Cosmic Strings and the Fabric of Spacetime
New research explores how quantum entanglement in cosmic strings can reveal the hidden geometry of exotic spacetimes, including those containing wormholes.
Science
Probing Singularities: New Insights from D2-Brane Theories
This research introduces a systematic approach to understanding complex geometric singularities by leveraging deformations of 3D gauge theories and the power of mirror symmetry.
Frozen Motion: How Interacting Particles Can Halt in Time
![The study demonstrates how a driven, two-mode bosonic system, modeled within a Fock space framework and subject to two-body interactions, exhibits a transition from quantum to classical evolution-a shift evidenced by the divergence of mean-field trajectories and Husimi distributions at increasing periods, beginning with initial states [latex]\ket{\psi\_{0}}=\ket{100,100}[/latex] and characterized by parameters such as rotation angle [latex]a=0.1[/latex] and torsion amplitude [latex]b=600[/latex].](https://arxiv.org/html/2604.09224v1/x1.png)
New research reveals a surprising state of matter where many-body interactions prevent particles from exploring all possible states, leading to a form of ‘dynamical localization’.
Quantum Ready: Building the Workforce of Tomorrow
A new review identifies the essential hands-on skills undergraduates need to succeed in the rapidly expanding quantum technology sector.
Quantum Hall Interferometry Reveals Hidden Andreev Physics
![A Hong-Ou-Mandel interferometer-configured with graphene sheets under a perpendicular magnetic field-demonstrates chiral edge state behavior, where the scattering region between source and drain contacts-governed by parameters such as the insulator or superconducting gap Δ and tunable Fermi energies [latex]\mu_{L,c,R}[/latex]-effectively creates a “p-S-n” junction exhibiting distinct chiralities contingent on the relative magnitudes of [latex]\mu_L[/latex], [latex]\mu_c[/latex], and [latex]\mu_R[/latex].](https://arxiv.org/html/2604.09463v1/x1.png)
Researchers have leveraged a superconducting beam splitter within a Quantum Hall interferometer to observe and characterize crossed Andreev reflection, a key process for manipulating quantum information.
Feeling the Strain: How Tidal Forces Reveal the Secrets of Compact Objects
This review explores how the subtle stretching and squeezing caused by tidal forces unlocks crucial information about the internal structure of black holes, neutron stars, and their exotic counterparts.
Echoes of Dark Matter: Hunting Axions with Gravitational Waves
A new analysis reveals how observing gravitational waves could unlock the secrets of high-quality axions, a leading candidate for dark matter.
Quantum Dynamics: Unveiling Hidden Rhythms
New research establishes a powerful framework for analyzing the long-term behavior of quantum processes driven by chaotic systems.
Hunting for the Unknown: NA62’s Search Beyond the Standard Model
![The NA62 experiment meticulously probes the rare decay of kaons into pions and muons, seeking to precisely measure branching ratios and constrain models of beyond-the-Standard-Model physics through the observation of [latex] K^+ \rightarrow \pi^+ \nu_{\mu} [/latex] decays.](https://arxiv.org/html/2604.08954v1/x1.png)
The NA62 experiment continues to probe the boundaries of particle physics, seeking evidence of new phenomena through precise measurements and searches for exotic particles.
Inside Neutron Stars: Mapping the Boundary Between Matter and the Unknown
New research combines theoretical models with astronomical observations to refine our understanding of the extreme conditions within neutron stars and the elusive transition between hadronic and quark matter.