Creating Darkness: From the Big Bang to the Lab
New research explores how the universe may have generated dark matter during its earliest moments, and seeks to replicate the process in controlled laboratory settings.
Science
Chiral Light, Targeted Capture: Silicon Nanodisks Isolate Molecules by Handedness
Researchers have demonstrated a new method for selectively trapping and separating chiral molecules using the unique optical properties of silicon nanodisks and structured light.
Twisting to See Chirality: A New Torque-Based Sensor
Researchers have developed a novel method to directly detect the chirality of crystalline materials by measuring minute mechanical torques induced by moving energy carriers.
The Quantum Enigma: What Does the Wave Function Really Tell Us?
A new historical review traces the century-long debate over whether the wave function is a mathematical tool or a description of physical reality.
The Physics of Search: How AI is Rewriting Learning
![The analysis of search volume shifts between 2023 and 2025 reveals a growing divergence in public interest between mechanics and electromagnetism-particularly within the United States-where searches for electromagnetism-related content exhibited a positive median shift, suggesting a potential re-weighting of focus within physics-related online inquiry, even after accounting for extreme outliers such as a [latex]220\%[/latex] surge in worldwide electromagnetism searches.](https://arxiv.org/html/2602.09550v1/percentage_changes1.png)
A new analysis reveals a dramatic shift in how physics students find information, with generative AI tools rapidly replacing traditional search engines.
Unlocking the Secrets of Quantum Spin Liquids with Light
This review explores how Raman spectroscopy is used to probe the exotic properties of Kitaev quantum spin liquids and search for evidence of their elusive Majorana fermion excitations.
Shattering Symmetries: The Hunt for Lepton and Baryon Number Violation
![The search for physics beyond the Standard Model hinges on detecting processes that violate fundamental conservation laws - specifically, baryon number and lepton number - as evidenced by theoretical pathways including proton decay into a positron and pion ([latex]p \to e^{+} \pi^{0}[/latex]), oscillations between neutrons and antineutrons, and neutrinoless double-beta decay, each predicting distinct signatures of [latex]\Delta B[/latex] or [latex]\Delta L[/latex] violation.](https://arxiv.org/html/2602.09097v1/diag0vbb.png)
A comprehensive review explores the experimental efforts to detect processes that break fundamental conservation laws, with profound implications for particle physics and cosmology.
Unconventional Superconductivity Emerges from a Kondo Ferromagnet
New research reveals a surprising path to superconductivity in Ce5CoGe2, a material where magnetism and electron behavior intertwine.
Helium’s Odd Behavior Constrains Search for New Forces
![The study posits an exotic interaction between electrons in both [latex] ^4He [/latex] and [latex] ^3He [/latex], mediated by a novel boson, and crucially demonstrates that this electron-electron interaction-despite differing nuclear structures-produces identical leading-order energy shifts in both isotopes, suggesting a fundamental, isotope-independent quantum effect.](https://arxiv.org/html/2602.09743v1/x1.png)
A decades-old puzzle involving helium’s ionization energy continues to challenge our understanding of fundamental physics and is narrowing the possibilities for exotic interactions beyond the Standard Model.
Witnessing Disorder: Atoms Reveal the Secrets of Localization
Researchers have directly observed the three-dimensional Anderson transition in ultracold atoms, providing crucial experimental validation of decades-old theoretical predictions about how disorder affects material properties.