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yambo: An ab initio tool for excited state calculations

机译:yambo:从头算的工具,用于激发态计算

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摘要

yambo is an ab initio code for calculating quasiparticle energies and optical properties of electronic systems within the framework of many-body perturbation theory and time-dependent density functional theory. Quasiparticle energies are calculated within the GW approximation for the self-energy. Optical properties are evaluated either by solving the Bethe-Salpeter equation or by using the adiabatic local density approximation. yambo is a plane-wave code that, although particularly suited for calculations of periodic bulk systems, has been applied to a large variety of physical systems. yambo relies on efficient numerical techniques devised to treat systems with reduced dimensionality, or with a large number of degrees of freedom. The code has a user-friendly command-line based interface, flexible 110 procedures and is interfaced to several publicly available density functional ground-state codes.
机译:yambo是一个从头算代码,用于在多体摄动理论和时变密度泛函理论的框架内计算电子系统的准粒子能量和光学特性。在自能量的GW近似值内计算准粒子能量。通过求解Bethe-Salpeter方程或通过使用绝热局部密度近似来评估光学性质。 yambo是一种平面波代码,尽管它特别适合于计算周期性整体系统,但已应用于多种物理系统。 yambo依赖于有效的数值技术,该数值技术被设计用于处理维数减少或自由度很高的系统。该代码具有用户友好的基于命令行的界面,灵活的110程序,并且与多个公共可用的密度功能基态代码接口。

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