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Superconducting proximity effect in an SSH-superconductor junction, by Ivan A. Belkovich, Alexey A. Radkevich

SciPost Quantum
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⚡ Quantum Brief
Researchers Ivan A. Belkovich and Alexey A. Radkevich demonstrated a novel superconducting proximity effect in a junction combining an SSH (Su-Schrieffer-Heeger) topological chain with a conventional superconductor, published in May 2026. The study reveals how topological edge states in the SSH model interact with superconductivity, inducing unconventional pairing correlations that persist beyond the superconductor’s direct influence. Experimental and theoretical analysis confirms the emergence of localized Majorana-like modes at the junction interface, offering potential for fault-tolerant quantum computing applications. The work provides a blueprint for engineering hybrid systems where topology and superconductivity coexist, advancing the search for robust quantum information platforms. This breakthrough could simplify the design of topological qubits by leveraging well-established superconducting materials paired with tunable SSH chains.
Superconducting proximity effect in an SSH-superconductor junction, by Ivan A. Belkovich, Alexey A. Radkevich

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Source: SciPost Quantum