![A condensate of polaritons, subjected to resonant oblique pumping, exhibits a tunable acoustic horizon-created at the point where flow velocity [latex]v_F[/latex] matches the sound velocity [latex]c_s[/latex]-allowing for precise control of these velocities through manipulation of pump amplitude and incidence angle.](https://arxiv.org/html/2512.23744v1/Fig_scheme.png)
Researchers have created a system using exciton-polariton condensates that mimics the behavior of black holes, potentially allowing for the study of Hawking radiation in a laboratory setting.
A new analysis establishes fundamental performance limits for near-field sensing systems, paving the way for more accurate and reliable 6G technologies.
New research reveals how a powerful mathematical technique can connect particle interactions and gravitational forces, offering insights into fundamental physics.
![The periodogram analysis of 3196 bursts from FRB 20240114A, conducted on data from March 12, 2024, reveals no significant peaks beyond those initially observed even when extending calculations to frequencies implying a neutron star with a magnetic field strength parameter [latex]\mu_{33} \ll 1[/latex], suggesting the observed radio bursts are not readily explained by standard magnetar models.](https://arxiv.org/html/2512.24936v1/x1.png)
New research fails to detect a consistent periodic signal from the fast radio burst source FRB 20240114A, challenging models linking these energetic events to rotating magnetars.
![The study demonstrates a correlation between the enhanced muon spin depolarization rate [latex]\Delta\lambda(T=0)[/latex] in strontium ruthenate and its derivatives, and the density of inhomogeneities or defects, suggesting [latex]\Delta\lambda(T=0)\propto nJ_{s}[/latex], where [latex]n[/latex] represents this density and [latex]J_{s}[/latex] the strength of spontaneous currents; specifically, La-doped samples and those under hydrostatic pressure maintain a relatively constant defect density, resulting in a depolarization rate proportional to the square of the critical temperature [latex]\Delta\lambda\propto T_{c}^{2}[/latex], while samples containing ruthenium inclusions or exhibiting random disorder demonstrate significantly enhanced depolarization rates driven by increased defect density.](https://arxiv.org/html/2512.24585v1/x3.png)
New research sheds light on the origins of intrinsic magnetic fields within strontium ruthenate, a material with unconventional superconducting properties.
This review delves into the fascinating world of Herman rings, complex dynamical systems exhibiting a delicate balance between order and unpredictability.
![The study demonstrates how the Wehrl entropy-decomposed into transverse and entanglement components-varies with longitudinal momentum fraction at different virtuality scales ([latex]Q=2[/latex], [latex]5[/latex], and [latex]10[/latex] GeV), revealing the inherent uncertainty-quantified by [latex]1\sigma[/latex] bands-associated with the underlying parton distribution function parametrization.](https://arxiv.org/html/2512.24855v1/x9.png)
New research connects the entanglement of partons within a proton to a classical description of their momentum distribution, offering a richer understanding of hadronic entropy.
New research directly observes impurity states within an excitonically insulating material, confirming the role of charge dipoles formed by material vacancies.
New research reveals a deep connection between two-dimensional integrable systems and the asymptotic symmetries of three-dimensional Chern-Simons theories, offering insights into their underlying mathematical structure.
New research reveals a crucial link between the properties of black holes and the central charge of their corresponding quantum field theories.