Entangled Decay: Does Positronium Challenge Reality?
New research explores whether the decay of positronium, when analyzed through Compton scattering and mirror symmetry, reveals fundamental limitations to our understanding of locality and realism.
Science
Accelerated Horizons: Unlocking the Secrets of Rindler Space
![Hankel functions, parameterized by the ratio [latex]\omega/\alpha[/latex], define the spectral response of a polarizer, with the magnitude squared of the first-order Hankel transform [latex]|H^{(1)}_{iy}(ix)|^{2}[/latex] serving as a quantifiable metric for frequency quantization at the boundary condition.](https://arxiv.org/html/2602.07323v1/fig4.png)
New research demonstrates how boundary conditions shape the energy spectrum of quantum fields in accelerated frames, offering insights into particle creation.
Beyond Hermiticity: Rydberg Atoms Illuminate New States of Matter
Recent advancements leverage the unique properties of Rydberg atoms to explore the fascinating realm of non-Hermitian physics and its implications for quantum technologies.
Quantum Leaks: Simulating Black Hole Information Escape
![A one-dimensional model of black hole evaporation, realized through an engineered spin chain with site-dependent couplings, demonstrates a transition from the predicted linear growth of Hawking radiation-characteristic of semiclassical behavior-to a downturn and eventual decay to zero as the black hole completes evaporation, mirroring the Page curve and indicating a potential resolution to the information paradox when approximately half of the particles have radiated away [latex] t_{P} [/latex].](https://arxiv.org/html/2602.07043v1/x1.png)
New research demonstrates the transfer of quantum information across an event horizon-like boundary in a tabletop experiment, shedding light on the long-standing black hole information paradox.
Quantum Eyes on Gravity: Probing Holographic Realities
![The study investigates the relationship between a ManaMM detector’s energy gap and the holographic quantization of a dual scalar sector within a three-dimensional conformal field theory, demonstrating that a local bulk detector approaching the boundary does not generally replicate the results of a local boundary-detector protocol-a finding illustrated by comparing admissible holographic quantizations [latex]\Delta = \Delta_{\pm}[/latex] with bulk AdS curves.](https://arxiv.org/html/2602.07895v1/x1.png)
A new framework utilizes localized quantum detectors to investigate the subtle differences between holographic quantum gravity models.
Whispers of Quantum Gravity from Black Hole Orbits
![The study delineates the phase diagram of a rotating HBH parameterized by [latex]a/M[/latex] and [latex]\alpha_{0}/M^{2}[/latex], with the blue line specifically indicating the condition for an extremal black hole.](https://arxiv.org/html/2602.07436v1/x1.png)
New research suggests that the subtle shifts in gravitational waves emitted by objects spiraling into rotating black holes could offer a unique window into the elusive realm of quantum gravity.
Simulating the Quantum Vacuum in Curved Space
![The emergence of fermion-antifermion pairs, quantified by number density and momentum spectrum at times [latex]\tau = 0.1\,\lambda[/latex], [latex]\tau = 1.3\,\lambda[/latex], and [latex]\tau = 10\,\lambda[/latex], correlates with spacetime curvature-specifically, the Ricci scalar [latex]R(\xi)[/latex]-calculated from equations governing a system discretized across [latex]N = 2^{11}[/latex] lattice sites with a time step of [latex]\delta\tau = 0.01\,\lambda[/latex], suggesting that particle creation is intrinsically linked to the geometry of spacetime itself.](https://arxiv.org/html/2602.07330v1/rhops.png)
New computational methods are opening a window into the exotic particle creation predicted by quantum field theory in the presence of strong gravitational effects.
The Quantum Muse: Art from the Edge of Reality
A new approach explores the aesthetic dimensions of quantum mechanics, not as depictions of nature, but as cultural artifacts shaped by computation and language.
Hunting for New Higgs at the HL-LHC
![The production of a heavy, CP-even Higgs boson alongside a top-quark pair-a process denoted as [latex]pp \to t\bar{t}H[/latex] within the Two-Higgs-Doublet Model Type-I-results in a decay chain culminating in a final state characterized by twelve detectable jets at the High-Luminosity Large Hadron Collider, providing a pathway to explore physics beyond the Standard Model.](https://arxiv.org/html/2602.06217v1/tth2n.png)
Researchers explore how the High-Luminosity Large Hadron Collider can reveal evidence for extended Higgs sectors beyond the Standard Model.
Fragile Vacuum: Quantizing Fields in Anti-de Sitter Space
A new analysis explores the quantum stability of empty space within the unique geometry of Anti-de Sitter spacetime.