Universal Topological Quantum Computation in a Superfluid Universe

Quantum computers promise to unlock immense computational power far beyond conventional computers. Yet, their potential is hindered by instabilities, causing computational failure. Topological quantum computers, though inherently stable, require exotic phases of matter that are hard to realise. This work reveals that a special kind of systems known as superfluids may serve as a platform for such computers, demonstrating that vortices within them emulate the interactions of elementary particles like electrons and quarks, and even gravity. Interactions in such a “superfluid universe” are shown to facilitate fault-tolerant quantum computation, presenting a novel approach to harnessing the power of quantum systems.