Electrical Field issue

[Yiming Yang]

Dear Pankaj,

Just several simple questions:

1.what is the default unit of the electrical field?
2.If I want to apply a electrical pulse, which parameter should I change?

Thank you for the information.

Best regards!

Yiming

On Tuesday, June 10, 2014 2:11:03 PM UTC+2, Pankaj Mishra wrote:
>
> Dear Yang, 
>
> There is a possibility of  bug in EFIELD routine. There is a discussion in 
> the group that may help you.
>
>
> https://groups.google.com/forum/#!searchin/cp2k/Efield/cp2k/kH_a6k21FLQ/IZAphZhKtkMJ
>
> Enjoy 
>
> Regards-
> Pankaj
>  
>
> On Tuesday, 10 June 2014 13:52:30 UTC+2, Yiming Yang wrote:
>>
>> Dear CP2K users,
>>
>> I want to study a system of a molecule on the surface of Si(100).
>>
>> Now, I am trying to apply electrical field or electrical pulse to 
>> approach the experimental results.
>>
>> But when I wrote in my input file as followed, it turns out error.
>>
>>       &EFIELD
>>          ENVELOP RAMP
>>          INTENSITY 4E+07
>>          POLARISATION 0.0 0.0 1.0
>>          &RAMP_ENV
>>          END_STEP_IN    25
>>          END_STEP_OUT   35
>>          START_STEP_IN  20
>>          START_STEP_OUT 30
>>          &END
>>       &END EFIELD
>>
>> I will attach my input file with this topic.
>>
>> Thanks in advance
>>
>> Yiming
>>
>
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