Pauli Propagation: A Computational Framework for Simulating Quantum Systems

• URL: http://arxiv.org/abs/2505.21606v1
• Date: Tue, 27 May 2025 17:52:57 GMT
• Title: Pauli Propagation: A Computational Framework for Simulating Quantum Systems
• Authors: Manuel S. Rudolph, Tyson Jones, Yanting Teng, Armando Angrisani, Zoë Holmes,
• Abstract summary: We provide a comprehensive account of Pauli propagation, tracing its algorithmic structure from its bit-level implementation to its high-level user applications.<n>We present Pauli propagation.jl, a Julia software package that can perform rapid Pauli propagation simulation straight out-of-the-box.
• Score: 0.0
• License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/
• Abstract: Classical methods to simulate quantum systems are not only a key element of the physicist's toolkit for studying many-body models but are also increasingly important for verifying and challenging upcoming quantum computers. Pauli propagation has recently emerged as a promising new family of classical algorithms for simulating digital quantum systems. Here we provide a comprehensive account of Pauli propagation, tracing its algorithmic structure from its bit-level implementation and formulation as a tree-search problem, all the way to its high-level user applications for simulating quantum circuits and dynamics. Utilising these observations, we present PauliPropagation.jl, a Julia software package that can perform rapid Pauli propagation simulation straight out-of-the-box and can be used more generally as a building block for novel simulation algorithms.

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