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Academy of Mathematics and Systems Science, CAS Colloquia & Seminars：Dispersion Analysis of CIP–FEM for Helmholtz Equation
亥姆霍兹方程 CIP-FEM 色散分析
2023/4/24
When solving the Helmholtz equation numerically, the accuracy of numerical solution deteriorates as the wave number k increases, known as `pollution effect' which is directly related to the phase diff...
Physical vs. numerical dispersion in nonhydrostatic ocean modeling
Dispersion Nonhydrostatic effects Internal waves Ocean modeling Grid resolution requirements Leptic ratio Lepticity
2015/6/30
Many large-scale simulations of internal waves are computed with ocean models solving the primitive (hydrostatic) equations. Under certain circumstances, however, internal waves can represent a dynami...
DISPERSION-RELATIONS AND THE NUCLEON POLARIZABILITY
Protons and neutrons polarizability dispersion relations meson polarizability
2014/12/23
Recent experimental results on the proton and neutron polarizabilities are examined from the point of view of backward dispersion relations. Results are found to be in reasonable agreement with the me...
On the Marriage of Chiral Perturbation Theory and Dispersion Relations
Dispersion relations chiral perturbation theory gw PI
2014/12/23
I describe the methodology for the use of dispersion relations in connection with chiral perturbation theory. The conditions for matching the two formalisms are given at $O(E^2)$ and $O(E^4)$. The two...
The techniques of dispersion relations match very well with those of effective field theory. I describe the techniques for using dispersion relations effectively, and give some pedagogical examples to...
Ponderomotive forces and wave dispersion: two sides of the same coin
Ponderomotive wave dispersion coin Quantum Physics
2011/8/4
Abstract: Presented here is a general view on adiabatic and resonant wave-particle interactions leading to a uniform description of nonlinear ponderomotive effects in very different environments, from...
Comparison of the hydrodynamic and Dirac models of the dispersion interaction between graphene and H, He${}^{\ast}$, or Na atoms
Comparison the hydrodynamic Dirac models the dispersion interaction between graphene
2010/10/29
The van der Waals and Casimir-Polder interaction of different atoms with graphene is investigated using the Dirac model which assumes that the energy of quasiparticles is linear with respect to the mo...
New Similarity Reductions and Compacton Solutions for
Boussinesq-Like Equations with Fully Nonlinear Dispersion
nonlinear evolution equation B(m n) equations
similarity reduction solitary wave solution compacton solution
2007/8/15
2001Vol.36No.4pp.385-390DOI:
New Similarity Reductions and Compacton Solutions for
Boussinesq-Like Equations with Fully Nonlinear Dispersion
YAN Zhen-Ya
Department of Ap...
Self-Steepening and Third-Order Dispersion Induced
Optical Solitons in Fiber
self-steepening and third-order dispersion optic soliton communication bright and dark solitons
2007/8/15
2001Vol.35No.5pp.589-592DOI:
Self-Steepening and Third-Order Dispersion Induced
Optical Solitons in Fiber
LOU Sen-Yue
Department of Applied Physics, Shanghai Jiao Tong U...
Dispersion Energy in a Molecule Composed of Two Anisotropic Vibrating Dipoles
invariant eigen-operator dispersion energy anisotropic vibrating dipoles
2007/8/15
2006Vol.46No.2pp.209-212DOI:
Dispersion Energy in a Molecule Composed of Two Anisotropic Vibrating Dipoles
FAN Hong-Yi1,2 and TANG Xu-Bing1
1 Department of Material Scie...
Nonlinear Absorption and Dispersion Response in Optically Dense
Media Driven by a Single-Mode Laser
absorption spectra dispersion spectra near dipole-dipole interactions
2007/8/15
2006Vol.46No.1pp.130-134DOI:
Nonlinear Absorption and Dispersion Response in Optically Dense
Media Driven by a Single-Mode Laser
LI Jia-Hua, LIU Ji-Bing, XIE Xiao-Tao, and LUO Jin...
New Symmetry Reductions, Dromions-Like and Compacton Solutions for a 2D
BS(m, n) Equations Hierarchy with Fully Nonlinear Dispersion
BS(m n) equations PBS(m n) equation symmetry reduction solitary wave solution dromion solution compacton solution
2007/8/15
2002Vol.37No.3pp.269-276DOI:
New Symmetry Reductions, Dromions-Like and Compacton Solutions for a 2D
BS(m, n) Equations Hierarchy with Fully Nonlinear Dispersion
YAN Zhen-Ya
...
Pattern Structure of Deterministic Displacement in Random PorousMedia with Dispersion Effect
random porous media dispersion effect pattern structure
2007/8/15
2002Vol.37No.1pp.91-95DOI:
Pattern Structure of Deterministic Displacement in Random PorousMedia with Dispersion Effect
TIAN Ju-Ping1 and YAO Kai-Lun2,3
1 Department of ...
Absorption-Dispersion Properties in a Four-Level Atomic System
with Vacuum-Induced Coherence
vacuum-induced coherence probe absorption frequency dispersion
2007/8/15
2005Vol.44No.1pp.146-150DOI:
Absorption-Dispersion Properties in a Four-Level Atomic System
with Vacuum-Induced Coherence
WEI Hua,1 LI Jia-Hua,1 ZHAN Zhi-Ming,2 and PENG Ju-Cun3
...
A Global Investigation About Hard Core Attractive Yukawa Approximation and
Adhesive Hard Sphere Approximation for Structure of Colloidal Dispersion Systems
colloidal dispersion structure factor
2007/8/15
2005Vol.43No.3pp.567-576DOI:
A Global Investigation About Hard Core Attractive Yukawa Approximation and
Adhesive Hard Sphere Approximation for Structure of Colloidal Dispersion Systems
...