Re: [Pw_forum] Pseudopotential in calculation of interatomic force constants.

2017-11-10 Thread 方子明
optimize.) Thank you again. Best, Ziming Fang. 在2017-11-10,Lorenzo Paulatto <paul...@gmail.com>写道: -原始邮件- 发件人: Lorenzo Paulatto <paul...@gmail.com> 发件时间: 2017年11月10日 星期五 写道: [pw_forum@pwscf.org] 主题: Re: [Pw_forum] Pseudopotential in calculation of interatomic force c

Re: [Pw_forum] Pseudopotential in calculation of interatomic force constants.

2017-11-10 Thread Lorenzo Paulatto
On 10/11/17 05:38, 方子明 wrote: > Does this > mean PAW can not be used as the pseudopotential to calculate IFC? There is no reason for which a PAW pseudopotential cannot be used in a supercell. If your calculation does not converge, the reason is elsewhere. > If > not, how can I achieve the conv

[Pw_forum] Pseudopotential in calculation of interatomic force constants.

2017-11-10 Thread 方子明
Dear Experts, I have calculated the IFC for a supercell of a bulk. However, when I chose the PAW pseudopotential, it appears that no convergence has been achieved. While for USPP, the convergence can be achieved. Does this mean PAW can not be used as the pseudopotential to calculate IFC? If not,