Three-level superadiabatic quantum driving

Year: 2014

Authors: Giannelli L., Arimondo E.

Autors Affiliation: Univ Pisa, Dipartimento Fis, I-56127 Pisa, Italy; Univ Pisa, INO CNR, I-56127 Pisa, Italy.

Abstract: The superadiabatic quantum driving, producing a perfect adiabatic transfer on a given Hamiltonian by introducing an additional Hamiltonian, is theoretically analyzed for transfers within a three-level system. Our starting point is the stimulated Raman adiabatic passage, realized through different schemes of laser pulses. We determine the superadiabatic correction for each scheme. The fidelity, robustness, and transfer time of all the superadiabatic transfer schemes are discussed. We derive that all superadiabatic corrections are based on a pi- (or near-pi)-area pulse coupling between the initial and final states. The benefits in the protocol robustness overcome the difficulties associated to the actual implementation of the three-level superadiabatic transfer.

Journal/Review: PHYSICAL REVIEW A

Volume: 89 (3)      Pages from: 33419-1  to: 33419-9

More Information: This work was supported by the PRIN-2009 Project Quantum Gases beyond Equilibrium of the MIUR-Italy and by the EUMarie Curie ITN COHERENCE. The authors thank R. Mannella and P. Pillet for useful discussions and suggestions, and D. Ciampini for a careful exam of the manuscript.
KeyWords: Coherent Population Transfer; Adiabatic Processes; Lambda-system; Pulses; States; Passage
DOI: 10.1103/PhysRevA.89.033419

Citations: 85
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