Kondo and heavy-fermion behavior, Kosterlitz-Thouless transitions, Mott phases, orbital-ordering, and quantum phase transitions. The topics will be treated both from the view point of simple models and that of real materials, with an outlook on materials design from the theoretical and experimental viewpoint. The theoretical approaches covered will go from density-functional-theory-based methods to dynamical mean-field theory and quantum Monte Carlo. Experimental lectures will cover phenomena under normal and extreme conditions.

Contact:
Email.: correl24@fz-juelich.de
Sujets:
strong correlations, Mott transition, Kondo physics, quantum magnetism, superconductivity, quantum Monte Carlo, emergent phenomena, dynamical mean-field theory, materials simulations
Identifiant de l'évènement:
1615993
5
Workshop — Machine Learning for Quantum Matter
24 fév 2025 - 28 fév 2025 • Dresden , Allemagne
Organisateur:
Max Planck Institute for the Physics of Complex Systems (MPI-PKS)
Identifiant de l'évènement:
1600351


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Dernière mise à jour: 19 avril 2024