![In heavy-ion collisions of lead nuclei at [latex]\sqrt{s_{NN}} = 5.02 \text{TeV}[/latex], the centrality dependence of the correlated two-particle flow coefficient, [latex]f_{CME}[/latex],-extracted via correlations relative to the spectator and participant planes as defined by Eq. 7-reveals a consistent trend across varying degrees of collision centrality, as indicated by the statistical and systematic uncertainties represented by vertical bars and boxes, respectively, and further validated by a constant fit within a 95% confidence level band.](https://arxiv.org/html/2602.22900v1/2602.22900v1/x6.png)
New results from the Large Hadron Collider constrain the search for the chiral magnetic effect-a fleeting quantum phenomenon predicted to arise in the ultra-hot matter created by colliding lead ions.
![The study demonstrates a correlation between the strength parameter α and the dimensionless decay constant [latex]\tilde{\beta}[/latex], with observed minor dependencies on the [latex]M\_B[/latex] mass and a relationship to both the inverse of the initial time [latex]1/\sqrt{t\_0}[/latex] and the Hubble parameter [latex]H[/latex], further influenced by temperature [latex]T[/latex] within the Standard Model’s effective degrees of freedom [latex]g\_{\rm eff,SM}(T)[/latex].](https://arxiv.org/html/2602.23002v1/2602.23002v1/x15.png)
New lattice QCD calculations explore the potential for detecting a specific dark matter model – Hyper Stealth Dark Matter – through the gravitational waves produced during its early formation.
![The study demonstrates a decomposition and weighting of spin-[latex]\frac{1}{2}[/latex] U(1) gauge links interacting with a matter Hamiltonian, revealing the intricate relationships within the system described by the inequality [latex]\tilde{1}[/latex].](https://arxiv.org/html/2602.22332v1/2602.22332v1/x4.png)
New research demonstrates a novel algorithm for tackling the notorious fermion sign problem in models that combine quantum links with dynamical matter.
![This work establishes upper limits on the kinetic-mixing parameter ε as a function of dark-photon mass [latex]m_{A^{\prime}}[/latex], derived from [latex]B_{x}B_{y}[/latex] and [latex]B_{y}B_{x}[/latex] channels and enhanced through noise subtraction utilizing [latex]B_{z}[/latex] as a coherent reference, demonstrating a sensitivity reaching over [latex]10^{7}[/latex] scanned masses and providing constraints complementary to those from astrophysical observations and existing bounds such as the Coulomb-law limit and projections for future implementations with sensitivities of [latex]0.1\,\mathrm{fT}/\sqrt{\mathrm{Hz}}[/latex].](https://arxiv.org/html/2602.22308v1/2602.22308v1/x2.png)
A sensitive laboratory search employing advanced magnetic shielding and signal processing techniques has constrained the properties of ultralight dark photons.
New research reveals deep connections between matrix models, holographic duality, and the hidden symmetries of string theory and supergravity.
![The emergence of superconductivity hinges on a delicate balance, where the transition temperature [latex] T_c(p) \sim E_{\rm pair}\rho_0(p) [/latex] peaks near a correlated critical point [latex] p_c [/latex], governed not by complex interactions, but by the finite infrared extent of collective relaxation modes-a principle demonstrated by the linear scaling between transition temperature and superfluid stiffness [latex] T_c \propto \rho_s [/latex] across diverse material families.](https://arxiv.org/html/2602.22626v1/2602.22626v1/x3.png)
A novel framework linking collective dynamics and long-range memory effects offers a promising explanation for the enduring mystery of high-temperature superconductivity.
New research explores how the principles of noncommutative geometry reshape the behavior of particles in strong gravitational fields, predicting a position-dependent effective mass.
New predictions detail how upcoming experiments at FAIR and the LHC can shed light on the production of rare charmed hadrons and nuclei, offering a window into the strong force.
![The spatial behavior of correlation functions-specifically [latex]g_{ss^{\prime}}(\delta{\bf r})[/latex] and [latex]g_{nn}(\delta{\bf r})[/latex]-reveals distinct characteristics of translationally and rotationally invariant systems dependent on interaction parameters, exhibiting behavior consistent with either a deep BCS regime ([latex]\ln k_{\rm F}a=2.15[/latex]) or a crossover region ([latex]\ln k_{\rm F}a=0.36[/latex]), as modulated by the level of approximation detailed in Table 1.](https://arxiv.org/html/2602.23019v1/2602.23019v1/x1.png)
New theoretical work clarifies the interplay of spin, symmetry, and the Pauli exclusion principle in understanding correlated behavior across the BCS-BEC crossover.
![The study demonstrates that highly energetic photons observed by LHAASO can be explained through the mixing of axion-like particles and photons within strong, non-Gaussian magnetic fields, with survival probability [latex]\mathcal{P}\_{\gamma\rightarrow\gamma}[/latex] dependent on parameters κ and [latex]\lambda\_{\rho}[/latex] but independent of axion-like particle mass, suggesting a mechanism where even established theoretical frameworks are vulnerable beyond certain thresholds.](https://arxiv.org/html/2602.23249v1/2602.23249v1/FigNGCase3.png)
A new analysis reveals that complex intergalactic magnetic fields may dramatically increase the survival of high-energy photons, potentially explaining observed gamma-ray fluxes and opening a window into elusive axion-like particles.