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We investigate the dynamical behavior of rings around bodies whose shapes depart considerably from that of a sphere. To this end, we have developed a new self-gravitating discrete element N-body code, and employed a local simulation method…

地球与行星天体物理 · 物理学 2017-10-24 Akash Gupta , Sharvari Nadkarni-Ghosh , Ishan Sharma

We present a new framework to explain the link between cooling and fragmentation in gravitationally unstable protostellar discs. This framework consists of a simple model for the formation of spiral arms, as well as a criterion, based on…

地球与行星天体物理 · 物理学 2015-06-03 Patrick D. Rogers , James Wadsley

The universal dynamic uncertainty, discovered in Parts I and II of this series of papers for the case of Hamiltonian quantum systems, is further specified to reveal the hierarchical structure of levels of dynamically redundant…

量子物理 · 物理学 2008-02-03 Andrei P. Kirilyuk

The logical line is traced of formulation of theory of mechanics founded on the basic correlations of mathematics of hypercomplex numbers and associated geometric images. Namely, it is shown that the physical equations of quantum, classical…

综合物理 · 物理学 2016-05-10 Alexander P. Yefremov

The Standard Model of Fundamental Interactions (SM) represents one of the most precise theories in physics. Among the predictions of the SM we find, for instance, the anomalous magnetic moment of the electron $a_e = 0.001159652181643(764)$.…

高能物理 - 唯象学 · 物理学 2021-04-29 Miguel G. Folgado

This report provides a brief review of recently developed extended framework for fundamental physics, designated as Quantum Field Mechanics and including causally complete and intrinsically unified theory of explicitly emerging elementary…

综合物理 · 物理学 2007-05-23 Andrei P. Kirilyuk

In this paper we consider dynamical behavior of astrophysical objects (galaxies and dwarf galaxies) taking into account both gravitational attraction between them and cosmological expansion of the Universe. First, we obtain the general…

宇宙学与河外天体物理 · 物理学 2013-04-05 Maxim Eingorn , Alexandra Kudinova , Alexander Zhuk

The brittle fragmentation of spheres is studied numerically by a 3D Discrete Element Model. Large scale computer simulations are performed with models that consist of agglomerates of many spherical particles, interconnected by beam-truss…

材料科学 · 物理学 2015-09-04 Falk K. Wittel , Humberto A. Carmona , Ferenc Kun , Hans J. Herrmann

New experimental and theoretical results obtained in 2021 made it acutely clear that more than 80 years after the discovery of nuclear fission we do not understand the generation and dynamics of fission fragment (FF) intrinsic spins well,…

Two-point correlation function of galaxy distribution shows that the structure in the present Universe is scale-free up to a certain scale (at least several tens Mpc), which suggests that a fractal structure may exist. If small primordial…

天体物理学 · 物理学 2009-10-31 Takayuki Tatekawa , Kei-ichi Maeda

Objects transiting near or within the disruption radius of both main sequence (e.g. KOI 1843) and white dwarf (WD 1145+017) stars are now known. Upon fragmentation or disintegration, these planets or asteroids may produce co-orbital…

地球与行星天体物理 · 物理学 2016-06-15 Dimitri Veras , Thomas R. Marsh , Boris T. Gaensicke

Assuming a fractal distribution of matter in the universe, consequences that follow from the General Theory of Relativity and the Copernican Principle for fractal cosmology are examined. The change in perspective necessary to deal with a…

天体物理学 · 物理学 2007-05-23 A. K. Mittal , Daksh Lohiya

It is shown by the author that if gravitons are super-strong interacting particles and the low-temperature graviton background exists, the basic cosmological conjecture about the Dopplerian nature of redshifts may be false. In this case, a…

高能物理 - 理论 · 物理学 2007-05-23 Michael A. Ivanov

The model of the universe is considered in which background of the universe is not defined by the matter but is a priori specified as a homogenous and isotropic flat space. The scale factor of the universe follows the linear law. The scale…

天体物理学 · 物理学 2007-05-23 D. L. Khokhlov

The distribution of stars in the Milky Way disc shows a spiral structure--the Snail--in the space of velocity and position normal to the Galactic mid-plane. The Snail appears as straight lines in the vertical frequency--vertical phase plane…

星系天体物理 · 物理学 2023-04-05 Neige Frankel , Jo Bovy , Scott Tremaine , David W. Hogg

We develop an effective model to describe the dynamics of a system of particle moving in circular configurations around a central mass, by considering the continuum limit of the angular distribution, to obtain the stable configurations for…

地球与行星天体物理 · 物理学 2025-11-24 Jeremías Ruta , Nicolás Grandi , Tobías Canavesi

Universe structure emerges in the unreduced, complex-dynamic interaction process with the simplest initial configuration (two attracting homogeneous fields, quant-ph/9902015). The unreduced interaction analysis gives intrinsically creative…

综合物理 · 物理学 2007-05-23 Andrei P. Kirilyuk

Dynamical friction can be a valuable tool for inferring dark matter properties that are difficult to constrain by other methods. Most applications of dynamical friction calculations are concerned with the long-term angular momentum loss and…

Within the dark matter paradigm, explaining observed orbital dynamics at galactic level through the inclusion of a dominant dark halo, implies also the necessary appearance of dynamical friction effects. Satellite galaxies, globular…

星系天体物理 · 物理学 2019-02-28 X. Hernandez

The new, complex-dynamical mechanism of the universal gravitation naturally incorporating dynamical quantization, wave-particle duality, and relativity of physically emerging space and time (quant-ph/9902015,16) provides the realistic…

广义相对论与量子宇宙学 · 物理学 2007-05-23 Andrei P. Kirilyuk