Every semester the Arnold Sommerfeld Center for Theoretical Physics invites a distinguished theoreti
This talk is devoted to quantum propagation of dipole excitations in two dimensions in the presence
Localization of the eigenfunctions of quantum particles in a random potential was discovered by P.W.
During more than 100 years of its history Quantum Mechanics passed all of the experimental checks an
The last three decades have witnessed the discovery of many new superconductors, with properties dra
String theory was originally constructed as a unification of the quantum field theory of elementary
In many modern materials, electrons quantum‐entangle with each other across long distances, and prod
Cosmic strings are linear defects that could be formed at a phase transition in the early universe.
Recent developments in cosmology suggest that the big bang was not a unique event in the cosmic hist
According to the Landau description of Fermi liquids, low- energy excitations in metals are construc
From copper-oxide superconductors to rare-earth compounds, materials with strong electronic correlat
Which property of a material is more familiar to us than its color? And yet, the strange laws of qua
