搜索结果: 1-15 共查到“物理学 the mean”相关记录47条 . 查询时间(0.076 秒)
Academy of Mathematics and Systems Science, CAS Colloquia & Seminars:Random phase approximation for the mean-field electron gas (3)
平均场 电子气 随机相位近似
2023/11/29
Incorporating Dynamic Mean-Field Theory into Diagrammatic Monte Carlo
Diagram to monte carlo illustration skeleton diagram lattice model the propagators single particle
2014/12/19
The bold diagrammatic Monte Carlo (BDMC) method performs an unbiased sampling of Feyn- man's diagrammatic series using skeleton diagrams. For lattice models the eciency of BDMC can be dramatically im...
改进的mean shift目标跟踪算法
目标跟踪 均值偏移 模板更新 抗遮挡
2013/11/19
提出一种改进的均值偏移(mean shift, MS)目标跟踪算法,用于提高模板漂移和大面积遮挡情况下视觉目标跟踪算法的鲁棒性和准确性。首先判断目标是否存在遮挡现象,当遮挡未发生时,采用原始MS算法跟踪目标,利用选择性分量更新策略对目标模板进行更新,减少模板漂移的影响|当遮挡发生后,利用非对称核函数模型对候选目标模型进行矫正,降低遮挡像素点对MS矢量和目标跟踪稳定性的影响。实验结果表明,改进的跟踪...
Asymptotics of the mean-field Heisenberg model
Asymptotics the mean-field Heisenberg model Mathematical Physics
2012/4/16
We consider the mean-field classical Heisenberg model and obtain detailed information about the magnetization by studying the model on a complete graph and sending the number of vertices to infinity. ...
Study of the neutron skin thickness of ${}^{208}$Pb in mean field models
mean field models
2011/7/20
We study whether the neutron skin thickness $\Delta r_{np}$ of ${}^{208}$Pb originates from the bulk or from the surface of the neutron and proton density distributions in mean field models.
Static and Dynamic Chain Structures in the Mean-Field Theory
Mean-Field Theory Static and Dynamic Chain Structures
2011/7/20
We give a brief overview of recent work examining the presence of $\alpha$-clusters in light nuclei within the Skyrme-force Hartree-Fock model. Of special significance are investigations into $\alpha$...
Stochastic treatment of finite-N effects in mean-field systems and its application to the lifetimes of coherent structures
Stochastic treatment finite-N effects mean-field systems lifetimes of coherent structures
2011/8/29
Abstract: A stochastic treatment yielding to the derivation of a general Fokker-Planck equation is presented to model the slow convergence towards equilibrium of mean-field systems due to finite-N eff...
Non-perturbative heterogeneous mean-field approach to epidemic spreading in complex networks
Non-perturbative heterogeneous mean-field approach epidemic spreading complex networks
2011/9/9
Since roughly a decade ago, network science has focussed among others on the problem of how the spreading of diseases depends on structural patterns. Here, we contribute to further advance our underst...
Return probability for the loop-erased random walk and mean height in sandpile : a proof
Return probability the loop-erased random walk mean height Statistical Mechanics
2011/7/28
Return probability for the loop-erased random walk and mean height in sandpile : a proof.
Unified mean-field approach to voter-like models on networks
Complex networks -Ordering dynamics -Voter models-Mean-field theory
2011/9/5
We propose a generalized framework for the study of voter models in complex networks at the the heterogeneous mean-field (HMF) level that (i) yields a unified picture for existing copy/invasion proces...
On mean field solutions of kinetic exchange opinion models
kinetic exchange opinion models The dynamics
2011/8/26
A solution for the discretised version of some recently proposed kinetic exchange opinion dynamics models with two-agent interactions (Lallouache et. al.,Phys. Rev E 82, 056112 (2010)) is provided.A g...
Transport and Spectra in the Half-filled Hubbard Model: A Dynamical Mean Field Study
Hubbard model dynamical mean field theory iterated per-turbation theory optical conductivity hysteresis
2010/11/24
We study the issues of scaling and universality in spectral and trans-port properties of the infinite dimensional particle–hole symmetric (half–filled) Hubbard model within dynamical mean field theory...
Saturation and Scaling of Multiplicity, Mean p_T and p_T Distributions from 200 GeV < sqrt{s} < 7 TeV - Addendum
Saturation and Scaling of Multiplicity Mean p_T and p_T Distributions
2011/1/7
In the previous paper we have argued that the LHC data on multiplicity,average transverse momentum, and charged particle transverse momentum distributions are well described with minimal modeling in t...
DNS-based measurement of the mean impulse response of homogeneous isotropic turbulence
DNS-based measurement impulse response isotropic turbulence
2010/11/16
A technique for measuring the mean impulse response function of stationary homogeneous isotropic turbulence is proposed. Such measurement is carried out here on the basis of Direct Numerical Simulati...
A new microscopic nucleon-nucleon interaction derived from relativistic mean field theory
new microscopic nucleon-nucleon interaction derived relativistic mean field theory
2011/1/7
A new microscopic nucleon-nucleon (NN) interaction has been derived for the first time from
the popular relativistic mean field theory (RMFT) Lagrangian. The NN interaction so obtained
remarkably re...