Stochastic hyperfine interactions modeling library
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This program has been imported from the CPC Program Library held at Queen's University Belfast (1969-2018) Abstract The stochastic hyperfine interactions modeling library (SHIML) provides a set of routines to assist in the development and application of stochastic models of hyperfine interactions. The library provides routines written in the C programming language that (1) read a text description of a model for fluctuating hyperfine fields, (2) set up the Blume matrix, upon which the evolution operator of the system depends, and (3) find the eigenvalues and eigenvectors of the Blume matrix so that theoreti... Title of program: SHIML Catalogue Id: AEIF_v1_0 Nature of problem In condensed matter systems, hyperfine methods such as nuclear magnetic resonance (NMR), Mössbauer effect (ME), muon spin rotation (ΜSR), and perturbed angular correlation spectroscopy (PAC) measure electronic and magnetic structure within Angstroms of nuclear probes through the hyperfine interaction. When interactions fluctuate at rates comparable to the time scale of a hyperfine method, there is a loss in signal coherence, and spectra are damped. The degree of damping can be used to determine ... Versions of this program held in the CPC repository in Mendeley Data AEIF_v1_0; SHIML; 10.1016/j.cpc.2010.12.042 AEIF_v2_0; SHIML; 10.1016/j.cpc.2015.10.013
本程序源自贝尔法斯特女王大学馆藏的CPC程序库（1969-2018） 摘要 随机超精细相互作用建模库（SHIML）提供了一套子程序，用于辅助超精细相互作用随机模型的开发与应用。该库采用C编程语言编写子程序，可实现三项功能：（1）读取涨落超精细场模型的文本描述；（2）构建系统演化算子所依赖的布鲁姆（Blume）矩阵；（3）求解布鲁姆矩阵的本征值与本征向量，以支撑理论…… 程序名称：SHIML 编目编号：AEIF_v1_0 问题本质 在凝聚态物质体系中，核磁共振（NMR）、穆斯堡尔效应（ME）、μ子自旋旋转（μSR）以及扰动角关联光谱（PAC）等超精细测试方法，可通过超精细相互作用探测核探针附近埃尺度内的电子与磁结构。当相互作用的涨落速率与某一超精细测试方法的时间尺度相当时，信号相干性会出现损失，谱线也会发生阻尼，其阻尼程度可用于推断…… 孟德尔莱数据（Mendeley Data）中CPC库收录的本程序版本如下： AEIF_v1_0；SHIML；DOI: 10.1016/j.cpc.2010.12.042 AEIF_v2_0；SHIML；DOI: 10.1016/j.cpc.2015.10.013
