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Physical Review Letters
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The world’s most-cited journal in multidisciplinary physics.
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physrevlett.aps.org
New research shows that increasing temperature, laser excitation, and magnetic fields accelerates magnetization dynamics in a weak ferromagnet. This spin-fluctuation effect could offer new routes to tunable, ultrafast spintronic devices.

Read the Letter: https://go.aps.org/4rlA97a
A 2D square plot depicts spin fluctuations accelerating demagnetization in CaRuO3/SrTiO3 superlattices as temperature rises. Yellow dashed, green dashed, and solid red curves begin at the bottom left origin and move rightward across a vertical dotted grey line representing the Curie temperature. The yellow line rises initially, peaks early, then slightly decreases. The green line rises steadily with power-law growth. The red line, labeled 𝚪, increases with steeper power-law growth. Beyond a double-slash axis break at the far right border, all three curves flatten into horizontal lines.
September 16, 2026 at 6:38 PM
physrevlett.aps.org
Researchers have discovered a double neutron star system with the lowest known total mass and the second-shortest — and decreasing due to gravitational waves — known orbital period, making it a strong candidate for studying relativistic effects.

🔗 https://go.aps.org/4xWM6m7
A still from a simulation of two colliding neutron stars shows two yellow circles surrounded by clouds of red over a black background. The red surroundings are merging into each other.
September 16, 2026 at 4:27 PM
physrevlett.aps.org
While standard Brownian models suggest deploying N agents reduces target search time logarithmically, a study finds that imposing a finite propagation speed causes the fastest-arrival time to decrease exponentially with agent number.

🔗 https://go.aps.org/4AekQkp
A 3D plot with N on the left x axis, ξ on the right x axis, and BN,ξ on the y axis that shows the crossover from intermediate scaling to exponential decay. A solid cyan line shows the researchers’ asymptotic large-ξ prediction 2ξ/(π ln N).
September 16, 2026 at 12:00 PM
physrevlett.aps.org
Scientists propose a "knob" for creating giant, tunable, helical exciton dipoles, enabling the formation of biexcitons in twisted 2D materials. Their work could eventually help with generating entangled photon pairs for quantum information science.

Read the paper: https://go.aps.org/3USk9xi
A purple displacement vector points from an electron to a hole at the center of a hexagonal lattice, and blue vector indicates the particles' upward momentum. Red arrows at each of the four corners of the image show the Berry curvature.
September 15, 2026 at 6:33 PM
physrevlett.aps.org
In ionic-liquid-gated quasi-2D materials, the disordered ionic potential from the frozen ionic liquid drives the system close to the Anderson transition and governs the formation of a gate-induced superconductivity dome.

Read the Letter: https://go.aps.org/4xPgU8c
A graph with doping (1014 e-/cm2) on the x axis and Tc(K) on the y axis. Orange squares are labeled MoS2 theory while open circles with an orange outline are labeled experiments. Blue squares are labeled MoSe2 theory while open circles with a blue outline are labeled experiments. It depicts the predicted superconducting critical temperature Tc as a function of doping with disorder+interaction corrections for single-side gated MoS2 and MoSe2.
September 15, 2026 at 3:03 PM
physrevlett.aps.org
Using polarization-resolved infrared spectroscopy and density functional theory, this study finds anomalous anisotropic charge dynamics in bulk 1T-TaS2, with interlayer dimerization stabilizing its low-temperature insulating state.

Read the Letter: https://go.aps.org/4hbcnWB
Schematic illustrations depict the sequence of nearly commensurate (right) and commensurate (left) phases with decreasing temperature. The left shows red stars with blue dots at each of their angles and in the middle next to one another in a way that fills a rectangular area. The right is also a rectangular area that is filled with blue dots. But stars only appear in groups in each of the four corners of the area and in the center.
September 15, 2026 at 11:20 AM
physrevlett.aps.org
New research shows second harmonic generation can detect altermagnetic signatures that were previously inaccessible using linear optical methods. The work can help researchers understand light-matter interactions within altermagnets.

