187 papers
This collection explores the fundamental physics concepts that govern how matter and energy interact across the universe. From the invisible forces shaping our daily lives to the complex mechanics driving cosmic phenomena, these studies reveal the underlying rules of reality. Here, we translate cutting-edge research into insights anyone can understand, bridging the gap between abstract theory and tangible discovery.
Every new preprint in this category originates from arXiv, where researchers first share their latest findings with the global community. At Gist.Science, we process each of these submissions to provide both detailed technical summaries and clear, plain-language explanations. This dual approach ensures that whether you are a seasoned physicist or a curious learner, you can grasp the significance of every breakthrough without getting lost in dense equations.
Below are the latest papers in Class-Ph, freshly processed and ready for you to explore.
This paper reports the discovery of "exceptional deficiency," a new non-Hermitian singularity involving the complete coalescence of two arbitrarily large eigenspaces and their spectral continua, which induces anomalous skin effects and synergistic dynamics that have been experimentally verified in active mechanical lattices.
This contribution presents an analytical investigation of the influence of magnetic fields on ion transport in concentrated solid solutions, derives general multicomponent transport equations, and demonstrates that a specific model for binary conductors accurately describes the experimental magnetoresistance data for PbCdF under the assumption of nearly degenerate multicomponent transport.
This paper presents a complete analytical solution for the stress field inside a homogeneous, linearly elastic sphere subjected to a concentrated normal surface load, derived via elastodynamic equations and spherical harmonic expansions, with results generalized to arbitrary loading positions through rotational transformations and superposition.
This paper proves that the Lorentz-FitzGerald contraction is the unique deformation required for a moving resonant cavity to preserve its spherical-harmonic eigenstructure, thereby deriving both length contraction and time dilation as necessary consequences of phase closure in a mechanical wave medium without additional assumptions.
This paper demonstrates that classical physics emerges from quantum mechanics through finite-resolution measurements, showing that when the measurement resolution exceeds Planck's constant, quantum statistics admit a positive classical probability density evolving via a smoothed Hamiltonian flow that reproduces classical trajectories.
This paper argues that despite the widespread textbook acceptance of infinite electromagnetic self-energy for point charges, a re-examination reveals that electrons must be point particles with zero electromagnetic self-energy.
This paper identifies a novel type of nonlinear oscillation in a parametrically driven rigid planar pendulum that occurs in regions predicted to be stable by Floquet analysis, characterized by periods longer than twice the driving period and a unique power spectrum where the two dominant response frequencies sum to the driving frequency.
This paper combines macroscopic bioinspired experiments, simulations, and analytic models to demonstrate that excessive magnetic dipolar strength causes magnetotactic bacteria to transition from effective swimming to clustered states, thereby establishing a physical upper bound on the size of their magnetic compasses.
This paper establishes that achieving generalized invisibility (reflectionless transmission with zero phase delay) in metasurfaces requires introducing additional degrees of freedom, such as oblique incidence or bianisotropic coupling, particularly when the surrounding media are dissimilar, and provides closed-form conditions and a universal dipolar framework to realize this state.
This paper demonstrates that a two-dimensional acoustic dimer composed of isotropic subwavelength scatterers can achieve unidirectional transverse scattering with strong overall scattering through coupled monopole-dipole interference, offering a promising mechanism for compact acoustic beam steering and directional wave routing.