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Non-Hermitian shortcut to adiabaticity

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arxiv 1306.0698 v1 pith:TZEBBF4X submitted 2013-06-04 quant-ph

Boyan T. Torosov , Giuseppe Della Valle , Stefano Longhi This is my paper
classification quant-ph
keywords adiabaticitymodelnon-hermitianshortcutaddingallen-eberlyapplyarbitrarily
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A non-Hermitian shortcut to adiabaticity is introduced. By adding an imaginary term in the diagonal elements of the Hamiltonian of a two state quantum system, we show how one can cancel the nonadiabatic losses and perform an arbitrarily fast population transfer, without the need to increase the coupling. We apply this technique to two popular level-crossing models: the Landau-Zener model and the Allen-Eberly model.

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