Many-body hierarchy of dissipative timescales in a quantum computer

Oscar Emil Sommer, F. Piazza, D. J. Luitz
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引用次数: 17

Abstract

We show that current noisy quantum computers are ideal platforms for the simulation of quantum many-body dynamics in generic open systems. We demonstrate this using the IBM Quantum Computer as an experimental platform for confirming the theoretical prediction from [Phys. Rev. Lett.124, 100604 (2020)] of an emergent hierarchy of relaxation timescales of many-body observables involving different numbers of qubits. Using different protocols, we leverage the intrinsic dissipation of the machine responsible for gate errors, to implement a quantum simulation of generic (i.e. structureless) local dissipative interactions.
量子计算机中耗散时标的多体层次
我们表明,当前的噪声量子计算机是模拟通用开放系统中量子多体动力学的理想平台。我们使用IBM量子计算机作为实验平台来验证[物理学]的理论预测。涉及不同量子比特数的多体可观测物的弛化时间尺度的新兴层次。使用不同的协议,我们利用负责门错误的机器的固有耗散,实现通用(即无结构)局部耗散相互作用的量子模拟。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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