Adiabatic quantum computation in open systems.
نویسندگان
چکیده
We analyze the performance of adiabatic quantum computation (AQC) subject to decoherence. To this end, we introduce an inherently open-systems approach, based on a recent generalization of the adiabatic approximation. In contrast to closed systems, we show that a system may initially be in an adiabatic regime, but then undergo a transition to a regime where adiabaticity breaks down. As a consequence, the success of AQC depends sensitively on the competition between various pertinent rates, giving rise to optimality criteria.
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ورودعنوان ژورنال:
- Physical review letters
دوره 95 25 شماره
صفحات -
تاریخ انتشار 2005