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Particles with fractional statistics interpolating between bosons and fermions have attracted considerable interest from mathematical physicists. In recent years it has emerged that these so-called anyons have rather unexpected applications, such as the fractional Hall effect, a…
The development of the supersymmetry technique has led to significant advances in the study of disordered metals and semiconductors. The technique has proved to be of great use in the analysis of modern mesoscopic quantum devices, but is also finding applications in a broad rang…
Recent advances in semiconductor technology have made it possible to fabricate microcavity structures in which both photon fields and electron--hole pairs (or excitons) are confined in a small volume comparable to their wavelength. The radiative properties of the electron--hole …
"The central question at the Solvay Congress in 1927 was: Is quantum mechanics a "complete theory," or is the statistical character of its predictions merely the reflection of our ignorance of an underlying causal infrastructure? Today, after forty years of unchecked success of …
