Virus Spreading in Quantum Networks

• URL: http://arxiv.org/abs/2510.18105v2
• Date: Thu, 06 Nov 2025 22:55:24 GMT
• Title: Virus Spreading in Quantum Networks
• Authors: Junpeng Hou, Mark M. Seidel, Chuanwei Zhang,
• Abstract summary: We investigate the problem of virus spreading in quantum networks.<n>Our results show that quantum networks tend to be more resilient to viral infections.<n>These findings provide key insights into the security and reliability of future large-scale quantum communication systems.
• Score: 0.8124633573706762
• License: http://creativecommons.org/licenses/by/4.0/
• Abstract: Recent advances in quantum communication have enabled long-distance secure information transfer through quantum channels, giving rise to quantum networks with unique physical and statistical properties. However, as in classical networks, the propagation of viruses in these systems could have severe consequences. Here, we investigate the critical problem of virus spreading in quantum networks. We develop quantitative tools, particularly a modified nonlinear dynamical system model, for performing epidemiological analyses on quantum networks. Our results show that quantum networks tend to be more resilient to viral infections, exhibiting higher epidemic thresholds than classical networks with identical graph topologies. This apparent robustness, however, arises primarily from the sparser connectivity inherent to the quantum networks. When the comparison is made at a fixed average connectivity, classical and quantum networks display comparable epidemic thresholds. These findings provide key insights into the security and reliability of future large-scale quantum communication systems. Our work bridges the fields of quantum information science, network theory, and epidemiology, paving the way for future studies of quantum epidemiological dynamics.

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