IBSE: Difference between revisions
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{{TAGDEF|IBSE| | {{TAGDEF|IBSE|0 {{!}} 1 |0}} | ||
Description: {{TAG|IBSE}} can be used to select the algorithm for solving the Bethe-Salpeter or Casida equation. | Description: {{TAG|IBSE}} can be used to select the algorithm for solving the Bethe-Salpeter or Casida equation. | ||
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The following options are available to solve the Bethe-Salpeter or Casida equation: | The following options are available to solve the Bethe-Salpeter or Casida equation: | ||
*{{TAG|IBSE}} = 0: [[Bethe-Salpeter equations#Exact diagonalization|Exact diagonalization]] | *{{TAG|IBSE}} = 0: [[Bethe-Salpeter equations#Exact diagonalization|Exact diagonalization]] | ||
*{{TAG|IBSE}} = 1: [[Bethe-Salpeter equations#Time evolution|Time evolution]] | *{{TAG|IBSE}} = 1: [[Bethe-Salpeter equations#Time evolution|Time evolution]] | ||
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The following options are available to solve the Bethe-Salpeter or Casida equation: | |||
*{{TAG|IBSE}} = 0: [[Bethe-Salpeter equations#Exact diagonalization|Exact diagonalization with old BSE driver]] | |||
*{{TAG|IBSE}} = 1: [[Bethe-Salpeter equations#Time evolution|Time evolution with new BSE driver]] | |||
*{{TAG|IBSE}} = 2: [[Bethe-Salpeter equations#Exact diagonalization| Exact diagonalization with new BSE driver]] | |||
*{{TAG|IBSE}} = 3: [[Bethe-Salpeter equations#Lanczos algorithm|Lanczos algorithm with new BSE driver]] | |||
{{NB|mind| The new BSE driver is only available for VASP version 6.5.0 and above.}} | |||
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== Related tag and articles == | == Related tag and articles == | ||
{{TAG|IBSE}}, | {{TAG|IBSE}}, | ||
Latest revision as of 12:02, 15 October 2024
IBSE = 0 | 1
Default: IBSE = 0
Description: IBSE can be used to select the algorithm for solving the Bethe-Salpeter or Casida equation.
The following options are available to solve the Bethe-Salpeter or Casida equation:
- IBSE = 0: Exact diagonalization
- IBSE = 1: Time evolution
Related tag and articles
IBSE, BSEPREC, NBANDSV, NBANDSO, CSHIFT, OMEGAMAX, BSE calculations, Time-dependent density-functional theory calculations, Bethe-Salpeter equations