ArticleScience advances2024
Observation of parity-time symmetry in diffusive systems.
Article in Science advances, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 5 papers.
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Who cites it
5 citing papers in PubMed.
- Metaceramic enables ultrahigh-temperature record rectification and programmable 3D thermal control.Science advances · 2026Article
- Multifaceted mechanical responsive metamaterials: Mechanisms, fabrications, and applications.Innovation (Cambridge (Mass.)) · 2026Review
- Temporal Anti-Parity-Time Symmetry: Extending Non-Hermitian Physics to Time-Domain Dynamics in Thermal Diffusion.Research (Washington, D.C.) · 2026Review
- Topology in Thermal, Particle, and Plasma Diffusion Metamaterials.Chemical reviews · 2025Review
- Parity-time and anti-parity-time symmetries in heat transfer.National science review · 2024Article
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Authors and funding
9 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Phase modulation has scarcely been mentioned in diffusive physical systems because the diffusion process does not carry the momentum like waves. Recently, non-Hermitian physics provides a unique perspective for understanding diffusion and shows prospects in thermal phase regulation, exemplified by the discovery of anti-parity-time (APT) symmetry in diffusive systems. However, precise control of thermal phase remains elusive hitherto and can hardly be realized, due to the phase oscillations. Here we construct the PT-symmetric diffusive systems to achieve the complete suppression of thermal phase oscillation. The real coupling of diffusive fields is readily established through a strong convective background, and the decay-rate detuning is enabled by thermal metamaterial design. We observe the phase transition of PT symmetry breaking with the symmetry-determined amplitude and phase regulation of coupled temperature fields. Our work shows the existence of PT symmetry in dissipative energy exchanges and provides unique approaches for harnessing the mass transfer of particles, wave dynamics in strongly scattering systems, and thermal conduction.
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Registered trials
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