Non-Abelian gauge potentials for ultra-cold atoms with degenerate dark states

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dc.creatorRuseckas, J.
dc.creatorJuzeliunas, G.
dc.creatorOehberg, P.
dc.creatorFleischhauer, M.
dc.date2005-03-08
dc.date.accessioned2026-07-07T06:37:34Z
dc.date.available2026-07-07T06:37:34Z
dc.descriptionWe show that the adiabatic motion of ultra-cold, multi-level atoms in spatially varying laser fields can give rise to effective non-Abelian gauge fields if degenerate adiabatic eigenstates of the atom-laser interaction exist. A pair of such degenerate dark states emerges e.g. if laser fields couple three internal states of an atom to a fourth common one under pairwise two--photon-resonance conditions. For this so-called tripod scheme we derive general conditions for truly non-Abelian gauge potentials and discuss special examples. In particular we show that using orthogonal laser beams with orbital angular momentum an effective magnetic field can be generated that has a monopole component.
dc.description4 pages, 1 figure
dc.identifierhttps://arxiv.org/abs/cond-mat/0503187
dc.identifierhttp://arxiv.org/abs/cond-mat/0503187
dc.identifierPhys. Rev. Lett. 95, 010404 (2005)
dc.identifierdoi:10.1103/PhysRevLett.95.010404
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/100436
dc.subjectMesoscale and Nanoscale Physics
dc.subjectQuantum Physics
dc.titleNon-Abelian gauge potentials for ultra-cold atoms with degenerate dark states
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