Synchronization over Resource-Causal Temporal Networks with Consumable Entanglement Links
Abstract
When communication consumes shared entanglement, a physical link does not guarantee that an interaction is available. We study synchronization of classical continuous-time systems whose interactions consume randomly replenished resources stored on edges. Under isotropic tangent coupling and state independent scheduling, the linearized evolution separates exactly into intrinsic node growth and an ordered product of communication matrices. This yields temporal contraction conditions and local nonlinear synchronization. Resource conservation bounds the contraction achievable by every schedule with acyclic event services. On a fixed acyclic orientation with a unique source, serving each ready edge immediately is optimal: the non-source node with the least total incoming supply determines the rate. Balanced incoming supplies attain the bound. For linear coupling on these orientations, a further condition guarantees synchronization throughout a convex invariant domain. In the specified Lorenz domain, this sufficient contraction requirement is about three percent above a necessary requirement for uniform exponential synchronization. Kuramoto simulations illustrate the effect of service direction, while Lorenz simulations compare resource policies and test local growth predictions against finite-time dynamics.
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BibTeX
@misc{niu2026synchronization,
title = {{Synchronization over Resource-Causal Temporal Networks with Consumable Entanglement Links}},
author = {Ruiwu Niu and Xiaoqun Wu and Guanrong Chen and Michaël Antonie van Wyk},
howpublished = {arXiv},
year = {2026},
month = oct,
doi = {10.48550/arxiv.2610.23065},
eprint = {2610.23065},
archivePrefix = {arXiv},
url = {https://arxiv.org/abs/2610.23065},
}
RIS
TY - UNPB
TI - Synchronization over Resource-Causal Temporal Networks with Consumable Entanglement Links
AU - Ruiwu Niu
AU - Xiaoqun Wu
AU - Guanrong Chen
AU - Michaël Antonie van Wyk
PY - 2026
DA - 2026/10/16
PB - arXiv
DO - 10.48550/arxiv.2610.23065
UR - https://arxiv.org/abs/2610.23065
AB - When communication consumes shared entanglement, a physical link does not guarantee that an interaction is available. We study synchronization of classical continuous-time systems whose interactions consume randomly replenished resources stored on edges. Under isotropic tangent coupling and state independent scheduling, the linearized evolution separates exactly into intrinsic node growth and an ordered product of communication matrices. This yields temporal contraction conditions and local nonlinear synchronization. Resource conservation bounds the contraction achievable by every schedule with acyclic event services. On a fixed acyclic orientation with a unique source, serving each ready edge immediately is optimal: the non-source node with the least total incoming supply determines the rate. Balanced incoming supplies attain the bound. For linear coupling on these orientations, a further condition guarantees synchronization throughout a convex invariant domain. In the specified Lorenz domain, this sufficient contraction requirement is about three percent above a necessary requirement for uniform exponential synchronization. Kuramoto simulations illustrate the effect of service direction, while Lorenz simulations compare resource policies and test local growth predictions against finite-time dynamics.
ER -