Echoes of the Quantum Universe in Gravitational Waves
A new study explores how future gravitational wave detectors could reveal subtle signatures of quantum gravity near black holes.
Science
Beyond Order: Topology’s Role in Quantum Phase Transitions
A new perspective on quantum criticality emerges as researchers explore the interplay between topological states and the breakdown of conventional order.
The Fabric of Reality: Can Spacetime Emerge From Spin?
A new theoretical approach proposes that spacetime isn’t a fundamental entity, but arises from the intricate interactions of elementary spinor particles.
Entanglement’s Role in Unveiling Phase Transitions
![In the context of EN-BI massive gravity, a Hawking-Page phase transition exhibits a critical temperature of [latex]T_1 = 0.0728[/latex], beyond which the system undergoes a first-order phase transition, ultimately reaching a minimum temperature of [latex]T_0 = 0.0455[/latex] as indicated by the relationship between free energy, temperature, and entropy density.](https://arxiv.org/html/2601.00071v1/x19.png)
New research leverages holographic entanglement measures to probe the boundaries between different states of matter and spacetime in complex gravitational systems.
Sonic Horizons: Simulating Black Holes with Light and Sound
![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.
Beyond the Horizon: Redefining Sensing Limits with Massive Arrays
A new analysis establishes fundamental performance limits for near-field sensing systems, paving the way for more accurate and reliable 6G technologies.
Unlocking Gravity’s Secrets with String Theory’s Double Copy
New research reveals how a powerful mathematical technique can connect particle interactions and gravitational forces, offering insights into fundamental physics.
No Regular Beat: A Deep Look at FRB 20240114A
![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.
Unlocking the Mystery of Spontaneous Magnetism in a Superconductor
![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.
Dancing on the Edge of Chaos: Exploring Herman Rings
This review delves into the fascinating world of Herman rings, complex dynamical systems exhibiting a delicate balance between order and unpredictability.