Learn more: https://go.aps.org/3VduHHc
Nine cobalt fluoride atoms are arranged with one at each corner of a cube and one in the cube’s center. The angular distribution of magnetization density in each atom looks like a red X-shape and a blue X-shape overlaid at a 90-degree angle, with red and blue representing up and down spin polarizations, respectively.
September 14, 2026 at 8:03 PM
physrevlett.aps.org
Researchers present a robust theory for “on-the-fly” inference of dissipation and information from stochastic trajectories, providing a mechanistic framework for real-time information processing in biological systems.

Read the Letter: https://go.aps.org/46HHUuF
A simple scheme visualizes the chemical model. Each component is visualized as a different type of simple colored shape: signaling molecule (Z, blue circle), readout (X, blue circle), internal species H (orange circle with smaller interconnected red circles inside), R (blue rectangle), and E (blue oval-like shape). H, X, and Z are coupled together only through the intermediate fast complexes R and E, with connections denoted by black lines ending in small black circles.
September 14, 2026 at 5:32 PM
Reposted by Physical Review Letters
physicsmagazine.aps.org
A crystal with special geometric properties can emit light in any polarization just by tuning a laser with two light fields. The method uses quantum geometry and works on femtosecond timescales. Read the synopsis: https://go.aps.org/4xIHb85
Illustration of a faceted crystal illuminated by a two-color laser pulse (red and blue waveforms), emitting a helical purple light beam that represents tunable polarization, with red and yellow arrows indicating the crystal's internal symmetry axes.
September 10, 2026 at 3:19 PM
physrevlett.aps.org
A forward-looking Essay by Pascale Senellart envisions a future with devices that combine the precision of atomic physics with the scalability of semiconductor technology — a development that could transform quantum technologies, networks, and sensing.

🔗 https://go.aps.org/3T3kBIo
Diagram of a quantum dot network: orange spheres represent quantum dot spins in optical cavities, connected by dashed lines showing spin-spin entanglement, generating a 3D lattice of entangled photons (blue spheres) linked by wavy lines representing photonic entanglement links.
September 14, 2026 at 3:49 PM
physrevlett.aps.org
Using a simple conductance asymmetry metric, researchers disentangled coexisting spin, vibrational, and orbital excitations within a single cobaltocene molecule, potentially enabling new approaches for single-molecule quantum computing.

Learn more: https://go.aps.org/4gZMf0F
A scientific schematic featuring a plot and 3D renderings of ball and stick chemical structures of cobaltocene. On the bottom left is a blue sphere with a black arrow through it that points up and to the right. On the top left is a red sphere with a black arrow through it that points down and to the left. In between them is a cobaltocene molecule. To the right is a blue curve depicting a differential conductance spectrum. Above and below the spectrum are green and red electron density lobes and atomic structures showing the vibrational and orbital excitations at different energy levels.
September 13, 2026 at 1:00 PM
physrevlett.aps.org
Researchers report the first measurements of quantum entanglement between two massive vector bosons at the electroweak scale. Using Higgs-boson decays at the LHC, they find strong evidence for entanglement between the spins of two Z bosons.

Read the Letter: https://go.aps.org/4yBoqUo
Particle collision data from the Atlas Experiment against a black background. Top-left: A circular transverse cross-section of the detector. The foreground has a 3D cross section of the particle tracks and detector components. The "ATLAS EXPERIMENT" logo is in white at the top-right corner.
September 12, 2026 at 4:00 PM
physrevlett.aps.org
Using ultrafast X-ray diffraction measurements and systematic atomistic simulations, researchers establish a unified model for the B1-B2 transition of shock-compressed KCl — results which could be generalized to other materials.

