![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.
![The oscillatory behavior of magnetoresistance in [latex]NbSe_2[/latex] devices exhibits a clear dependence on layer thickness, transitioning from distinct oscillations in trilayer and four-layer structures to a more continuous response in six-layer devices and ultimately a bulk-like characteristic, a phenomenon consistently observed across varying temperatures.](https://arxiv.org/html/2602.22788v1/2602.22788v1/x2.png)
Researchers have discovered periodic magnetoresistance oscillations in few-layer niobium diselenide, revealing a unique mechanism driven by thermally activated vortices in a fluctuating superconducting state.
![The study of spin noise (SN) phase reveals that magnetic fields significantly alter phonon-magnon band spectra, with coupling between these excitations modulating the relative weight of phonon-like and magnon-like components within each band at an intrinsic frequency of [latex]\hbar\omega_{0}/J = 0.41[/latex].](https://arxiv.org/html/2602.22283v1/2602.22283v1/x2.png)
A new study demonstrates that subtle changes in phonon spectra can be used to detect previously hidden spin-nematic order and dynamics in quantum magnets.
![The distribution of pairing amplitudes-specifically [latex]\Delta_{aa;s}^{\uparrow\downarrow}[/latex], [latex]\Delta_{aa;es}^{\uparrow\downarrow}[/latex], [latex]\Delta_{aa;d+id}^{\uparrow\downarrow}[/latex] for spin singlets and [latex]\Delta_{aa;f}^{\uparrow\uparrow}[/latex], [latex]\Delta_{bb;f}^{\uparrow\uparrow}[/latex], [latex]\Delta_{aa;p+ip}^{\uparrow\uparrow}[/latex], [latex]\Delta_{bb;p+ip}^{\uparrow\uparrow}[/latex] for spin triplets-reveals the stabilized ground state phases determined by minimizing condensation energy across varying [latex]JJ[/latex] points on the A and B sublattices, with parameters μ and [latex]V_{1}[/latex] defining the observed regions.](https://arxiv.org/html/2602.22736v1/2602.22736v1/x4.png)
New research reveals how altermagnetic order can induce chiral superconductivity by reshaping electronic states and suppressing conventional pairing.
![The ground state solution [latex]\Delta\rho_{0}(s,\Lambda)[/latex] for the [latex]B_{c}(1^{-})[/latex] meson exhibits a discernible dependence on the variable <i>s</i> at a fixed value of [latex]\Lambda = 5.5\ \text{GeV}^{2}[/latex].](https://arxiv.org/html/2602.22872v1/2602.22872v1/x4.png)
A new approach to QCD sum rules, employing an inverse matrix method, significantly enhances the precision of bottom-charmed meson mass and decay constant calculations.
![Rydberg atom arrays, when modeled as a U(1) quantum link system, exhibit tunable confinement regimes-stable at spectral extremes and prone to resonant melting when initialized mid-spectrum-a dynamic governed by the relationship [latex] (n+1)V_2 = n\delta_0 [/latex] and demonstrated through the time evolution of average occupation, revealing a pathway to control quantum state stability.](https://arxiv.org/html/2602.22890v1/2602.22890v1/fig_1.jpg)
Researchers have used programmable arrays of Rydberg atoms to simulate a fundamental aspect of particle physics: the confinement of force-carrying particles.
This review explores how observing materials in strong magnetic fields reveals fundamental details about their electronic structure and drives discovery in cutting-edge materials science.
Researchers have demonstrated the creation and magnetic control of complex, multidimensional topological structures within carefully engineered photonic crystals.
![The difference in eigenvalues [latex]E_{0,\sigma}[/latex]-measured in units of the mean-field Josephson frequency [latex]\Omega_J = J\sqrt{1+\Lambda}[/latex]-varies with interaction strength Λ and normalized sum index [latex]\sigma/N[/latex] for a system of 500 particles, demarcating a branching transition line as defined by Eq. (7).](https://arxiv.org/html/2602.22857v1/2602.22857v1/x2.png)
New research reveals that macroscopic quantum self-trapping, a phenomenon predicted in superfluids, is fundamentally limited by particle number and quantum fluctuations.
![The system calculates pseudo-entropy using a defined strip geometry and boundary conditions [latex]a[/latex] and [latex]b[/latex], then employs a conformal mapping-doubling the geometry with its mirror image-to facilitate analysis.](https://arxiv.org/html/2602.22994v1/2602.22994v1/x2.png)
New research unveils a dynamic entanglement phase transition in holographic conformal field theories, mirroring phenomena observed in complex quantum systems.