搜索结果: 91-105 共查到“理学 interaction”相关记录501条 . 查询时间(0.04 秒)
Comment on "Interaction of two solitary waves in quantum electron-positron-ion plasma" [Phys. Plasmas \textbf{18}, 052301 (2011)]
two solitary waves quantum electron-positron-ion plasma
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2011/8/4
Abstract: Recently, Yan-Xia Xu, et al. in the article Ref. [Phys. Plasmas \textbf{18}, 052301 (2011)] have studied the effects of various plasma parameters on interaction of two ion-acoustic solitary ...
An Invariance Principle for the Tagged Particle Process in Continuum with Singular Interaction Potential
Diffusion processes interacting continuous particle systems random environment invariance principles
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2011/9/1
Abstract: We consider the dynamics of a tagged particle in an infinite particle environment moving according to a stochastic gradient dynamics. For singular interaction potentials this tagged particle...
Spectral Singularities of a General Point Interaction
Complex potential spectral singularity point interaction PT -symmetry
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2011/8/31
Abstract: We study the problem of locating spectral singularities of a general complex point interaction with a support at a single point. We also determine the bound states, examine the special cases...
The Interaction of Cosmic Rays with Diffuse Clouds
Interaction Cosmic Rays Diffuse Clouds
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2011/9/29
We study the change in cosmic-ray pressure, the change in cosmic-ray density, and the level of cosmic-ray induced heating via Alfven-wave damping when cosmic rays move from a hot ionized plasma to a c...
Dense monoenergetic proton beams from chirped laser-plasma interaction
monoenergetic proton beams laser-plasma interaction Plasma Physics
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2011/8/3
Abstract: Interaction of a frequency-chirped laser pulse with single protons and a hydrogen plasma cell is studied analytically and by means of particle-in-cell simulations, respectively. Feasibility ...
On the Production of Dissipation by Interaction of Forced Oscillating Waves in Fluid Dynamics
Equations of mixed hyperbolic and parabolic type oscillations BKW Calculus stability
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2011/8/25
Abstract: In the context of some bidimensionnal Navier-Stokes model, we exhibit a family of exact oscillating solutions $\{u_{\epsilon}\}_{\epsilon}$ defined on some strip $[0,T]\times\R^2$ which does...
The Stellar Archeology of the M33 Disk: Recent Star-Forming History and Constraints on the Timing of an Interaction with M31
galaxies evolution — galaxies spiral — galaxies
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2011/8/24
Images recorded with MegaCam are used to investigate the recent star-forming history (SFH) of the Local Group Sc galaxy M33. The properties of the stellar disk change near R = 8 kpc. Within this radiu...
Relationship between electron density and effective densities of body tissues for stopping, scattering and nuclear interaction of proton and ion beams
electron density body tissues proton and ion beams
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2011/9/9
In treatment planning of charged-particle radiotherapy, patient heterogeneity is normally modeled as variable-density water to best reproduce the stopping power. This water-based model would cause sub...
A Note on a Particle-Antiparticle Interaction
Particle-Antiparticle Interaction
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2011/9/9
We develop an iso spin like formulation with particles and their anti particle counterparts. This leads to a new shortlived interaction between them, valid at very high energies and mediated by massiv...
Interaction-induced stabilization of circular Rydberg atoms
Interaction-induced stabilization circular Rydberg atoms
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2011/9/9
We discuss a candidate solution for the controlled trapping and manipulation of two individual Rydberg atoms by means of a magnetic Io e-Pritchard trap that is superimposed by a constant electric eld...
On the interaction of the ultrashort laser pulses with human brain matter
Modified Schr鰀inger Equation, Planck particles, neurons
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2011/9/7
In this paper the modified Schrodinger equation for attosecond laser pulses interaction with 揳toms?of human brain . i.e. neurons is developed and solved. Considering that the mass of the human ...
Interaction enhanced imaging of individual atoms embedded in dense atomic gases
imaging atoms embedded dense atomic gases
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2011/9/6
We propose a new all-optical method to image individual atoms within dense atomic gases. The scheme exploits interaction induced shifts on highly polarizable excited states, which can be spatially res...
Inter-electronic interaction effects on the polarization of recombination photons
Inter–electronic recombination photons
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2011/9/6
A theoretical investigation of the radiative capture of an electron into a bound state of heavy,hydrogen–like ion is presented. Special attention is paid to the question of how the linear polarization...
High-quality proton bunch from laser interaction with a gas-filled cone target
proton bunch laser interaction gas-filled cone target
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2011/9/2
Generation of high-energy proton bunch from interaction of an intense short circularly polarized(CP) laser pulse with a gas-filled cone target(GCT) is investigated using two-dimensional particle-in-ce...
The Interaction of High-Speed Turbulence with Flames: Turbulent Flame Speed
Turbulent premixed combustion, Turbulence, Flamelet, Turbulent flame speed, Hydrogen-air combustion
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2011/9/14
Direct numerical simulations of the interaction of a premixed flame with driven, subsonic, homogeneous, isotropic,Kolmogorov-type turbulence in an unconfined system are used to study the mechanisms de...