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Probabilistic Simulation of Quantum Computing Algorithms using Monte Carlo Methods

Jincheng Zhang

Published Sep 5, 2026• 0 citations
Publisher

Abstract

This paper presents a novel approach to simulating quantum computing algorithms using Monte Carlo methods, specifically designed to account for the inherent probabilistic nature of quantum systems. Traditional simulation methods often rely on deterministic models, which fail to capture the fundamental uncertainty associated with quantum mechanics. Our method employs a stochastic simulation engine that accurately models the probabilistic behavior of quantum gates and measurements. The core of the approach involves generating a large number of samples, each representing a possible outcome of a quantum computation. By analyzing the statistical distribution of these samples, we can approximate the expected results of the algorithm. This technique offers a practical way to evaluate the performance of quantum algorithms, especially those with high levels of uncertainty, and provides a valuable tool for algorithm design and optimization. The method avoids the limitations of purely deterministic simulations and offers a more realistic representation of quantum computation. Key aspects include the development of a robust sampling strategy and the efficient calculation of probabilities. The approach is demonstrated through a detailed explanation and illustrative examples, focusing on the conceptual framework and the underlying mathematical principles.

DOI
10.5281/zenodo.22315344

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Quantum circuit optimization remains a critical challenge in the development of quantum computing. Traditional dynamic programming (DP) methods, while effective for deterministic circuit design, fail to adequately address the inherent probabilistic nature of quantum operations. This paper proposes a novel approach that extends DP algorithms by explicitly incorporating probabilistic models representing uncertainties in quantum gate operations and qubit measurements. The core idea is to leverage Monte Carlo simulations to estimate expected costs and rewards within the DP framework. This allows for a more realistic and potentially efficient solution to the circuit optimization problem, considering the statistical fluctuations that are fundamental to quantum computing. We demonstrate the feasibility of this method conceptually, outlining the key components and algorithmic steps. Further research and implementation will be necessary to fully realize the potential of this approach.
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