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exercises:common:neb [2022/09/08 15:46] jglanexercises:common:neb [2022/09/08 21:16] jglan
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 ====== Nudged elastic band====== ====== Nudged elastic band======
-This exercise is adopted from [[exercises:2019_uzh_acpc2:ex03 here ]], which is initially created by Kristjan Eimre and Jinggang Lan+Regtest see: [[https://github.com/cp2k/cp2k/tree/master/tests/NEB|cp2k/tests/NEB/]] 
  
 +Manual see: [[https://manual.cp2k.org/cp2k-2022_1-branch/CP2K_INPUT/MOTION/BAND.html | %MOTION%BAND]]
  
 +Reference: 
 +
 +[[https://aip.scitation.org/doi/10.1063/1.1323224 | J. Chem. Phys. 113, 9978 (2000)]] for IT-NEB;
 +
 +[[https://aip.scitation.org/doi/10.1063/1.1329672 | J. Chem. Phys. 113, 9901 (2000)]] for CI-NEB
 ===== Introduction ===== ===== Introduction =====
-Consider a potential energy surface (PES) as below, the goal is to find the global (or local) minimumsuch as the minimum for reactant or product. The commonly-used algorithms include [[https://en.wikipedia.org/wiki/Conjugate_gradient_method|Conjugate gradient method +Consider a potential energy surface (PES) as below, the goal is to find the saddle pointtransition structure between reactant and prodcut. The commonly-used algorithms include [[https://manual.cp2k.org/cp2k-2022_1-branch/CP2K_INPUT/MOTION/BAND.html|NEB]],[[https://manual.cp2k.org/cp2k-2022_1-branch/CP2K_INPUT/MOTION/GEO_OPT/TRANSITION_STATE.html|DIMER]] etc
-]], [[https://en.wikipedia.org/wiki/Quasi-Newton_method|Quasi-Newton method]] and its variant [[https://en.wikipedia.org/wiki/Broyden%E2%80%93Fletcher%E2%80%93Goldfarb%E2%80%93Shanno_algorithm|BFGS method]]+
  
 {{:exercises:common:pes.jpg?400|}} {{:exercises:common:pes.jpg?400|}}
exercises/common/neb.txt · Last modified: 2022/09/08 21:16 by jglan