Error-disturbance uncertainty relations in a superconducting quantum processor

التفاصيل البيبلوغرافية
العنوان: Error-disturbance uncertainty relations in a superconducting quantum processor
المؤلفون: Dong, Tingrui, Baek, Soyoung, Kaneda, Fumihiro, Edamatsu, Keiichi
سنة النشر: 2023
المجموعة: Quantum Physics
مصطلحات موضوعية: Quantum Physics
الوصف: We experimentally test the error-disturbance uncertainty relation (EDR) in generalized, variable strength measurements of superconducting qubits on a NISQ processor. Making use of sequential weak measurements that keeps the initial signal state practically unchanged prior to the main measurement, we demonstrate that the Heisenberg EDR is violated, yet the Ozawa and Branciard EDRs are valid throughout the range of measurement strengths from no measurement to projection measurement. Our results verify that universal EDRs are valid even in a noisy quantum processor and will stimulate research on measurement-based quantum information and communication protocols using a NISQ processor.
Comment: 6 pages, 4 figures. arXiv admin note: text overlap with arXiv:1308.5868
نوع الوثيقة: Working Paper
URL الوصول: http://arxiv.org/abs/2311.00303
رقم الأكسشن: edsarx.2311.00303
قاعدة البيانات: arXiv