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 presents a numerically stable Method of Moments tool for simulating S-parameters of multilayer boxed PCBs by combining an S-matrix formalism to derive the complete dyadic Green's function with various basis functions to model both transverse and longitudinal currents.
This paper presents a Bayesian inference approach applied to a three-microphone tube method with circumferential microphone distribution to resolve phase jumps and accurately estimate the characteristic impedance and propagation coefficient of porous media across extended frequency ranges.
This paper rederives Lagrange's equations by applying the chain rule to establish the intrinsic link between the kinetic energy and momentum theorems, revealing that the equations fundamentally represent the transformation of energy conservation into momentum conservation through coordinate-dependent generalized forces and displacements.
This paper analytically demonstrates that minimizing the dimensions of a repetitive-pulse magnet coil optimizes its efficiency, enabling higher repetition rates and more intense magnetic fields by revealing a complex interplay between geometric parameters and performance metrics like energy loss and pulse duration.
This paper analyzes Alphonse Berget's 1923 popular science work *Le Ciel* to demonstrate how his Newtonian-based, semi-quantitative predictions of Earth-Moon travel—covering trajectory phases, human factors, and an estimated 49-hour transit time—offer a historically significant and pedagogically valuable synthesis of early 20th-century astrodynamics that remarkably anticipates modern spaceflight concepts.
This paper establishes chirality as a fundamental property of elastic waves by revealing a new continuous symmetry and conservation law in linear isotropic elasticity, distinguishing between integral chirality driven by transverse phonon imbalance and local chirality involving both transverse and longitudinal components, while introducing related concepts of acoustic helicity and "false chirality."
This study demonstrates that a classical nonlinear system of two spherical granules can exhibit time-driven Berry phases mirroring quantum phenomena, revealing a rich spectrum of vibrational modes and multiple nontrivial topological signatures influenced by driving forces and precompression.
This paper proposes a Non-Propulsive Payload Deployment (NPD) architecture for on-orbit servicing of mega-constellations, which significantly reduces fuel consumption by ejecting micro-payloads to autonomously rendezvous with targets, while introducing a phase-based algorithm and analytical formulas that enable efficient, low-error scheduling and planning for large-scale constellations like Starlink Gen2.
This study reveals that in thick magnetic films, the reflection of chirally protected surface spin waves is mediated by the excitation of localized bulk modes, a mechanism that defines the limits of backscattering immunity in nonreciprocal magnetic media.
This paper demonstrates that the relativistic energy-momentum relation emerges as an effective ensemble-averaged structure from a multiplicative Hamiltonian under maximum entropy inference, where scale-invariant constraints derived from Fisher-Rao geometry naturally yield the relativistic dispersion relation without initially imposing Lorentz symmetry.