搜索结果: 61-75 共查到“理学 particles”相关记录475条 . 查询时间(0.048 秒)
Dressed test particles, oscillation centres and pseudo-orbits
oscillation centres pseudo-orbits Plasma Physics
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2011/10/9
Abstract: A general semi-analytical method for accurate and efficient numerical calculation of the dielectrically screened ("dressed") potential around a non-relativistic test particle moving in an is...
Cascades of Particles Moving at Finite Velocity in Hyperbolic Spaces
Branching processes difference-differential equations hyperbolic Brownian motion hyperbolic trigonometry
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2011/9/20
Abstract: A branching process of particles moving at finite velocity over the geodesic lines of the hyperbolic space (Poincar\'e half-plane and Poincar\'e disk) is examined. Each particle can split in...
Ultra High Energy Particles
High Energy Particles temporal order Heisenberg's Uncertainty Principle Quantum Mechanical equations
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2011/8/11
Abstract: We revisit considerations of temporal order in relativistic effects, taking into account Heisenberg's Uncertainty Principle. We then use a formulation of relativistic Quantum Mechanical equa...
Towards thermodynamics of the quark quasi-particles
Towards thermodynamics quark quasi-particles
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2011/7/21
Some features of hot and dense gas of quarks which are considered as the quasi-particles of the model Hamiltonian with four-fermion interaction are studied.
Plasma damping effects on the radiative energy loss of relativistic particles
Landau-Pomeranchuk-Migdal effect Ter-Mikaelian effect radiative energy loss
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2011/7/21
The energy loss of a relativistic charge undergoing multiple scatterings while traversing an infinite, polarizable and absorptive plasma is investigated.
Acceleration of particles by rotating black holes: near-horizon geometry and kinematics
Acceleration particles rotating black holes: near-horizon geometry kinematics
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2011/10/14
Nowadays, the effect of infinite energy in the centre of mass frame due to near-horizon collisions attracts much attention.We show generality of the effect combining two seemingly completely different...
Excitation of the aromatic infrared emission bands: Chemical energy in hydrogenated amorphous carbon particles?
Excitation aromatic infrared emission bands: Chemical energy
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2011/10/11
We outline a model for the heating of hydrogenated amorphous (HAC) dust via the release of stored chemical energy and show that this energy (~12 kJ/mole) is sufficient to heat dust grains of classical...
Particles approximations of Vlasov equations with singular forces : Part. 2
Derivation of kinetic equations Particle methods Vlasov equation Propagation of chaos
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2011/9/15
Abstract: We prove propagation of chaos for a system of particles interacting with a singular interaction force of the type $1/|x|^\alpha$, with $\alpha <1$ in dimension $d \geq 3$. We also recover th...
Modeling Flocks and Prices: Jumping Particles with an Attractive Interaction
Competing particles center of mass mean field evolution traveling wave fluid limit extreme value statistics
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2011/9/13
Abstract: We introduce and investigate a new model of a finite number of particles jumping forward on the real line. The jump lengths are independent of everything, but the jump rate of each particle ...
Adiabatic nonlinear waves with trapped particles: Part II. Wave dispersion
adiabatic nonlinear waves trapped particles Wave dispersion
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2011/10/8
Abstract: A general nonlinear dispersion relation is derived in a nondifferential form for a quasistationary sinusoidal Langmuir wave in collisionless plasma, allowing for an arbitrary distribution of...
Adiabatic nonlinear waves with trapped particles: Part I. General formalism
adiabatic nonlinear waves General formalism trapped particles Plasma Physics
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2011/10/8
Abstract: A Lagrangian formalism is developed for a general nondissipative quasiperiodic nonlinear wave with trapped particles in collisionless plasma. The adiabatic time-averaged Lagrangian density L...
Granular packings of cohesive elongated particles
Granular matter Molecular Dynamics nonspherical particles Quicksand Collapsible soil
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2011/8/17
Abstract: We report numerical results of effective attractive forces on the packing properties of two-dimensional elongated grains. In deposits of non-cohesive rods in 2D, the topology of the packing ...
Adiabatic nonlinear waves with trapped particles: Part I. General formalism
Adiabatic nonlinear waves trapped particles General formalism
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2011/8/4
Abstract: A Lagrangian formalism is developed for a general nondissipative quasiperiodic nonlinear wave with trapped particles in collisionless plasma. The adiabatic time-averaged Lagrangian density L...
Adiabatic nonlinear waves with trapped particles: Part II. Wave dispersion
Adiabatic nonlinear waves trapped particles Wave dispersion
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2011/8/4
Abstract: A general nonlinear dispersion relation is derived in a nondifferential form for a quasistationary sinusoidal Langmuir wave in collisionless plasma, allowing for an arbitrary distribution of...
Adiabatic nonlinear waves with trapped particles: Part III. Wave dynamics
Adiabatic nonlinear waves trapped particles Wave dynamics
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2011/8/4
Abstract: The evolution of waves with trapped particles is described within the Lagrangian model developed in Paper I. One-dimensional nonlinear Langmuir waves with deeply trapped electrons are addres...