Bending Light in a Flash: Sub-Cycle Control at Optical Frequencies
Researchers have achieved unprecedented control over light’s refractive index, demonstrating rapid modulation at timescales far exceeding the oscillation period of optical waves.
Researchers have achieved unprecedented control over light’s refractive index, demonstrating rapid modulation at timescales far exceeding the oscillation period of optical waves.
Researchers have developed an autonomous system that uses artificial intelligence to efficiently explore the structure-property relationships within complex materials libraries.
A new analysis refines experimental strategies to comprehensively search for violations of fundamental symmetry principles in the realm of particle physics.

New research shows how chiral optical cavities can manipulate and detect the fleeting dynamics of molecules with different ‘handedness’.
![Bose-Einstein condensates exhibit tunable pattern formation-specifically, triangular density waves-through a two-stage modulation of the scattering length, a process driven by the spontaneous and collisional pairing of atoms with a specific momentum [latex]\mathbf{k}[/latex] of magnitude [latex]k_f[/latex], as demonstrated by a pattern recognition algorithm aligning randomly oriented condensate structures.](https://arxiv.org/html/2601.05576v1/x8.png)
This review examines how driving forces create striking patterns – from gentle ripples to chaotic turbulence – within the exotic realm of superfluidity.

New research explores how entanglement-a fundamental property of quantum mechanics-might describe the structure of a multi-component universe using holographic principles.
![The search for [latex] \text{CP} [/latex] violation in [latex] t\bar{t}Z [/latex] and [latex] Zq\bar{q} [/latex] production reveals sensitivity to both linear and quadratic effective field theory contributions, demonstrated by likelihood scans across the [latex] (c^{I}_{tW}, c^{I}_{tZ}) [/latex] plane, and highlighting a landscape where deviations from the Standard Model - marked by a specific cross - are actively sought within a complex parameter space.](https://arxiv.org/html/2601.05282v1/figures/fig1_cpv_contours.png)
New CMS results at the LHC probe the subtle ways top quarks interact, seeking evidence of physics beyond the Standard Model.
New imaging techniques capture the real-time propagation of structural changes in vanadium dioxide triggered by laser excitation.

New observations of the tidal disruption event AT2019teq reveal a prolonged, intensely bright X-ray emission, offering crucial insights into the behavior of matter near a supermassive black hole.
A new model leveraging modular symmetry offers a compelling explanation for the origins of quark masses, mixing angles, and CP violation.