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Magnetic monopoles and synthetic spin-orbit coupling in Rydberg macrodimers.

Research paper by Martin M Kiffner, Wenhui W Li, Dieter D Jaksch

Indexed on: 18 May '13Published on: 18 May '13Published in: Physical review letters



Abstract

We show that sizable Abelian and non-Abelian gauge fields arise in the relative motion of two dipole-dipole interacting Rydberg atoms. Our system exhibits two magnetic monopoles for adiabatic motion in one internal two-atom state. These monopoles occur at a characteristic distance between the atoms that is of the order of one micron. The deflection of the relative motion due to the Lorentz force gives rise to a clear signature of the effective magnetic field. In addition, we consider nonadiabatic transitions between two near-degenerate internal states and show that the associated gauge fields are non-Abelian. We present quantum mechanical calculations of this synthetic spin-orbit coupling and show that it realizes a velocity-dependent beam splitter.