نتایج جستجو برای: rayleigh scattering
تعداد نتایج: 127770 فیلتر نتایج به سال:
We consider an electron bound by some anharmonic external potential and coupled to the quantized radiation eld in the dipole approximation. We prove asymptotic completeness for the photon scattering. This means that an arbitrary initial state has a long time asymptotic, which consists of electron plus radiation eld in their coupled ground state and nitely many outgoing photons.
Solutions of LiCl and of NaCl in ultrapure water were studied through Rayleigh/Brillouin scattering as a function of the concentration (molarity, M) of dissolved salt from 0.2 M to extremely low concentration (2 × 10(-17) M). The Landau-Placzek ratio, R/B, of the Rayleigh scattering intensity over the total Brillouin was measured thanks to the dynamically controlled stability of the used Fabry-...
2014 Both the polarized and depolarized spectra of Rayleigh scattering from pivalic acid have been measured with high precision. The relaxation time for molecular reorientation and the energy of activation are deduced directly from these measurements for both the liquid and plastic phases of the crystal. REVUE DE PHYSIQUE APPLIQUÉE TOME 9, MARS 1974, PAGE Classification Physics Abstracts 8.810
The Rayleigh conjecture about convergence up to the boundary of the series representing the scattered field in the exterior of an obstacle D is widely used by engineers in applications. However this conjecture is false for some obstacles. AGR introduced the Modified Rayleigh Conjecture (MRC), which is an exact mathematical result. In this paper we review the theoretical basis for the MRC method...
Coherent Rayleigh-Brillouin scattering is a four-wave mixing technique that provides information on various physical properties of the scattering medium in the spectral domain. Being based on density gratings generated by dipole forces, the method requires two pump beams of sufficient spectral width to span the full response bandwidth of the scattering medium. We provide experimental data on th...
in the present work, a simple and sensitive method was developed for determination of morphine and heroin using gold nanoparticles as resonance rayleigh scattering (rrs) and colorimetric technique’s probe. synthesized gold nanoparticles by sodium citrate reduction method have a negative charge layer on their surfaces because of self-assembled citrate anions on their surface. binding of morphin...
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