Mapping the CFT Landscape with Moment Constraints
![The landscape of lightest scalar operators in conformal field theory exhibits distinct regions-a “pond” devoid of light scalars, and areas where operators like φ drift toward the unitarity bound or follow the [latex]2\Delta_{\phi}[/latex] trajectory-separated by boundaries indicative of operator decoupling, suggesting a fundamental structure despite the absence of a perturbative explanation for these observed behaviors.](https://arxiv.org/html/2603.18140v1/plots/map.png)
A new technique leverages semidefinite programming to chart the space of conformal field theories by analyzing moments of operator product expansion data.
Science
Unlocking the Secrets of Exotic Hadrons: A Deep Dive into Hidden-Charm Pentaquarks
![The magnetic moments of [latex]\Psi\psi NP_{\psi}^{N}[/latex] pentaquarks vary as a function of [latex]M^{2}[/latex], exhibiting a distinct dependence on the value of [latex]s_{0}[/latex] within a defined operational range delineated by vertical boundaries.](https://arxiv.org/html/2603.19151v1/x6.png)
New calculations reveal the magnetic moments of these unusual particles, offering crucial insights into their internal structure and the strong force that binds them.
Listening for Whispers of Dark Matter at 20 GHz
The ADAMOS experiment is pioneering a new approach to detecting axion dark matter by focusing on subtle, time-varying signals at microwave frequencies.
Beyond Flatness: How Field Geometry Shapes Dark Energy
![The system of two scalar fields, governed by an exponential potential, kinetic mixing, and a barotropic fluid characterized by the equation of state parameter [latex]w_{\alpha} = \alpha - 1[/latex], exhibits fixed points detailed in Table 1, with restrictions summarized by Eq. (3.5).](https://arxiv.org/html/2603.18341v1/x23.png)
New research explores how the interplay between the shape of dark energy’s underlying ‘field space’ and the curvature of the universe impacts cosmological models.
Emergent Interactions in M-Theory: A Quantum Leap for String Landscapes
![The analysis demonstrates how trajectories approaching zero along the real axis in the [latex]uu[/latex]-plane, and extending across the negative real axis branch cut, are transformed via the mirror map (11) onto the [latex]tt[/latex]-plane.](https://arxiv.org/html/2603.18681v1/x1.png)
New research demonstrates how interactions within M-theory can arise from quantum effects, lending support to the idea that the universe isn’t fundamentally built on pre-defined rules.
Hunting for Connections: Fast Radio Bursts and Their Cosmic Companions
![The analysis of 133 localized fast radio bursts yields refined parameter estimates - a characteristic luminosity of [latex]F=0.29\_{-0.09}^{+0.08}[/latex], an exponential scale of [latex]e^{\mu}=101.77\_{-{26}.30}^{+21.59}[/latex], and a host galaxy dispersion of [latex]\sigma\_{\rm host}=1.31\_{-0.16}^{+0.19}[/latex] - demonstrating that even seemingly definitive measurements carry inherent uncertainties, like echoes fading beyond an event horizon.](https://arxiv.org/html/2603.18487v1/x1.png)
A new systematic search investigates potential links between enigmatic fast radio bursts and the fleeting signals of other high-energy events in the universe.
Probing the Interactions of Force-Carrying Particles at the LHC
![The study investigates scattering and production of vector bosons, focusing on how deviations from the Standard Model-specifically, anomalous quartic-gauge couplings-manifest in diagrams involving triple- and quartic-gauge vertices, offering a pathway to detect new physics beyond established parameters described by [latex] \text{aQGCs} [/latex].](https://arxiv.org/html/2603.18630v1/x4.png)
New analysis of data from the ATLAS detector at the Large Hadron Collider provides stringent constraints on subtle deviations in how fundamental particles interact.
Spinning New Insights from Collider Data
![The study investigates how scattering kinematics and chirality-flip electromagnetic dipole interactions impose constraints on the real and imaginary components of [latex]\Gamma_{Z,\gamma}^{e}[/latex], specifically demonstrating these limitations in scenarios involving opposite-spin configurations.](https://arxiv.org/html/2603.18951v1/x4.png)
Researchers are exploring how transverse spin asymmetries in particle collisions can reveal subtle properties of light quarks and potentially unlock new physics.
Twisting Quantum Currents: New Control Over Electron Flow
Researchers have discovered a way to manipulate electron behavior in engineered materials, creating asymmetric dynamics and even ‘freezing’ quantum transport.
Echoes of the Early Universe: A New Look at Cosmic Expansion
New analysis of the cosmic microwave background and baryon acoustic oscillations suggests a discrepancy in measurements of the universe’s expansion history, potentially revealing clues about neutrino masses and the nature of dark energy.