126 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 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.
This paper demonstrates that electron magnetic dipole interactions can be consistently described using a field-only formulation that extends the Poynting theorem and Maxwell equations to include dipole sources, yielding results equivalent to conventional quantum electrodynamics without relying on electromagnetic potentials.
This paper demonstrates a nonequilibrium analogue of Kramers turnover in a driven-dissipative Kerr parametric oscillator by theoretically establishing a method to decouple activation barriers from damping via drive-controlled rescaling and experimentally verifying the resulting nonmonotonic switching rate crossover in a micro-electromechanical device.
This paper employs the variational-asymptotic method to derive an asymptotically exact one-dimensional theory for functionally graded anisotropic rods, utilizing dual cross-sectional problems to provide rigorous energy bounds and demonstrating through numerical benchmarks that the model significantly outperforms naive rod theories by reducing deflection prediction errors from 20% to below 3% while accurately capturing long-wave dynamic behavior.
This paper systematically analyzes the dependence of ferromagnetic resonance frequency, damping, and quality factor on local energy curvature in ferromagnetic nanomagnets, highlighting how the standard quality factor approximation fails near bifurcation points where the number of metastable energy minima changes.
This paper demonstrates that an elastic rod subjected to equal and opposite transverse distributed loads with zero resultant force exhibits buckling and postcritical deformations identical to those caused by an axial load, a counterintuitive phenomenon confirmed through theoretical modeling, numerical simulations, and experimental validation.
This paper extends the concept of shortcuts to adiabaticity from quantum dynamics to classical nonlinear dissipative Lagrangian systems by using inverse engineering to design smooth, rapid control protocols for a coupled manipulator, while analyzing their trade-offs against time-optimal and PID methods and introducing a single-shot correction to mitigate early deviations.