Monday, April 8, 2013

1304.1597 (Martin Kiffner et al.)

Magnetic monopoles and synthetic spin-orbit coupling in Rydberg
macrodimers
   [PDF]

Martin Kiffner, Wenhui Li, Dieter Jaksch
We show that sizeable 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 non-adiabatic 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 beamsplitter.
View original: http://arxiv.org/abs/1304.1597

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