Dear   N H,
Then,how to set the valid value of PAO.Energyshift for materials like
graphene?
Is ther any formula to calculate the value of PAO.Energyshift?
Thx!

xiaolin, from ZJU

2011/1/19 N H <[email protected]>

> 800meV is too much... the basis you get from it is probably spoiled.
>
> On Wed, Jan 19, 2011 at 12:39 PM, lin xiao <[email protected]> wrote:
>
>> Dears,
>> When running optical module of siesta, I need to set the
>> parameter-'PAO.Energyshift'.
>> When i set 'PAO.EnergyShift     600 meV'(or even smaller),it runs well.
>> But when i set 'AO.EnergyShift     800 meV' (or even bigger)
>> siesta will  give a fault warning like this:
>> *
>> *
>> *
>> [yangxu@WimaxServer 20110119-12]$ forrtl: severe (174): SIGSEGV,
>> segmentation fault occurred
>> Image              PC        Routine            Line        Source
>>
>> siestaP            0894A3A1  Unknown               Unknown  Unknown
>> siestaP            0881C49B  Unknown               Unknown  Unknown
>> siestaP            0883EE95  Unknown               Unknown  Unknown
>> siestaP            0896F40A  Unknown               Unknown  Unknown
>>
>> [3]  - Segmentation fault            /opt/siesta-3.0-rc2/bin/siestaP <
>> graphene.fdf > graphene.out
>> What is wrong with it?What should i do,if i want to run optical module
>> with big value of PAO.Energyshift,for instance 1500mev?
>> Do I need to improve the value of other parameters in '.fdf' file.
>> Here is my fdf file.Hope you check it for me.
>> And thx in advance!
>>
>> xiaolin, fromZJU
>>
>>
>> *
>>
>> .
>>
>>
>
>

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