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Comment on: Show HN: Open-source distributed quantum compute network

by lukechu10
Posted: Apr 2, 2026
What does it mean to have a distributed quantum computer? Because if these distributed quantum computers are connected by classical communication channels (e.g. the internet), then it has been proven that this cannot provide any quantum speedup over just a single quantum computer.See Jozsa & Linden 2003: https://arxiv.org/abs/quant-ph/0201143So to actually get a quantum speedup, these quantum computers will need to be connected with quantum channels, which are possible IRC with fiber optic links (eg. by using the quantum state of the photons). But that is not the case.
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Posted: Apr 2, 2026