Many-Body Physics: From Kondo to Hubbard
Autumn School organized by the Forschungszentrum Jülich and the German Research School for Simulation Sciences
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Beschreibung
Many-body physics has the daunting task of describing the collective behavior of vast assemblies
of elementary objects. While the fundamental laws are known, exact solutions like the
Bethe Ansatz are exceedingly rare. Nonetheless, the past century has witnessed a continuous
stream of conceptual breakthroughs, prompted by unforeseen discoveries of new states of matter:
superconductivity and superfluidity, antiferromagnetism, the Kondo effect, the Mott transition,
symmetry breaking, spin glasses and frustration, heavy Fermions, and high-temperature
superconductivity. Each of these cooperative phenomena is an example of emergence at work.
Their essence can often be captured by simple model Hamiltonians. Describing the richness of
real matter requires, however, to increase the complexity of the models significantly, as emergent
phenomena are frequently governed by the interplay of several scales. In this year’s school
we will highlight the Kondo effect, the physics of the Hubbard model, and frustrated quantum
spins, covering the range from fundamental mechanisms to the modeling of real materials.
The aim of the school is to introduce advanced graduate students and up to the essence of
emergence and modern approaches for modeling strongly correlated matter
Autor*in
Piers Coleman