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 proposes a classical model of elementary particles where distinguishing between the center of mass and the center of interaction leads to a description of spinning particles whose dynamics, when the center of interaction moves at light speed, yield Dirac's equation upon quantization.
This paper outlines Jackson's derivation of the inhomogeneous wave equations for auxiliary functions and in his 2002 AJP paper, clarifying their distinct roles in transforming the Lorenz-gauge vector potential to the Coulomb gauge by showing that results from subtracting from rather than being given directly by .
This paper demonstrates that combining the geometric Berry phase with non-Hermitian dissipation enables a fundamentally new amplification mechanism where slow parameter modulation converts a lossy oscillator system into one with gain, a phenomenon uniquely driven by the complex-valued Berry phase.
This paper contrasts classical and quantum models of particle-wall interactions within the canonical ensemble to elucidate how surface density correlations, though vanishing in the thermodynamic limit, refine the understanding of its attainment for an ideal gas.
This paper analyzes the dynamics of a classical Dirac particle interacting with an external electromagnetic field, demonstrating that the conservation of intrinsic mass and spin, combined with the distinction between the center of charge and center of mass, necessitates a radiation reaction force to account for energy differences between the work done on these two points.
This paper rigorously derives a variational action principle for classical initial value problems by taking the classical limit of the Schwinger-Keldysh formalism, revealing that both forward and backward paths possess classical solutions and fluctuations, with the backward path uniquely propagating backwards in time to naturally enforce zero deviation without manual constraint.
This paper resolves the apparent contradiction between the nonzero residual entropy of glasses and the third law of thermodynamics by redefining equilibrium states through atomic positions, demonstrating that residual entropy arises from evaluating the system on an extended space of frozen configurations while the entropy of the single thermally active configuration strictly vanishes at absolute zero.
This paper provides a theoretical description of the jump phenomenon in a general eccentric cylinder rolling on a ramp, demonstrating that while normal and frictional forces vanish at the jump point, a jump without slipping is possible only if specific dynamic parameters fall within a restricted region.
This paper presents a novel, simplified analytical framework for deriving accurate approximate formulas for energy decay in damped harmonic oscillators under Coulomb, Stokes, and Newton damping, while also offering an exact solution for Stokes damping that bypasses standard differential equation methods, making the approach suitable for undergraduate and advanced high school physics education.
This paper proposes and substantiates a conjecture that the infinite symmetries of integrable systems are linear combinations of translation symmetries associated with the free parameters of multi-wave solutions, suggesting that undiscovered symmetries exist and that a unified hierarchical framework for classical, supersymmetric, and ren-symmetric integrable systems can be established using ren-variables.