168 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 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 explores the mathematical connection between the Hahn-Banach Theorem and the Second Law of Thermodynamics, demonstrating how the theorem guarantees the existence of entropy and temperature functions for any material state while establishing that their uniqueness depends on the reachability of states via reversible processes.
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 introduces Taylor-SWFT, an efficient Taylor expansion-based implementation of Statistical Wave Field Theory that enables geometry-aware, real-time synthesis of late reverberation for dynamic room acoustic simulations with significantly reduced computational costs.
This paper proposes a wave-physics-based analytical framework that characterizes expressive partner dance movements, specifically in Bachata Sensual, as a choreographic notation capable of mapping bodily motion to harmonic phenomena and musical structures.
This paper theoretically and experimentally demonstrates how a slightly tilted, high-speed rotating permanent magnet can achieve stable, gravity-independent levitation of a second magnet in both on-axis and off-axis configurations by creating a dynamic equilibrium that bypasses Earnshaw's theorem.
This paper proposes a physics-informed neural network (LM-PINN) that enables rapid, label-free, and universal design of high-quality terahertz 3D holographic metasurfaces, overcoming the speed and adaptability limitations of traditional iterative and existing deep-learning methods.
This study presents a computationally efficient, non-iterative inverse framework using Fourier-domain regularization and analytical Green's functions to reconstruct moving contact loads on an elastic half-space from prescribed surface displacements, successfully applying the method to rigid wheel-ground interactions to characterize dynamic stress fields and their Mach number-dependent asymmetry.
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 the polymerization degree of polymeric solvents serves as an independent control parameter for surface creasing in swelling gels by modulating mixing entropy and osmotic pressure, thereby decoupling equilibrium swelling from mechanical stability thresholds.