Universal dynamical protection of quantum information from decoherence

G. Gordon; G. Kurizki

doi:10.1117/12.663839

12 May 2006 Universal dynamical protection of quantum information from decoherence

G. Gordon, G. Kurizki

Proceedings Volume 6244, Quantum Information and Computation IV; 624407 (2006) https://doi.org/10.1117/12.663839
Event: Defense and Security Symposium, 2006, Orlando (Kissimmee), Florida, United States

Abstract

A unified theory is given of dynamically modified decay and decoherence of field-driven multilevel multipartite entangled states that are weakly coupled to zero-temperature baths. The theory allows for arbitrary local differences in their coupling to the environment. Due to such differences, the optimal driving-field modulation to ensure maximal fidelity is found to substantially differ from conventional π-phase flips of the single-qubit evolution.

Citation Download Citation

G. Gordon and G. Kurizki "Universal dynamical protection of quantum information from decoherence", Proc. SPIE 6244, Quantum Information and Computation IV, 624407 (12 May 2006); https://doi.org/10.1117/12.663839

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