Physical Review Letters

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Similarity of Fractional Chern Insulators to Fractional Quantum Hall States: Moiré-Enhanced Gaps and Excitation-Spectrum Correspondence

6 November, 2026

Calculated electron densities of the fractional Chern insulator ground state with different lattice modulation strengths. Selected for an Editors’ Suggestion.

Siddhartha Sarkar, Yitong Zhang, and Kai Sun
Phys. Rev. Lett. 137, 196505 (2026)

EDITORS' SUGGESTION

Interferometric Readout of Momentum-Space Topology in a Programmable Dissipative Photonic Circuit

12 November, 2026

A programmable photonic circuit uses unitary dilation and interferometry to directly measure momentum-space topological invariants in strongly dissipative non-Hermitian systems.

Andrea Cataldo et al.
Phys. Rev. Lett. 137, 206601 (2026)

EDITORS' SUGGESTION

All-Order Structure of Static Gravitational Interactions and the Seventh Post-Newtonian Potential

12 November, 2026

The symmetry of the post-Newtonian static sector enables the construction of the post-Newtonian two-body potential at any odd order, and the construction of the static contribution at the seventh post-Newtonian order for the first time.

Giacomo Brunello et al.
Phys. Rev. Lett. 137, 201401 (2026)

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Granular Matter Carries Hidden Memory

10 November, 2026

A memory phenomenon known as the anomalous Kovacs effect has been experimentally observed in a granular system for the first time.

Synopsis on: Francisco Vega Reyes, Álvaro Rodríguez-Rivas, Pablo Maynar, and M. Isabel García de Soria Phys. Rev. Lett. 137, 208201 (2026)

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The Gurzhi Effect Reaches Three Dimensions

9 November, 2026

Measurements on micrometer-scale cadmium samples provide definitive evidence of an unusual charge-transport regime in a 3D metal.

Viewpoint on: Xiaodong Guo et al. Phys. Rev. Lett. 137, 206301 (2026)

EDITORS' SUGGESTION

Universal Criticality of Entropy Production in Chemical Reaction Networks

9 November, 2026

In homogeneous reversible chemical reactions, a prototypical nonequilibrium phenomenon, entropy-production fluctuations represent a sharper probe of nonequilibrium criticality than entropy-production response to variations in the chemical species concentrations.

Kyota Tamano and Keiji Saito
Phys. Rev. Lett. 137, 207101 (2026)

EDITORS' SUGGESTION

Evolution of the Superfluid Density in Infinite-Layer Nickelates

6 November, 2026

An experiment enables the first systematic, absolute superfluid-density measurement across the full superconducting dome of an infinite-layer nickelate.

Bai Yang Wang et al.
Phys. Rev. Lett. 137, 196003 (2026)

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Why Brittle Solids Crack Under Pressure

6 November, 2026

Theory and experiments suggest that the mysterious fractures that appear when a brittle material is compressed result from a hidden buildup of internal tension.

Focus story on: Maryam Khodadad et al. Phys. Rev. Lett. 137, 196101 (2026)

EDITORS' SUGGESTION

Similarity of Fractional Chern Insulators to Fractional Quantum Hall States: Moiré-Enhanced Gaps and Excitation-Spectrum Correspondence

6 November, 2026

The excitation spectrum of fractional Chern insulators is identical to their fractional quantum Hall counterparts except for an enhancement factor, making it possible to predict their excitation spectrum from the Landau-level problem.

Siddhartha Sarkar, Yitong Zhang, and Kai Sun
Phys. Rev. Lett. 137, 196505 (2026)

EDITORS' SUGGESTION

ac Fingerprints of 2D Electron Hydrodynamics: Superdiffusion and Drude Weight Suppression

5 November, 2026

Finite-frequency nonlocal conductivity calculations show that clean 2D Fermi liquids in the tomographic regime realize a dynamical universality class distinct from the conventional Navier–Stokes paradigm.

Davis Thuillier and Thomas Scaffidi
Phys. Rev. Lett. 137, 196303 (2026)

EDITORS' SUGGESTION

First Measurement of Compton Scattering on ${}^{3}{He}$ at $HI γ S$

5 November, 2026

A direct measurement of elastic Compton scattering on a helium-3 nucleus is a first step towards extracting precision electromagnetic polarizabilities of the neutron.

J. Zhou et al. (Compton@HIγS Collaboration)
Phys. Rev. Lett. 137, 192502 (2026)

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Images Capture Unusual Quantum Turbulence

5 November, 2026

Random tangles of vortex lines have been observed untangling in an ultracold gas.

Synopsis on: Sebastian J. Morris et al. Phys. Rev. Lett. 137, 193403 (2026)

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Probing Strangeness

5 November, 2026

Close encounters between kaons and deuterons help to elucidate quantum chromodynamics in a challenging mass range.

Synopsis on: D. A. H. Abdallah et al. (ALICE Collaboration) Phys. Rev. Lett. 137, 191904 (2026)

NEWS

APS Early Career Astro Prize

In 2026, a new prize was introduced to celebrate the contributions of early-career researchers to the Physical Review journals within the Astronomy and Astrophysics Topical Group, such as Physical Review Letters. Eligible candidates are early-career authors (PhD students and post-docs), and nominations should be submitted via email to astro@aps.org. The award includes a $2,000 cash prize, a certificate, an invitation to attend the APS Global Physics Summit in Atlanta, and the opportunity to present at Physical Review’s astro session at the GPS.

Please see the Announcement here for more details.

About Physical Review Letters

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