A quantum computer based on neutral atoms is like a city where couriers, laser tweezers, physically carry packages between addresses. While one courier drags an atom across the entire chip, the others sit idle. This is slow and error-prone.
The new architecture replaces couriers with a shared radio wave. In the city center, a 'radio station' appears — a microwave cavity that automatically maintains a special state reminiscent of Schrödinger's cat (the 'cat bus' state). When the station broadcasts, all the needed atoms 'hear' it simultaneously and instantly connect to each other. No more shuttling anyone anywhere.
This scheme radically speeds up the most important process — error detection and correction. For an array of 100,000 atoms, the error-checking cycle is reduced by a factor of 180 compared to systems that shuffle atoms. Even with higher noise levels, the computer remains functional: the error threshold rises from 0.55% to 0.72% in the standard model, and up to 0.80% when accounting for realistic cavity characteristics. The required microwave system parameters are already achievable in modern laboratories.
The cat radio station not only speeds up computations but also makes the architecture simpler and more reliable. The computer-city no longer depends on the agility of couriers and begins to live in a unified rhythm set by the common signal.
Schrödinger's cat was invented in 1935 as a joke about the oddities of quantum mechanics. Today, its 'descendants' in the form of cat states are seriously helping to build quantum computers.
The idea of a common 'voice' instantly linking many objects recalls Orson Scott Card's 'ansible'—a device for instantaneous communication across any distance, but on the scale of a single chip.