BSE hBN Yambo Virtual 2021 version: Difference between revisions

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This is a modified version of the tutorial prepared for the Yambo 2021 virtual school.
This is a modified version of the tutorial prepared for the Yambo 2021 virtual school.
We are going to compute optical absorption spectra when strong excitonic effects are present via the Bethe-Salpeter equation.


We will use bulk hBN as an example system. Before starting, you need to obtain the appropriate tarball. See instructions on the [[Tutorials|main tutorials page]]. <br>
We will use bulk hBN as an example system. Before starting, you need to obtain the appropriate tarball. See instructions on the [[Tutorials|main tutorials page]]. <br>
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# [[How to analyse excitons|Analyse your results (optical absorption spectra, exciton wavefunctions, etc.)]]
# [[How to analyse excitons|Analyse your results (optical absorption spectra, exciton wavefunctions, etc.)]]
# [[BSE solvers overview|Solve the BSE eigenvalue problem with different numerical methods]]  
# [[BSE solvers overview|Solve the BSE eigenvalue problem with different numerical methods]]  
# [[Obtaining a converged optical spectrum|Choose the input parameters for a meaningful converged calculation]]
# [[How to choose the input parameters|Choose the input parameters for a meaningful converged calculation]]

Revision as of 09:33, 16 March 2021

This is a modified version of the tutorial prepared for the Yambo 2021 virtual school.

We are going to compute optical absorption spectra when strong excitonic effects are present via the Bethe-Salpeter equation.

We will use bulk hBN as an example system. Before starting, you need to obtain the appropriate tarball. See instructions on the main tutorials page.
We strongly recommend that you first complete the First steps: a walk through from DFT to optical properties and GW hBN Yambo Virtual 2021 version tutorials.

In this tutorial you will learn how to:

  1. Perform a Bethe-Salpeter calculation from beginning to end
  2. Analyse your results (optical absorption spectra, exciton wavefunctions, etc.)
  3. Solve the BSE eigenvalue problem with different numerical methods
  4. Choose the input parameters for a meaningful converged calculation