169 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 study experimentally analyzes the thermal unbalance effects induced by differential heating in journal bearings on both rigid and flexible rotors, revealing that while rigid rotors exhibit increased synchronous amplitudes with hysteresis, flexible rotors can experience instability and bearing contact depending on the rotor start-up time.
This paper introduces a novel symmetry decomposition approach to derive "Painlevé solitons" for the AKNS system and NLS equations, revealing that a specific combination of scaling, Galilean, and square eigenfunction symmetries generates new classes of irrational algebraic, rational algebraic, and parabolic cylindrical function solitons that generalize elliptic solitons.
This paper presents a new analytical approach using the chief spacecraft's Cartesian coordinates to describe four-spacecraft formations on elliptic Kepler orbits, demonstrating that the formation's volume can be expressed as a time-dependent polynomial to facilitate mission planning for testing modified gravity theories.
This paper re-examines the integral form of Gauss' law for arbitrarily moving charges and a time-dependent, deforming Gaussian surface, deriving a specific evolution equation for the electric flux and demonstrating that while the flux depends on the surface's expansion or contraction, it remains independent of its deformation.
This review paper argues that the foundations of quantum mechanics, specifically the quantum description of the photon, can be derived directly from Maxwell's equations in free space by applying the correspondence principle and pre-existing mathematical techniques, thereby highlighting the deep continuity between classical electromagnetism and quantum theory.
This paper establishes a convergent low-temperature cluster expansion for the one-dimensional long-range ferromagnetic Ising model with polynomial decay (where ), demonstrating that the two-point correlations decay algebraically at a rate exactly equal to .
This study demonstrates that beating two co-propagating laser pulses on a smooth cylindrical plasma-vacuum interface can resonantly excite high-amplitude surface plasmon wakefields, offering a pathway toward portable laser-driven plasma accelerators using state-of-the-art fiber lasers.
This paper extends previously developed Bouc-Wen-based incremental collision models for convex viscoplastic bodies by incorporating time-dependent external forces, expanding the range of analytically favorable parameters to include corner cases, and validating the augmented models through additional parameter identification studies.
This paper proposes a linear model of the cochlea as vibrating strings to demonstrate the emergence of the sub-harmonic series, thereby explaining the historical hypothesis regarding minor chord consonance and offering new insights into the generation of combination tones through energy nonlinearity.
This paper presents a theoretical framework for a three-dimensional photonic topological insulator composed of a cubic lattice of bianisotropic resonators, utilizing a dyadic Green's function approach to demonstrate how bianisotropy induces topological in-gap states and quadratic degeneracies.