Learn more: https://go.aps.org/4ywc67C
An illustration of the two generalized transition pathways, type-I on top and type-II on bottom, that lead to two generalized orientation relationships, OR1 and OR2, respectively, for the B1–B2 phase transition in KCl. The top half shows the type-I pathway with repeated {100}/⟨011⟩ slip of the ions on the {100} planes that lead to OR1. The bottom half shows the type-II pathway with {111}/⟨¯211⟩ slip of the ions on the {011} planes that lead to OR2. Arrows show the displacement directions of atoms.
September 12, 2026 at 1:00 PM
physrevlett.aps.org
#OnTheCover: A snapshot from a simulation of ice floes. The colors represent different transverse velocities.

🔗 https://go.aps.org/4xowLJL
Circle-packing simulation of ice floes of varying sizes tightly clustered together, each shaded blue, orange, or white to indicate different transverse velocities.
September 11, 2026 at 8:20 PM
Reposted by Physical Review Letters
physicsmagazine.aps.org
By crushing and heating ultrapure water between diamond anvils, scientists confirm a predicted hexagonal close-packed phase of superionic ice. The results could have implications for modelling ice giants like Uranus and Neptune. 🪐

Read the synopsis: https://go.aps.org/3VkKN1K
A scientific visualization featuring Uranus in blue at the center with dozens of gold lines that represent its magnetic field extending out and around the planet. The background is black.
September 9, 2026 at 5:57 PM
physrevlett.aps.org
Scientists have observed real-time entry of individual Abrikosov vortices in a coplanar superconducting resonator, presenting a practical route to study vortex states inside superconducting circuit-compatible devices.

Read more: https://go.aps.org/4xQhEKo
The top of the figure displays a quantum diamond microscope (QDM) magnetic field map over a wide field of view in the neck region of the device presented in the paper, after field cooling in 113 μT. The map appears as a bright green rectangle, with various smaller blue regions at the left and right sides. The map is shaded according to a color scale bar at the top, with dark blue for the lowest values of B (μT) and bright yellow for the highest values. At the bottom of the figure are two smaller images of zoomed-in regions from the map, indicated on the larger by a red dashed outline box on the left and a black dashed outline box on the right.
September 11, 2026 at 2:20 PM
physrevlett.aps.org
In this new framework, hyperuniformity arises without conservation laws and without parameter fine-tuning, making the mechanism especially relevant for application to biological systems.

Read the Letter: https://go.aps.org/3SA2OZe
Figure with two parts. The left part shows a two dimensional snapshot of the population dynamics model. Particles are marked by black dots. Resources are shown by color, with red indicating more resources and blue indicating less. The right part shows two graphs depicting the instantaneous flow of the internal dynamics for two particles. The first one is below the critical point and shows a parabola that is small and positioned above the X axis. The second one is above the critical point and shows a larger parabola that intersects the X axis.
September 11, 2026 at 11:00 AM
Reposted by Physical Review Letters
physicsmagazine.aps.org
A coordinated flock doesn't always stay coordinated.

When two groups follow conflicting rules — one aligning, the other antialigning — the flock can spontaneously rotate. But beyond a certain size, that coherent motion breaks down into chaos.

Read more: https://go.aps.org/4hf71Lc
Two-panel figure. The first is a swirling red-and-blue pattern showing chaotic motion in a simulated two-species flocking model. The second, a microscope image of starfish embryos with blue and red arrows indicating the differing movement directions of young versus old embryos.
September 8, 2026 at 5:01 PM
physrevlett.aps.org
As an outcome of electron hydrodynamics, electrons flowing as a viscous fluid are expected to form vortices. Now, researchers have directly detected electron vortices for the first time using a nanomechanical resonator.

Read the Letter: https://go.aps.org/4r6AU3M
An illustration of a round electron cavity attached to a straight channel. As a result of an in-plane magnetic field, the electron cavity is slightly raised and there is an electron counter-flow at its free edge.
September 10, 2026 at 6:30 PM
physrevlett.aps.org
A new study models how ice floes collide and dissipate energy gained from surrounding wind. The work demonstrates a way to predict Arctic ice motion, potentially opening the door to better climate forecasting.

