Taming Spacetime Overhead and Design Complexity in Distributed Fault-Tolerant Superconducting Quantum Computation
The paper addresses whether slow, noisy connections between quantum chips create too much overhead for large-scale distributed quantum computers. The authors propose a hardware design and resource estimation method for modular processors that confines these slow links to module boundaries. Results show the performance overhead is nearly scale-invariant across many chip sizes, proving a viable path for scaling superconducting fault-tolerant systems without prohibitive costs.