Evolutionary algorithms applied to Landau-gauge fixing
نویسندگان
چکیده
منابع مشابه
Evolutionary Algorithms Applied to Landau-Gauge Fixing
Current algorithms used to put a lattice gauge configuration into Landau gauge either suffer from the problem of critical slowing-down or involve an additional computational expense to overcome it. Evolutionary Algorithms (EAs), which have been widely applied to other global optimisation problems, may be of use in gauge fixing. Also, being global, they should not suffer from critical slowing-do...
متن کاملCritical Slowing-Down in SU (2) Landau Gauge-Fixing Algorithms
We study the problem of critical slowing-down for gauge-fixing algorithms (Landau gauge) in SU(2) lattice gauge theory on a 2-dimensional lattice. We consider five such algorithms, and lattice sizes ranging from 82 to 362 (up to 642 in the case of Fourier acceleration). We measure four different observables and we find that for each given algorithm they all have the same relaxation time within ...
متن کاملLandau gauge fixing on GPUs
We explore the performance of CUDA in performing Landau gauge fixing in Lattice QCD, using the steepest descent method with Fourier acceleration. The code performance was tested in a Tesla C2070, Fermi architecture. We also present a study of the string tension at finite temperature in the confined phase. The string tension is extracted from the color averaged free energy and from the color sin...
متن کاملImproved Landau Gauge Fixing and Discretisation Errors ∗
Gauge fixing in lattice gauge theory simulations is crucial for many calculations e.g. the study of gauge dependent quantities such as the gluon propagator [1]. However, the standard lattice Landau gauge condition [2] is the same as the continuum condition, ∑ μ ∂μAμ = 0, only to leading order in the lattice spacing, a. The focus of this talk is to use mean-fieldimproved perturbation theory [3] ...
متن کاملLandau gauge fixing on the lattice using GPU ’ s
In this work, we consider the GPU implementation of the steepest descent method with Fourier acceleration for Laudau gauge fixing, using CUDA. The performance of the code in a Tesla C2070 GPU is compared with a parallel CPU implementation.
متن کاملذخیره در منابع من
با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید
ژورنال
عنوان ژورنال: Nuclear Physics B - Proceedings Supplements
سال: 1999
ISSN: 0920-5632
DOI: 10.1016/s0920-5632(99)85228-1