Physical Review Letters

ON THE COVER

Cluster-Decorated Lieb Lattice: A Convenient and Reliable Platform for Tuning Flat-Band Energy

20 October, 2026

Scanning tunneling microscope topographic image of a cluster-decorated Lieb lattice constructed with 57 Fe adatoms on a Ag(111) surface. Selected for a Synopsis in Physics Magazine and for an Editors’ Suggestion.

H. T. Li et al.
Phys. Rev. Lett. 137, 176401 (2026)

NEWS AND COMMENTARY

Light from Disordered Media

28 October, 2026

Researchers have proposed that structural disorder can be harnessed to generate coherent, directional light from the passage of a charged particle.

Synopsis on: Zheng Gong et al. Phys. Rev. Lett. 137, 186903 (2026)

EDITORS' SUGGESTION

Superconducting Qutrit Link beyond the Qubit Limit

28 October, 2026

Deterministic remote entanglement of superconducting qutrits via time-bin microwave photons surpasses the negativity bound of two-qubit states.

Xiang Li et al.
Phys. Rev. Lett. 137, 180801 (2026)

EDITORS' SUGGESTION

Projected Coherent Perfect Absorption at Exceptional Points via Nonlocal Elastodynamic Coupling

28 October, 2026

By designing a special underwater structure that harnesses the interaction between water and solid vibrations, researchers have created a unique acoustic state that is simultaneously highly sensitive and remarkably stable, opening new possibilities for precisely controlling sound waves.

Jingyi Chen et al.
Phys. Rev. Lett. 137, 186601 (2026)

EDITORS' SUGGESTION

Compositional Proofreading through Critical Self-Tuning

28 October, 2026

Competition for shared resources implements compositional proofreading associated with a nonequilibrium phase transition, such that below a critical flux, competition pins the system to the marginal stability of the most persistent species, concentrating the population into that species, and above this threshold, pinning fails and selectivity is lost.

Omer Karin
Phys. Rev. Lett. 137, 188401 (2026)

EDITORS' SUGGESTION

Closing the Mass Window for Stupendously Large Black Holes

26 October, 2026

Primordial black holes heavier than $10^{11}$ solar masses generate isocurvature perturbations that exceed current cosmic microwave background limits, ruling them out as a dark matter candidate.

Christopher Gerlach, Yann Gouttenoire, Antonio J. Iovino, and Nicholas Leister
Phys. Rev. Lett. 137, 181401 (2026)

EDITORS' SUGGESTION

Chirality-Resolved Spectroscopy of Caroli–de Gennes–Matricon States in Multiband ${FeTe}_{1 - x} {Se}_{x}$ Superconductors

23 October, 2026

Terahertz magneto-optics is established as a direct probe of helical vortex-core excitations, providing dynamical evidence for multiband CdGM states in iron-based superconductors.

T. Rõõm et al.
Phys. Rev. Lett. 137, 176001 (2026)

EDITORS' SUGGESTION

Entangling Ions with Engineered Light Gradients

23 October, 2026

A high-fidelity two-qubit entangling gate based on engineered light gradients in a trapped-ion chain.

Tommaso Faorlin et al.
Phys. Rev. Lett. 137, 170601 (2026)

EDITORS' SUGGESTION

Reflection-Assisted Discrete Achromatic Diffraction

22 October, 2026

By merging the wavelength-independent geometry of reflection with the momentum control of a periodic lattice, a deep binary grating efficiently routes multiple distinct wavelengths into a single diffraction angle.

Seokwoo Kim et al.
Phys. Rev. Lett. 137, 176903 (2026)

NEWS AND COMMENTARY

A Quantum Cyclotron for Antimatter

21 October, 2026

A device that stores a single positron and controls its quantum states could measure its magnetic moment with unprecedented precision, testing a symmetry principle central to quantum field theory.

Viewpoint on: T. G. Myers et al. Phys. Rev. Lett. 137, 173001 (2026)

NEWS AND COMMENTARY

Putting Momentum Under the Microscope

21 October, 2026

A new method lets quantum gas microscopes measure not only where atoms are but also how they move.

Synopsis on: N. R. Cooper, Y. Yang, and C. Weitenberg Phys. Rev. Lett. 137, 173402 (2026)

EDITORS' SUGGESTION

Bose Polarons as Relativistic Unruh-DeWitt Detectors: Entanglement Harvesting from Bose-Einstein Condensates

20 October, 2026

An impurity in a Bose-Einstein condensate with time-tunable coupling realizes an Unruh-DeWitt detector of the condensate’s effective relativistic phonon field.

T. Rick Perche, Francesco Gozzini, and Markus K. Oberthaler
Phys. Rev. Lett. 137, 170401 (2026)

NEWS AND COMMENTARY

Tuning Flat Bands

20 October, 2026

Flat bands harbor exotic electron physics. A new way of realizing them could make the physics more accessible.

Synopsis on: H. T. Li et al. Phys. Rev. Lett. 137, 176401 (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

Physical Review Letters (PRL) is the premier APS journal for current research, providing rapid publication of short reports of important fundamental research in all fields of physics. PRL provides its diverse readership with weekly coverage of major advances in physics and cross-disciplinary developments.

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