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Hamiltonian Monte Carlo with Reduced Momentum Flips
Hamiltonian Monte Carlo Reduced Momentum Flips Data Analysis Statistics and Probability
2012/5/29
Hamiltonian Monte Carlo (or hybrid Monte Carlo) with partial momentum refreshment explores the state space more slowly than it otherwise would due to the momentum reversals which occur on proposal rej...
On Stochastic Error and Computational Efficiency of the Markov Chains Monte Carlo Method
Monte Carlo simulation phase coexistence Gibbs ensemble molecular simulation multi-component system
2012/4/24
In Monte Carlo simulations, the thermal equilibria quantities are estimated by ensemble average over a sample set containing a large number of correlated samples. As the stochastic error of the simula...
System Level Numerical Analysis of a Monte Carlo Simulation of the E. Coli Chemotaxis
Numerical Analysis Monte Carlo Simulation the E. Coli Chemotaxis
2010/11/16
Over the past few years it has been demonstrated that "coarse timesteppers" establish a link between traditional numerical analysis and microscopic/ stochastic simulation. The underlying assumption o...
上模拟了SU(2)纯规范场系统的热力学量,并讨论了有限大小效应和实现连续物理极限问题.结果表明:利用非对称点阵易于模拟格点规范场的热力学行为,也易于讨论趋向连续物理的各种极限.本文还把纠偏抽样技巧用于格点规范场的Monte-Carlo模拟,不但提高了计算效率,还能更好地计算热容Cv的温度行为.
SU(2)格点规范Monte-Carlo的非禁闭迹象
格点规范 非禁闭迹象 Monte-Carlo
2009/5/21
本文用蒙特卡罗模拟方法讨论了SU(2)纯格点规范场(83×4点阵)的有限温度问题及其相应的零温问题(84点阵).并计算了系统的能量密度、热容和熵密度.它们的温度行为均表明在T/ΛL=40—50区域有非禁闭相变发生.
Abstract在非对称点阵(ξ=2,3)上模拟了SU(2)纯格点规范场系统的热力学行为,结果表明,非对称点阵Monte-Carlo模拟是实现快速趋向连续物理极限的有效途径.