Beyond Strings: Mapping the Quantum Realm of M-Branes
New research delves into the holographic connection between M-theory and its boundary field theory counterparts, offering insights into the quantization of higher-dimensional membranes.
Science
Beyond Spin: Engineering Quantum Hall Effects with Exciton Condensation
![Exciton condensation within an altermagnetic material exhibiting a nodal ring at the Y point demonstrates a transition between trivial and topological electronic insulation, evidenced by contrasting order parameter magnitudes [latex]|\Delta_{\boldsymbol{k}}|[/latex], spontaneous spin textures-collinear for C=0 and noncollinear (s+id)-wave for [latex]|C|=1[/latex]-and corresponding berry curvature profiles at a fixed [latex]V_{\rm ph} = 1.3[/latex].](https://arxiv.org/html/2603.12280v1/x8.png)
New research demonstrates a pathway to realize the Quantum Anomalous Hall effect in magnets without relying on spin-orbit coupling, utilizing exciton condensation to control electron flow.
Spinning Entanglement: Harvesting Quantum Links in Orbital Motion
New research explores how entanglement can be generated between qubits when one accelerates in a circular path, leveraging the quantum vacuum.
Twisted Symmetry: How Anomalies Shape the Quark-Gluon Plasma
![The temperature dependence of the quark chiral condensate reveals a transition from smooth crossover behavior-characteristic of gradual changes-to multi-valued branches indicative of first-order phase transitions, a distinction observed across varying quark mass configurations including physically realistic values [latex] m_{u,d} = 0 [/latex] and a flavor-symmetric case where [latex] m_{u,d} = m_{s} [/latex].](https://arxiv.org/html/2603.12616v1/x30.png)
New research demonstrates that subtle variations in how axial anomalies are modeled within holographic QCD significantly alter the structure of the chiral phase transition.
Watching Molecules Dance with Light
![The interplay between a gold nanoparticle and a mirror surface creates a constrained environment where emission frequencies [latex]\omega_k[/latex] shift over time, evidenced by a normalized emission intensity [latex]I_k[/latex] dependent on the dielectric functions of gold [latex]\epsilon_{Au}(\omega)[/latex] and the surrounding solvent [latex]\epsilon_{env}[/latex], as well as the distance δ between the nanoparticle and mirror-a phenomenon further characterized by a spectral density [latex]J(\omega)[/latex] comprised of summed Lorentzian modes and exhibiting negligible difference in proton position expectation values whether or not a cavity is present.](https://arxiv.org/html/2603.12373v1/figs/NPOM_weak.png)
New simulations reveal how light trapped in nanoscale cavities can influence and track the ultrafast movements of atoms within molecules.
Beyond Ferromagnetism: A New Class of Spin-Active Materials
(P,T)[/latex] symmetries, with a specific focus on the region represented by yellow dotted lines.](https://arxiv.org/html/2603.12330v1/F1.png)
Researchers have discovered a unique form of magnetism in coplanar antiferromagnets that exhibits robust spin currents and can be controlled by light and electric fields.
Mapping the Strong Force: New Insights from Lattice QCD
Researchers are refining calculations of particle spectra using lattice quantum chromodynamics to better understand the behavior of the strong force that binds atomic nuclei.
Beyond Relativity: Exploring the Limits of Spacetime
A new study delves into Carroll symmetries-a non-Lorentzian framework-to uncover surprising connections between field theory, gravity, and the potential foundations of quantum gravity.
Beyond Individual Excitons: Unveiling Correlated Quantum States
New research delves into the intricate interactions between excitons, revealing how their correlations give rise to emergent phases and potential quantum phenomena.
Fragile Order: How Quantum Systems Defy Disorder
![The structure defines a quantum bottleneck where [latex]\mathcal{B}_{\rm out}[/latex] emerges as a necessary component within the global definition-a refinement beyond the foundational Definition B.1-suggesting a nuanced interplay between local and global constraints.](https://arxiv.org/html/2603.13212v1/x1.png)
New research demonstrates a surprisingly robust mechanism for spontaneous symmetry breaking in complex quantum magnets, even when faced with significant disorder and low-energy excitations.