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Solvable multistate model of Landau-Zener transitions in cavity QED (1602.03136v5)
Published 9 Feb 2016 in cond-mat.mes-hall, math-ph, math.MP, and quant-ph
Abstract: We consider the model of a single optical cavity mode interacting with two-level systems (spins) driven by a linearly time-dependent field. When this field passes through values at which spin energy level splittings become comparable to spin coupling to the optical mode, a cascade of Landau-Zener (LZ) transitions leads to co-flips of spins in exchange for photons of the cavity. We derive exact transition probabilities between different diabatic states induced by such a sweep of the field.