Quantum-Trajectory-Inspired Lindbladian Simulation

doi:10.1103/ssrs-8x32

	Quantum-Trajectory-Inspired Lindbladian Simulation
	Peng, Sirui 1,2; Sun, Xiaoming 1; Zhao, Qi 3; Zhou, Hongyi 1
	2025-09-22
发表期刊	PRX QUANTUM
卷号	6 期号:3 页码:21
摘要	Simulating the dynamics of open quantum systems is a crucial task in quantum computing, offering wide-ranging applications but remaining computationally challenging. In this paper, we propose two quantum algorithms for simulating the dynamics of open quantum systems governed by Lindbladians. We introduce a new approximation channel for short-time evolution, inspired by the quantum trajectory method, which underpins the efficiency of our algorithms. The first algorithm achieves a gate complexity independent of the number of jump operators, m, marking a significant improvement in efficiency. The second algorithm achieves near-optimal dependence on the evolution time t and precision epsilon and introduces only an additional (O) over tilde (m) factor, which strictly improves upon state-of-the-art gate-based quantum algorithm that has an (O) over tilde (m(2)) factor. The improvement stems from the integration of the new approximation channel with a novel structured linear combination of unitaries method. In both our algorithms, the reduction of dependence on m significantly enhances the efficiency of simulating practical dissipative processes characterized by a large number of jump operators.
DOI	10.1103/ssrs-8x32
收录类别	SCI
语种	英语
资助项目	National Natural Science Foundation of China[62325210] ; National Natural Science Foundation of China[92465202] ; National Natural Science Foundation of China[12204489] ; Innovation Program for Quantum Science and Technology[2024ZD0301900] ; National Natural Science Foundation of China (NSFC)[12347104] ; National Natural Science Foundation of China (NSFC)[12305030] ; Guangdong Basic and Applied Basic Research Foundation[2023A1515012185] ; Hong Kong Research Grant Council (RGC)[27300823] ; Hong Kong Research Grant Council (RGC)[N_HKU718/23] ; Hong Kong Research Grant Council (RGC)[R6010-23] ; Guangdong Provincial Quantum Science Strategic Initiative[GDZX2303007] ; HKU Seed Fund for Basic Research for New Staff[2201100596]
WOS研究方向	Physics
WOS类目	Quantum Science & Technology ; Physics, Applied ; Physics, Multidisciplinary
WOS记录号	WOS:001577294200002
出版者	AMER PHYSICAL SOC
引用统计
文献类型	期刊论文
条目标识符	http://119.78.100.204/handle/2XEOYT63/41687
专题	中国科学院计算技术研究所期刊论文_英文
通讯作者	Zhou, Hongyi
作者单位	1.Chinese Acad Sci, Inst Comp Technol, State Key Lab Processors, Beijing 100190, Peoples R China 2.Univ Chinese Acad Sci, Sch Comp Sci & Technol, Beijing 100049, Peoples R China 3.Univ Hong Kong, Sch Comp & Data Sci, QICI Quantum Informat & Computat Initiat, Pokfulam Rd, Hong Kong, Peoples R China
推荐引用方式 GB/T 7714	Peng, Sirui,Sun, Xiaoming,Zhao, Qi,et al. Quantum-Trajectory-Inspired Lindbladian Simulation[J]. PRX QUANTUM,2025,6(3):21.
APA	Peng, Sirui,Sun, Xiaoming,Zhao, Qi,&Zhou, Hongyi.(2025).Quantum-Trajectory-Inspired Lindbladian Simulation.PRX QUANTUM,6(3),21.
MLA	Peng, Sirui,et al."Quantum-Trajectory-Inspired Lindbladian Simulation".PRX QUANTUM 6.3(2025):21.