Beyond the Proton’s Lifetime: A New Framework for Baryon Violation
This review details a systematic approach to understanding processes that could break fundamental symmetries governing matter stability.
Science
Pressure’s Play on a Topological Superconductor
![The study of YPtBi under pressure demonstrates that while the zero-field critical temperature [latex]T_c[/latex] remains largely unaffected, the application of pressure broadens the superconducting transition and suppresses the upper critical field [latex]H_{c2}[/latex], indicating a pressure-induced modification of the superconducting state.](https://arxiv.org/html/2603.11464v1/x4.png)
New research details how applied pressure alters the superconducting properties and electronic structure of YPtBi, a promising half-Heusler material.
Beyond Locality: Spin and Polarization in Extreme Light
New research reveals that accurately modeling particle spin and polarization in intense electromagnetic fields requires going beyond standard local approximations.
Quantum Geometry’s Einsteinian Echo
New research demonstrates that quantum flag manifolds exhibit a key property of classical spacetime – satisfying the Einstein condition – paving the way for advancements in non-commutative geometry.
Waves of Matter: Unveiling Patterns in Driven Bose-Einstein Condensates
![Through periodic modulation of the s-wave scattering length-at frequencies ranging from 84 Hz to 161 Hz-researchers induced the formation of regular polygonal condensates, demonstrating a controlled pathway to create star-shaped quantum states governed by the Gross-Pitaevskii equation and dependent on parameters such as a background scattering length of [latex]138(6)a_B[/latex] and a mean modulation amplitude of [latex]19a_B[/latex].](https://arxiv.org/html/2603.11870v1/x10.png)
This review explores how driven Bose-Einstein condensates exhibit fascinating spatial patterns, akin to waves on water, revealing the interplay between quantum mechanics and nonlinear dynamics.
Magnonic Mirrors: Bending Waves in One Direction
Researchers have engineered a novel magnonic mirror array that utilizes exceptional points to achieve unidirectional wave propagation with enhanced bandwidth and control.
The Echo of Chaos: Unveiling Universal Patterns in Quantum Scattering
![The distributions of rescaled scattering matrix elements and cross sections-detailed for [latex]\Xi=1.424[/latex] and [latex]M=52[/latex]-demonstrate empirical variation around each measurement, as indicated by the blue error bars, and provide a quantitative assessment of the system’s behavior.](https://arxiv.org/html/2603.12068v1/x2.png)
New research provides a complete analytical description of the Ericson transition, revealing a fundamental Gaussian distribution governing how quantum particles scatter.
Faster Cooling in Quantum Systems: A Resonant Explanation
New research reveals how quantum systems can sometimes cool down faster when starting from a more disordered state, challenging classical intuition.
Twisted Superconductors Reveal Hidden Order
![The observed modulation of [latex] dV/dI [/latex] with perpendicular magnetic fields in a 45° twisted superconducting junction reveals a chiral order, where zero or half-period phase differences-and consequently, identical or opposing chiralities in adjacent Josephson junctions-are dictated by the applied bias current, indicating that the system settles into free energy minima defined by [latex] \alpha_{min} = \pm \dfrac{\pi}{2} [/latex] and manifesting as anomalous phase shifts of either π or [latex] -\pi [/latex].](https://arxiv.org/html/2603.12092v1/x3.png)
A novel superconducting device built from twisted materials exhibits unusual quantum behavior, hinting at the emergence of new interfacial states.
Beyond the Horizon: Exploring Multi-Way Quantum Junctions
New research delves into the exotic geometry of ‘booklet wormholes,’ revealing connections between quantum entanglement and the fundamental nature of spacetime.