Open-system modeling of quantum annealing: theory and applications

• URL: http://arxiv.org/abs/2107.07231v1
• Date: Thu, 15 Jul 2021 10:12:41 GMT
• Title: Open-system modeling of quantum annealing: theory and applications
• Authors: Ka Wa Yip
• Abstract summary: We give derivations and numerical recipes for effective parallel simulation methods. We consider the weak-coupling limit to an environment and also the case of $1/f$ noise.
• Score: 0.0
• License: http://creativecommons.org/licenses/by/4.0/
• Abstract: In this dissertation, we explore how quantum annealing (QA) and its applications behave in an open system setting. We give derivations and numerical recipes for effective parallel simulation methods for time-dependent open dynamics of quantum annealing devices. We consider the weak-coupling limit to an environment and also the case of $1/f$ noise. The stochastic time-dependent quantum trajectories technique can be utilized in studying weak measurements and feedback error correction in quantum annealing. Then we focus on opensystem descriptions of reverse annealing (RA), which is a promising variant and application of quantum annealing. We show that, with various simulation tools, reverse annealing can benefit from the interaction between the annealer and its environment.

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