Dear Wien developers and users<br><br><br>I am interested to calculate the <span style="font-weight: bold;">total electric conductivity for spin polarized as Fe</span>. From the Boltztrap code the results for electric conductivity are produced for <span style="font-weight: bold;">spin up</span> and <span style="font-weight: bold;">spin down</span> separately. <br><br>I have please a question how to get the<span style="font-weight: bold;"> total electric conductivity for spin polarized case of Fe (is the total electrical conductivity is found from total density of states of ferromagnetic state ( Tot DOS tot=DOS up+DOSdn) is it correct or not</span> ? or the summation of electrical conductivity from up and down channels. The electrical conductivity is function of the unit of relaxation time, I could not figure out how to get the total electrical conductivity if I don't know the experimental value of relaxation time!!!!!!!!<br><br>I will appreciate if you
give me some hints about this point please.<br><br><br>and how can we calculate the <span style="font-weight: bold;">resistivity</span> after getting the<span style="font-weight: bold;"> total electric conductivity for spin polarized case of Fe</span>. The resistivity is the inverse of electric conductivity from definition since relaxation time is constant in this approximation?<br><br><br>I will appreciate your answer to my question.<br><br>Regards,<br><br>Halim<br><p> 
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