Newsfeeds
Nature Physics
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Intertwined orders in a quantum material
Nature Physics, Published online: 11 July 2025; doi:10.1038/s41567-025-02942-5
Symmetry-protected topological orders are often in competition with electronic correlations that tend to induce orders with broken symmetry. Now, a quantum material is shown to exhibit correlation-driven tuneable excitonic instabilities intertwined with symmetry-protected topological orders.
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Measurement of phonon angular momentum
Nature Physics, Published online: 11 July 2025; doi:10.1038/s41567-025-02952-3
Theory predicts that phonons—quanta of lattice vibrations—can carry finite angular momentum and thus influence physical properties of materials. Now phonons with angular momentum have been seen in tellurium with a chiral crystal structure.
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Topological excitonic insulator with tunable momentum order
Nature Physics, Published online: 11 July 2025; doi:10.1038/s41567-025-02917-6
Experimental systems in which non-trivial topology is driven by spontaneous symmetry breaking are rare. Now, topological gaps resulting from two excitonic condensates have been demonstrated in a three-dimensional material.
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First-principles diagrammatic Monte Carlo for electron–phonon interactions and polaron
Nature Physics, Published online: 10 July 2025; doi:10.1038/s41567-025-02954-1
Diagrammatic Monte Carlo calculations accurately describe polarons in different theoretical models. Now, integrating this with accurate first-principles calculations can describe the ground-state and dynamic properties of polarons in real materials.
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Nanophotonic quantum skyrmions enabled by semiconductor cavity quantum electrodynamics
Nature Physics, Published online: 09 July 2025; doi:10.1038/s41567-025-02973-y
Quantum optical skyrmions are promising for quantum photonic applications but have not been experimentally realized. Now nanophotonic quantum skyrmions are generated using a semiconductor quantum dot–Gaussian microcavity quantum electrodynamics system.