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fliablepig新蟲 (初入文壇)
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[交流]
【求助】vasp里如何進行frozen phonon計算(在下初學(xué)者) 已有2人參與
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| 請教各位大俠,如何設(shè)定參數(shù),在vasp里實現(xiàn)frozen phonon的計算啊。在下初學(xué)者,萬分感謝。。 |
金蟲 (正式寫手)
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這是我摘錄自VASP論壇的 you can calculate the gamma-point phonons with vasp.4.6, using a frozen phonon approach please use IBRION=5 in that case, and set POTIM = 0.015 (as the harmonic limit is assumed) in case you do not need all modes, please use the Selective dymanics key in POSCAR and just allow the vibrations you are intrested in (by setting F/T ) in order to save CPU time. it is not possible to continue a broken phonon job (keeping the info) it has to be restarted from the beginning. relativistic effects can be simulated by using spin-orbit splitting (please have a look at the LSORBIT tag, and the additional parameters you have to set. |

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