Konferenzen zum Thema Quantenmaterialien, Tieftemperaturphysik in Deutschland

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correl20 — Online-Edition of the Autumn School on Correlated Electrons: Topology, Entanglement, and Strong Correlations
21. Sep 2020 - 25. Sep 2020 • Jülich, Deutschland
Veranstalter:
Forschungszentrum Jülcih
Zusammenfassung:
Online-Edition of the Autumn School on Correlated Electrons. Topology and entanglement are key concepts in many-body physics. Understanding the associated emergent phenomena beyond toy models — in the world of real strongly-correlated materials — requires the mastery of a wealth of different methods. These encompass analytical tools such as group theory, first principles techniques based on density-functional theory, materials-specific model-building schemes, as well as advanced modern numerical approaches for solving realistic many-body models. This year’s school will provide students with an overview of the state-of-the art of these methods, their successes and their limitations. After introducing the basics, lectures will present the core concepts of topology and entanglement in many-body systems. To make contact to real materials, strategies for building materials specific models and techniques for their solution will be introduced. Among the latter, the school will cover quantum Monte Carlo methods, construction and optimization of correlated wave-functions, recursion and renormalization group techniques, as well as dynamical mean-field theory. More advanced lectures will give a pedagogical overview on topological materials and their physics: topological metals, semimetals, and superconductors. Towards the end of the school entanglement in quantum dynamics and perspectives in quantum computation will be discussed. The goal of the school is to introduce advanced graduate students and up to these modern approaches for the realistic modeling of strongly correlated materials. The school this year will be online.
Kontakt:
Email: correl20@fz-juelich.de
Themen:
strongly-correlated systems, strong correlations, effective Hamiltonian theory, Hubbard model and Mott physics, superconductivity density-functional theory, dynamical mean-field theory, LDA+DMFT and beyond, linear response, variational wave functions, exact diagonalization and quantum Monte Carlo, topological invariants, geometry and topology, spin-orbit and many-body interactions, topological metals and semimetals, topological superconductors, entangled states, measures of correlation, bond-particle approaches, entangled dynamics
Eintrags-ID:
1353576
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JCNS Workshop 2020 — Trends and Perspectives in Neutron Scattering: Quantum Materials From Bulk to Nano
13. Okt 2020 - 16. Okt 2020 • Tutzing, Deutschland
Veranstalter:
Jülich Centre for Neutron Science (JCNS), Forschungszentrum Jülich
Zusammenfassung:
A tremendous interest in the fundamental research of quantum materials has been triggered by the recent improvements in superconductivity and magnetism in low dimensions, by the realization of emergent quasi-particles such as skyrmions and magnetic monopoles, as well as by the potential applications of such systems for future information technology. As unique probe for studying magnetism, neutron scattering matches the entire range of length- and time-scales relevant for many novel magnetic and electronic phenomena. The workshop is devoted to the area of quantum materials in all their forms and it will bring together experts with neutron scattering users to discuss recent developments and trends in the understanding of the magnetic properties of quantum materials tackled by neutron methods and complementary techniques. The workshop will discuss current requirements and developments in such techniques and it is particularly dedicated to novel and upcoming experimental opportunities to discuss the scientific options and capabilities.
Kontakt:
Email: jcns-workshop@fz-juelich.de
Themen:
Bulk, Frustrated spin systems, Nano and Heterostructures, Low dimensional quantum magnetism, Superconductivity, Models of quantum magnetic systems, Magnetic nanoparticles, Quantum spin liquids, Quantum materials properties at high magnetic fields, Skyrmions
Eintrags-ID:
1333944
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Stand vom 04. Mai 2020