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Open Quantum Systems Decoherence Quantum Simulation

Shortcuts to adiabatic passage for fast generation of Greenberger-Horne-Zeilinger states by transitionless quantum driving

arXiv
Authors: Ye-Hong Chen, Yan Xia, Jie Song, Qing-Qin Chen

Year

2014

Paper ID

46284

Status

Preprint

Abstract Read

~2 min

Abstract Words

101

Citations

N/A

Abstract

Berry's approach on "transitionless quantum driving" shows how to set a Hamiltonian which drives the dynamics of a system along instantaneous eigenstates of a reference Hamiltonian to reproduce the same final result of an adiabatic process in a shorter time. In this paper, motivated by transitionless quantum driving, we construct shortcuts to adiabatic passage in a three-atom system to create the Greenberger-Horne-Zeilinger states with the help of quantum Zeno dynamics and of non-resonant lasers. The influence of various decoherence processes is discussed by numerical simulation and the result proves that the scheme is fast and robust against decoherence and operational imperfection.

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  • Berry's approach on "transitionless quantum driving" shows how to set a Hamiltonian which drives the dynamics of a system along instantaneous eigenstates of a reference...

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References & Citation Signals

[1] DOI https://doi.org/arXiv:1411.6747 [2] arXiv https://arxiv.org/abs/1411.6747 [3] Publisher https://arxiv.org/abs/1411.6747

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