INQA Conference 2025: Ana Palacios - Qilimanjaro Quantum Tech / University of Barcelona
Автор: INQA
Загружено: 2025-11-28
Просмотров: 9
Title: The role of coherence in many-body Quantum Reservoir
Computing
Abstract: Quantum Reservoir Computing (QRC) offers potential advantages
over classical reservoir computing, including inherent processing of quantum
inputs and a vast Hilbert space for state exploration. Yet, the relation between the performance of reservoirs based on complex and many-body quantum systems and non-classical state features is not established. Through an extensive analysis of QRC based on a transverse-field Ising model we show how different quantum effects, such as quantum coherence and correlations, contribute to improving the performance in temporal tasks, as measured by the Information Processing Capacity. Additionally, we critically assess the impact of finite measurement resources and noise on the reservoir’s dynamics in different regimes, quantifying the limited ability to exploit quantum effects for increasing damping and noise strengths. Our results reveal a monotonic relationship between reservoir performance and coherence, along with the importance of quantum effects in the ergodic regime.
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