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Dispersive Media

Truncation Effect on Precursor Field Structure of Pulse Propagation in Dispersive Media

Truncation Effect on Precursor Field Structure of Pulse Propagation in Dispersive Media

... in dispersive Lorentz media was initially analyzed by Sommerfeld [1] and Brillouin [2, 3] in 1914 using the asymptotic method of steepest ...Lorentz media, its dynamics settle into two parts: the ...

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Comprehensive RCS Simulation of Dispersive Media Using SO-FDTD-DPW Method

Comprehensive RCS Simulation of Dispersive Media Using SO-FDTD-DPW Method

... electrons in the plasma layer. This code is written in MATLAB and runs on a PC Intel i5, taking 9 hours for a single case. SF-FDTD PML is a straight forward method to implement such simulations and enables us to control ...

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Analysis of 3-Dimensional Electromagnetic Fields in Dispersive Media Using CUDA

Analysis of 3-Dimensional Electromagnetic Fields in Dispersive Media Using CUDA

... We presented a CUDA-based FDTD analysis of 3-dimensional Maxwell’s equations in dispersive media on an NVIDIA 9800GT GPU card. The accuracy of our implementation was illustrated by calculating the ...

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Analytical theory of Hawking radiation in dispersive media

Analytical theory of Hawking radiation in dispersive media

... thought to be preserved and to agree with Hawking’s result in the low-frequency and low- temperature limit [17–29], although evidence from approximations [24], analytical theory for a specific case [26] and numerical ...

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Analysis of stability and dispersion in a finite element method for Debye and Lorentz dispersive media

Analysis of stability and dispersion in a finite element method for Debye and Lorentz dispersive media

... There are several FDTD extensions that have been developed to model electromagnetic pulse propagation in dispersive media. One technique is to add to Maxwell’s equations a set of ODE’s that relate the ...

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Modeling of Optical Pulse Propagation in Kerr and Raman Nonlinear Dispersive Media Using JE-TLM Method

Modeling of Optical Pulse Propagation in Kerr and Raman Nonlinear Dispersive Media Using JE-TLM Method

... optical media leads to the appearance of a number of nonlinear optical effects, and the most important ones are related to the third-order susceptibility χ (3) , including the Kerr effect and Raman effect ...

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Hawking radiation in dispersive media

Hawking radiation in dispersive media

... Hawking radiation, despite its presence in theoretical physics for over thirty years, re- mains elusive and undetected. It also suffers, in its original context of gravitational black holes, from conceptual difficulties. ...

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Perfectly matched layers in negative index metamaterials and plasmas*

Perfectly matched layers in negative index metamaterials and plasmas*

... non-dispersive media (construction and necessary condition of ...of dispersive models and for more general PMLs than the classical ...two dispersive models: negative index metamaterials and ...

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On the local well posedness of a Benjamin Ono Boussinesq system

On the local well posedness of a Benjamin Ono Boussinesq system

... , Boussinesq equations and other systems for small-amplitude long waves in nonlinear dispersive media.. Gallo, Korteweg-de Vries and Benjamin-Ono equations on Zhidkov spaces, Adv.[r] ...

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Towards the Detection of Multiple Reflections in Time-Domain EM Inverse Scattering of Multi-Layered Media

Towards the Detection of Multiple Reflections in Time-Domain EM Inverse Scattering of Multi-Layered Media

... non-dispersive media, and accurate time delay estimation (TDE) of backscattered signals, the method allows without any a- priori knowledge of the scenario not only to evaluate the presence of multiples and ...

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High-Order FDTD with Exponential Time Differencing Algorithm for Modeling Wave Propagation in Debye Dispersive Materials

High-Order FDTD with Exponential Time Differencing Algorithm for Modeling Wave Propagation in Debye Dispersive Materials

... displacement vector and auxiliary difference variable in time domain, and the fourth-order central- difference discretization is used in space domain. One example with plane wave propagation in Debye dispersive ...

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The L1 stability of strong solutions to a generalized BBM equation

The L1 stability of strong solutions to a generalized BBM equation

... long dispersive waves ...nonlinear dispersive media, the BBM equa- tion, like the KdV equation, was formally derived to describe an approximation for surface water waves in a uniform ...

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Effective electrodynamics theory for the hyperbolic metamaterial consisting of metal-dielectric layers

Effective electrodynamics theory for the hyperbolic metamaterial consisting of metal-dielectric layers

... inherently dispersive, absorptive, and ...concerning dispersive media is how to calculate the stored electromagnetic energy density ...For dispersive media with negligible absorption, ...

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An ADE
-TLM Modeling of Biological Tissues with Cole-Cole Dispersion Model

An ADE -TLM Modeling of Biological Tissues with Cole-Cole Dispersion Model

... The use of an ADE algorithm in TLM method has been proven efficient for dispersive media [12]. To the best of our knowledge, this technique has not been used before to solve the fractional derivative problem ...

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2-Dimensional Spread-Dispersion Rate Predictive Models For Oil Spills In Atlas Cove Jetty Water Environment

2-Dimensional Spread-Dispersion Rate Predictive Models For Oil Spills In Atlas Cove Jetty Water Environment

... 1991). Dispersive spreading is the utmost eminent initial weathering process observed practically once product spills are discharged into ...The dispersive – spreading phenomena are a function of product ...

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Characterization of Dispersive Soils

Characterization of Dispersive Soils

... mate the extent of dispersiveness so that the damage po- tential can be estimated. At present, dispersivity is ob- tained from pin hole test, double hydrometer test, crumb test etc. Though pin hole test is considered to ...

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Dispersive liquid-liquid microextraction methods for the determination of Triazine herbicides in aqueous samples

Dispersive liquid-liquid microextraction methods for the determination of Triazine herbicides in aqueous samples

... developed dispersive liquid-liquid microextraction method (DLLME) as a novel and new liquid phase microextraction ...namely dispersive liquid-liquid microextraction based on solidification of floating ...

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MgO-ZnO/carbon nanofiber nanocomposite as an adsorbent for ultrasound-assisted dispersive solid-phase microextraction of carbamazepine from wastewater prior to high-performance liquid chromatographic detection

MgO-ZnO/carbon nanofiber nanocomposite as an adsorbent for ultrasound-assisted dispersive solid-phase microextraction of carbamazepine from wastewater prior to high-performance liquid chromatographic detection

... ultrasound-assisted dispersive solid-phase microextraction (UA-DSPME) method was developed for the preconcentration of carbamazepine (CBZ) in wastewater prior to high-performance liquid chromatography coupled with ...

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Dispersive Study on Tsunami Propagation of The Indian Ocean Tsunami, 26 December 2004

Dispersive Study on Tsunami Propagation of The Indian Ocean Tsunami, 26 December 2004

... of dispersive terms in the WNB model equations, fourth-order accuracy of numerical scheme for time stepping and first- order spatial derivatives are used ...

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Voids in the Hall Effect; Excitons in HiTc

Voids in the Hall Effect; Excitons in HiTc

... Keywords High Temperature Superconductors, Hall Effect, Exciton, Holes, Energy Bands, Dispersive Dynamics, Dispersive Second Derivative, Negative Mass, Antiparticle Dynamics.. Introducti[r] ...

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