Learn more: https://go.aps.org/4gKvfwG
An illustration of a cross section of the ocean containing ice floes, flat sheets of sea ice floating in polar regions. Wavy blue arrows above the floes show fluctuating winds. This causes the ice to move due to drift and wind fluctuations, as indicated by red arrows in various directions.
September 10, 2026 at 3:33 PM
physrevlett.aps.org
Surprising results show that the circular photogalvanic effect can produce terahertz emission in topological heterostructures, suggesting this phenomena could generate and adjust ultrafast currents in quantum materials.

Read more: https://go.aps.org/3V6743j
At the top, panel (a) displays a schematic diagram of the THz emission spectroscopy setup. On the left are two coiled red and blue arrows, which represent LCP and RCP, respectively. In the middle is a rectangular solid split into three vertical material layers: PtTe2 (red, left), Cr5Te6 (blue, middle), and (0001)-AI2O3 (grey, right). At the right are overlapping blue and red wave-like lines, which represent the THz emission. Panel (b) shows a molecular, structural zoomed-in view of the heterostructure interface between the PtTe2 and Cr5Te6 layers in panel (a). In this model, Pt atoms are orange, Te atoms are blue, Cr atoms are yellow, and intercalated Cr atoms are red.
September 10, 2026 at 11:00 AM
physrevlett.aps.org
Researchers identify a novel, dense form of close-packed water ice that shows signatures of a superionic state at high pressures — a finding with implications for internal models of ice giants.

Read more: https://go.aps.org/4xOsVuJ
A pressure-temperature diagram showing thermodynamic conditions of measurements in the paper, with pressure in GPa on the x-axis and temperature in K on the y-axis. Black circles denote measurements from run 1, and black triangles denote measurements from run 2. Filled and open symbols indicate the presence or absence, respectively, of hcp ice. Black solid and dashed lines represent the experimental and calculated melting curves, respectively, while a red line represents the bcc-fcc phase boundary. These lines divide the diagram into several sections, which are colored yellow, blue, and pinkish purple. The diagram also contains data points from another paper, shown as yellow squares.
September 9, 2026 at 8:41 PM
physrevlett.aps.org
By adding a screening layer to 2D electron systems, researchers show that the critical exponents that guide transitions between integer quantum Hall plateaus can be modified, opening the door to tuning quantum criticality.

Read more: https://go.aps.org/3SSIlim
A schematic of the material shows multiple layers. At the top is a gallium arsenide cap, followed by aluminum gallium arsenide, and a gallium arsenide quantum well. At the center is the aluminum arsenide barrier, after which the layers repeat in mirrored order, ending with a gallium arsenide substrate. The middle three layers — the top gallium arsenide quantum well, the aluminum arsenide barrier, and the bottom quantum well — comprise the screening layer.
September 9, 2026 at 6:11 PM
physrevlett.aps.org
A new study visualizes how moiré patterns affect the electronic structure of twisted molybdenum ditelluride, opening the door to engineering correlated quantum phases.

Read the paper: https://go.aps.org/3UGbyO1
The moiré pattern that emerges in twisted molybdenum ditelluride as seen by a lateral-force atomic force microscope looks like fuzzy, alternating stripes of purple and yellow.
September 9, 2026 at 3:51 PM
Reposted by Physical Review Letters
physicsmagazine.aps.org
Why do stars other than the sun rarely show coronal mass ejections? An experiment recreated stellar plasma ejections and found that strong magnetic fields can suppress them, offering evidence for a long-standing theory.

🔗 https://go.aps.org/4zXnQlc
Close-up image of the Sun's surface showing a coronal mass ejection: a long, dark filament of plasma arcing outward from a bright, glowing region, against the fiery orange and yellow textures of the solar atmosphere.
September 4, 2026 at 4:27 PM