ArticleNature communications2019
Observation of emergent momentum-time skyrmions in parity-time-symmetric non-unitary quench dynamics.
Article in Nature communications, 2019. 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.
- Non-Hermitian quantum walks uncover dynamical quantum phase transitions under self-normal and biorthogonal bases.Light, science & applications · 2026Article
- Self-normal and biorthogonal dynamical quantum phase transitions in non-Hermitian quantum walks.Light, science & applications · 2025Article
- Experimental revival of an unknown state from the past in quantum walks.National science review · 2025Article
- Non-Hermitian Floquet Topological Matter-A Review.Entropy (Basel, Switzerland) · 2023Review
- Observation of dark edge states in parity-time-symmetric quantum dynamics.National science review · 2023Article
- Non-Hermitian Floquet Phases with Even-Integer Topological Invariants in a Periodically Quenched Two-Leg Ladder.Entropy (Basel, Switzerland) · 2020Article
- Fixed Points and Dynamic Topological Phenomena in a Parity-Time-Symmetric Quantum Quench.iScience · 2019Article
Corrections and comments
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Authors and funding
8 authors.
Funding
Abstract
Topology in quench dynamics gives rise to intriguing dynamic topological phenomena, which are intimately connected to the topology of static Hamiltonians yet challenging to probe experimentally. Here we theoretically characterize and experimentally detect momentum-time skyrmions in parity-time [Formula: see text]-symmetric non-unitary quench dynamics in single-photon discrete-time quantum walks. The emergent skyrmion structures are protected by dynamic Chern numbers defined for the emergent two-dimensional momentum-time submanifolds, and are revealed through our experimental scheme enabling the construction of time-dependent non-Hermitian density matrices via direct measurements in position space. Our work experimentally reveals the interplay of [Formula: see text] symmetry and quench dynamics in inducing emergent topological structures, and highlights the application of discrete-time quantum walks for the study of dynamic topological phenomena.
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Registered trials
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