强耦合极限下晶格QCD的量子计算资源

IF 5.6 2区物理与天体物理 Q1 OPTICS

EPJ Quantum Technology Pub Date : 2025-08-05 DOI:10.1140/epjqt/s40507-025-00395-6

Michael Fromm, Lucas Katschke, Owe Philipsen, Wolfgang Unger

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引用次数: 0

摘要

我们考虑了无质量交错夸克晶格QCD的强耦合极限，并研究了用哈密顿公式模拟该理论所需的资源。色单重态自由度的玻色子希尔伯特空间随着夸克口味的数量迅速增长\(N_{f}\)，使其成为跨不同平台考虑资源的合适试验场。特别是，除了量子比特计算的标准模型外，我们还考虑将理论映射到量子位\((d>2)\)和量子模，分别用于原子系统和光子器件。随后，我们使用一阶乘积公式推导了量子模拟理论所需的资源，用于不同数量的夸克口味\(N_{f}=1\)和\(N_{f} = 2\)。

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Quantum computational resources for lattice QCD in the strong-coupling limit

We consider the strong-coupling limit of lattice QCD with massless staggered quarks and study the resource requirements for quantum simulating the theory in its Hamiltonian formulation. The bosonic Hilbert space of the color-singlet degrees of freedom grows quickly with the number of quark flavors \(N_{f}\), making it a suitable testing ground for resource considerations across different platforms. In particular, in addition to the standard model of computation with qubits, we consider mapping the theory to qudits \((d>2)\) and qumodes, as used on atomic systems and photonic devices, respectively. We subsequently derive the resource requirements to quantum simulate the theory, for varying number of quark flavors \(N_{f}=1\) and \(N_{f} = 2\), using a first-order product formula.

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来源期刊

EPJ Quantum Technology Physics and Astronomy-Atomic and Molecular Physics, and Optics

CiteScore

7.70

自引率

7.50%

发文量

审稿时长

71 days

期刊介绍： Driven by advances in technology and experimental capability, the last decade has seen the emergence of quantum technology: a new praxis for controlling the quantum world. It is now possible to engineer complex, multi-component systems that merge the once distinct fields of quantum optics and condensed matter physics. EPJ Quantum Technology covers theoretical and experimental advances in subjects including but not limited to the following: Quantum measurement, metrology and lithography Quantum complex systems, networks and cellular automata Quantum electromechanical systems Quantum optomechanical systems Quantum machines, engineering and nanorobotics Quantum control theory Quantum information, communication and computation Quantum thermodynamics Quantum metamaterials The effect of Casimir forces on micro- and nano-electromechanical systems Quantum biology Quantum sensing Hybrid quantum systems Quantum simulations.