ArticleNature communications2025
Observation of the non-Hermitian skin effect and Fermi skin on a digital quantum computer.
Article in Nature communications, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 7 papers.
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Who cites it
7 citing papers in PubMed.
- Benchmarking Quantum Solvers in Noisy Digital Simulations for Financial Portfolio Optimization.Entropy (Basel, Switzerland) · 2026Article
- Interacting non-Hermitian edge and cluster bursts on a digital quantum processor.Nature communications · 2026Article
- Stark Many-Body Localization-Induced Quantum Mpemba Effect.Entropy (Basel, Switzerland) · 2026Article
- Phase-Space Generalized Brillouin Zone For Spatially Inhomogeneous Non-Hermitian Systems.Advanced science (Weinheim, Baden-Wurttemberg, Germany) · 2025Article
- Observation of a non-Hermitian supersonic mode on a trapped-ion quantum computer.Nature communications · 2025Article
- Scale-tailored localization and its observation in non-Hermitian electrical circuits.Nature communications · 2024Article
- Realization of higher-order topological lattices on a quantum computer.Nature communications · 2024Article
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Authors and funding
4 authors.
Funding
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Abstract
Lately, the non-Hermitian skin effect (NHSE) has been demonstrated in various classical metamaterials and even ultracold atomic arrays. Yet, its interplay with many-body dynamics have never been experimentally investigated. Here, we report the observation of the NHSE and its many-fermion analog on a universal quantum processor. To implement NHSE accumulation on a quantum computer, the time-evolution circuit not only needs to be non-reciprocal and non-unitary, but must also contain sufficiently many lattice qubits. We demonstrate this by systematically post-selecting ancilla qubits, as demonstrated through two paradigmatic non-reciprocal models on noisy quantum processors, with clear signatures of asymmetric spatial propagation and many-body "Fermi skin" accumulation. To minimize errors from inevitable device noise, time evolution is performed using trainable, variationally optimized quantum circuits. Our demonstration represents an important step in the quantum simulation of non-Hermitian lattices on present-day quantum hardware, and can be readily generalized to more sophisticated many-body models.
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Registered trials
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