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Author Topic: q dependent dielectric function  (Read 4167 times)

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Offline Nayab Shiraz

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q dependent dielectric function
« on: May 7, 2020, 01:15 »
Hi is it possible to calculate q dependent dielectric function in quantum ATK as done in the paper
"Ab initio study of the dielectric response of crystalline ropes of metallic single-walled carbonnanotubes: Tube-diameter and helicity effects"?
They use Time dependent DFT. If I calculate optical spectrum in quantum ATK, is q value 0 by default?
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Offline Nayab Shiraz

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Re: q dependent dielectric function
« Reply #1 on: May 8, 2020, 18:54 »
Can someone please help me on this?
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Offline Petr Khomyakov

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Re: q dependent dielectric function
« Reply #2 on: May 9, 2020, 22:58 »
The Optical spectrum analysis object does not allow for calculating the q-dependent dielectric function.
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