搜索结果: 1-15 共查到“物理学 splitting”相关记录20条 . 查询时间(0.156 秒)
Academy of Mathematics and Systems Science, CAS Colloquia & Seminars：Improved error estimates of the splitting methods for the long-time dynamics for the weakly nonlinear Schrodinger equations
弱非线性薛定谔方程 长时间动力学 分裂方法 误差估计
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2023/4/21
We establish improved uniform error bounds for the time-splitting methods for the long-time dynamics of the nonlinear Schr\"odinger equation (NLSE) with weak nonlinearity. By a new technique of regula...
Academy of Mathematics and Systems Science, CAS Colloquia & Seminars：Splitting Numerical Schemes for Two-dimensional Maxwell-Debye Equations
二维 麦克斯韦-德拜方程组 拆分数值方案
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2023/4/27
In this talk, we are interested in designing some efficient numerical methods for Maxwell-Debye equations in metamaterials with negative refractive index. Dimensional splitting method is used to reduc...
Academy of Mathematics and Systems Science, CAS Colloquia & Seminars：An overlapping domain decomposition splitting algorithm for stochastic NLS equation
随机NLS方程 重叠域 分解拆分 非线性薛定谔方程
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2023/4/24
In this talk, we will introduce a novel overlapping domain decomposition splitting algorithm based on a Crank--Nisolson method is developed for the stochastic NLS equation driven by a multiplicative n...
Weak measurements of a large spin-dependent angular splitting of light beam on reflection at Brewster angle
Weak measurements light beam reflection Brewster angle Optics
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2012/5/31
We reveal a large spin-dependent angular splitting of light beam on reflection at Brewster angle both theoretically and experimentally. A simple weak measurements system manifesting itself for the bui...
A time-splitting spectral scheme for the Maxwell-Dirac system
Maxwell-Dirac system time-splitting spectral method semi-classical asymptotics WKB-expansion
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2012/5/24
We present a time-splitting spectral scheme for the Maxwell-Dirac system and similar time-splitting methods for the corresponding asymptotic problems in the semi-classical and the non-relativistic reg...
Simple Formulas for CalculatingWave Propagation and Splitting in Anisotropic Media
polarization anisotropic media biaxial media compensation films ray tracing
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2011/11/29
A general method for dealing with the propagation of waves in homogeneous anisotropic media is presented. The formulas were derived and applied to determine the reflected and transmitted waves resulti...
Minimal Diffeomorphisms cannot satisfy Generalized Dominated Splitting
Dominated splitting Minimal system Invariant and ergodic measure Recurrence
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2011/7/28
Abstract: We introduce a new notion called generalized dominated splitting which is weaker than classical dominated splitting. We use this notion to generalize a result of Zhang\cite{Zh}: every diffeo...
Possible splitting of deconfinement and chiral transitions in strong magnetic fields in QCD
chiral transitions strong magnetic fields in QCD
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2010/12/27
We show that finite-temperature deconfinement and chiral transitions can split in a strong enough magnetic field. The splitting in critical temperatures of these transitions in a constant magnetic fie...
Possible splitting of deconfinement and chiral transitions in strong magnetic fields in QCD
Possible splitting of deconfinement chiral transitions
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2011/1/7
We show that finite-temperature deconfinement and chiral transitions can split in a strong enough magnetic field. The splitting in critical temperatures of these transitions in a constant magnetic fie...
Renormalization of the tunnel splitting in a rotating nanomagnet
Renormalization of the tunnel rotating nanomagnet
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2010/11/22
We study spin tunneling in a magnetic nanoparticle with biaxial anisotropy that is free to rotate about its anisotropy axis. Exact instanton of the coupled equations of motion is found that connects d...
Level crossings and zero-field splitting in the \{Cr$_8$\}-cubane spin-cluster by inelastic neutron scattering and magnetization studies
Level crossings zero-field splitting inelastic neutron scattering magnetization studies
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2010/11/17
Inelastic neutron scattering in variable magnetic field and high-field magnetization measurements,at the milikelvin temperature range, were performed to gain insight into the low-energy magnetic excit...
Possible splitting of deconfinement and chiral transitions in strong magnetic fields in QCD
Possible splitting of deconfinement chiral transitions strong magnetic fields
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2011/1/14
We show that finite-temperature deconfinement and chiral transitions can split in a strong enough magnetic field. The splitting in critical temperatures of these transitions in a constant magnetic fie...
Positronium Hyperfine Splitting
Positronium Hyperfine Splitting
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2011/1/6
Positronium is an ideal system for the research of QED in the bound state. The hyperfine splitting of positronium (Ps-HFS: about 203 GHz)is a good tool to test QED and also sensitive to new physics be...
Demonstration of mode splitting in an optical microcavity in aqueous environment
optical microcavity aqueous environment
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2010/11/16
Scatterer induced modal coupling and the consequent mode splitting in a whispering gallery mode resonator is demonstrated in aqueous environment. The rate of change in splitting as particles enter th...
Measurement of Positronium hyperfine splitting with quantum oscillation
QED positronium quantum oscillation
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2010/3/16
Interference between different energy eigenstates in a quantum system results in an observable oscillation with a frequency which is proportional to the difference in energy between the states. Such a...