نتایج جستجو برای: induced dipole moment
تعداد نتایج: 1054424 فیلتر نتایج به سال:
in this paper, the interaction between an oscillating dipole moment and a silver nanoparticle has been studied. our calculations are based on mie scattering theory and discrete dipole approximation(dda) method.at first, the resonance frequency due to excitingthe localized surface plasmons has been obtained using mie scattering theory and then by exciting a dipole moment in theclose proximity of...
In this paper, the interaction between an oscillating dipole moment and a Silver nanoparticle has been studied. Our calculations are based on Mie scattering theory and discrete dipole approximation(DDA) method.At first, the resonance frequency due to excitingthe localized surface plasmons has been obtained using Mie scattering theory and then by exciting a dipole moment in theclose proximity of...
classical trajectory (monte carlo) calculation is used to calculate collision rate constants of ion-quadrupolar molecule interactions for the h¯+c2h2 system. the method presented here takes into account the effect of the induced dipole-induced dipole potential on ion-quadrupolar molecule collision rate constants. it is also assumed that the colliding particles have a definite size. the thermal ...
VI. REACTION MoMErcr AND ELECTRIc-CI~-.MICAL MECHANISM 1. Reaction Moments from Dielectric Data 2. Permanent and Induced Dipole Moments (a) Individual dipole moments (b) Total polarization (i) Induced moment (ii) Permanent moment (c) Form factors and g-factors 3. Reaction Moment and Equilibrium Constant (a) Non-polar polarizable spheres (b) Polar non-polarizable spheres (c) Polar polarizable sp...
the ultraviolet-visible (uv) spectra of toluene, ortho-bromo and para-bromo toluene in different solvents have been studied. the electric dipole moments and polarizabilities in the molecular excited electronic states were determined. it was found that the electric dipole moments for the excited states (µ*) and the ground states (µ) of these compounds are equal, and the change in dipole moment i...
enzymes catalyze many biological reactions. the rates of chemical reaction in the presence ofenzymes are, in some cases, accelerated more than 10 orders of magnitude relative to thecorresponding rates in solution.in this paper a comparison between optimized structures of two enzyme molecules in aspect ofenergy and dipole moment in different conditions including presence of metallic ion, without...
in this paper, electronic, structural, and spectroscopic properties of mono-, di-, tri-, andtetrafluorothiophenes and their radical cations are studied using the density functional theory andb3lyp method with 6-311++g** basis set. also the effects of the number and position of thesubstituent on the electrochemical properties of the thiophene ring have been studied usingoptimized structures obta...
We discuss the transition radiation of a neutrino induced by its toroid dipole moment (τ) when crossing the interface between two different media with different refraction indices. A neutrino of 1 MeV energy emits approximately 10−40 keV at τ = e √ 2GF /π 2. This effect depends very slightly on the neutrino mass and has a finite value in the massless limit.
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