Axion Fields and the Dawn of Warm Inflation
![The study reveals that energy transfer to fluctuations in axion fields occurs in tandem with energy transfer to the gauge sector, a phenomenon observed across varying values of κ - specifically, at [latex]\kappa \approx 0.2[/latex] and [latex]\kappa \approx 2.0[/latex] - suggesting a simultaneous excitation of both components during the field's evolution.](https://arxiv.org/html/2601.09784v1/x13.png)
New simulations reveal how energy transfer between axion-like particles and gauge fields could have seeded the early universe.
Science
Order in Chaos: Unlocking Quantum Transport in Quasiperiodic Materials
![The study of a quasiperiodic potential within the [latex]GAAH[/latex] model reveals a clear delineation between extended and localized states, demarcated by an analytically derived mobility edge, and further substantiated by finite-size scaling of typical conductance at energies coinciding with this edge, demonstrating exponential decay consistent with numerically computed Lyapunov exponents [latex](\sigma=0.0003)[/latex], alongside a corresponding finite-size scaling of the typical spectral gap around energies [latex]E_{c,1}=1.84[/latex], [latex]E_{c,2}=0.24[/latex], and [latex]E_{c,3}=-2.32[/latex].](https://arxiv.org/html/2601.10056v1/x5.png)
New research reveals how the unique spectral properties of quasiperiodic lattices govern the flow of electrons, leading to unexpected transport phenomena.
Symmetry and Quantization: Twisting the Rules of Space
New research delves into the geometric foundations of quantizing symmetric spaces, revealing connections between algebraic structures and potential applications in fundamental physics.
Waves of Change: Quantum Geometry Reveals Hidden Fluid Dynamics
A new study unveils a quantum-geometric framework for understanding the behavior of rotating shallow water, linking band geometry and topology to wave patterns.
Spinning Black Holes: How Magnetic Fields Supercharge Particle Acceleration
New research reveals a surprising relationship between magnetic field strength and energy extraction around rotating black holes, potentially explaining the origin of high-energy particles in extreme astrophysical environments.
Graphene’s Strange Response to Light Could Unlock New Physics
![The frequency-dependent response of graphene’s dielectric function demonstrates a clear threshold at [latex]\omega = v_F q[/latex], beyond which the material’s imaginary component-and thus its capacity to absorb energy-shifts dramatically, suggesting an inherent limit to its optical properties at a given momentum transfer of [latex]q = 100~\mbox{cm}^{-1}[/latex] and temperature of 300K.](https://arxiv.org/html/2601.10478v1/x4.png)
A new theoretical study delves into the unusual dielectric properties of graphene, revealing unexpected behavior that could resolve inconsistencies in fundamental calculations.
Beyond the Straight Line: Rethinking Gravitational Lensing
![The study establishes a coordinate system centered on the lens, utilizing spherical coordinates [latex] (\theta, \phi, r) [/latex] to define the lens metric [latex] [Eqs. (87) and (109)] [/latex], and further refines this approach by transitioning to a flat spacetime coordinate system centered on the source for initial condition placement, effectively modeling geodesic deviation based on the closest radial distance to the impact parameter [latex] b [/latex].](https://arxiv.org/html/2601.10239v1/refBHS1.jpeg)
A new perturbative approach challenges traditional geometric optics models of gravitational lensing, revealing subtle effects previously overlooked in calculations.
Unconventional Magnetism Powers Superconducting Diodes
![The efficiency of the stochastic differential equation in realizing a spin-singlet dd-wave phase-modulated along the direction of minimal wave vector [latex]\mathbf{Q}[/latex]-exhibits a dependence on the upper polar moment spin splitting λ, particularly under a magnetic field normalized to the critical temperature, and this relationship varies predictably with temperature itself.](https://arxiv.org/html/2601.09783v1/x8.png)
New research demonstrates a highly efficient superconducting diode effect arising from the interplay of unconventional magnetism and superconductivity, opening doors to next-generation energy-saving electronics.
Seeing Atomic Motion: A New Lens for Molecular Dynamics
Researchers have developed a visual analytics system to help make sense of the complex movements of atoms during molecular simulations.
Plasma’s Magnetic Fields: A Unified Origin Story
New research reveals a fundamental framework for understanding how magnetic fields are born in plasmas, bridging disparate theories and predicting behavior in extreme environments.