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Building Topological Quantum Matter in Superconducting Wire Arrays

Building Topological Quantum Matter in Superconducting Wire Arrays

In this online tutorial, theoretical physicist Dmitry Green discusses his promising proposal to realize topological qubits using superconducting elements that are already available. The core of the invention consists of superconducting wires that are interconnected using a novel geometric principle: Combinatorial Gauge Symmetry.  From a pure physics point of view this approach would allow us to synthesize a so-called gapped quantum spin liquid, which is a state of matter that was first theorized in the 1970s but has proven elusive to realize in practice.

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