Timeline for Explaining Ohm’s Law using quantum mechanics
Current License: CC BY-SA 4.0
8 events
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| Mar 11, 2021 at 18:10 | comment | added | Sebastian Riese | You need either to do linear response theory (and why the higher orders are negligible) or discuss the quantum Boltzmann equation to do this. Both require understanding of a lot of concepts well beyond elementary QM. In my opinion, explaining the Drude model (and its limitations due to QM, namely the Fermi statistics) is a better path didactically. | |
| Mar 11, 2021 at 17:52 | comment | added | user394334 | @SebastianRiese So there is no way to explain it simple qualitatively why the work the resistance does increase with increasing current(using quentum mechanics)? I completely understand that it would be too difficult to derive the equations etc.. | |
| Mar 11, 2021 at 17:48 | comment | added | Sebastian Riese | That is true (although the quantum result for the conductivity formally looks just the same as the Drude result, you just have to interpret the quantities a bit differently). If you want an explanation that's correct in detail, you need advanced quantum mechanics – the Drude model offers an easy to understand explanation of the linear relation. | |
| Mar 11, 2021 at 17:48 | history | edited | Qmechanic♦ | CC BY-SA 4.0 |
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| Mar 11, 2021 at 17:44 | comment | added | user394334 | @SebastianRiese From the answer I got from Dale he said that the Drude model wasn't correct and that we need to use quantum physics instead. | |
| Mar 11, 2021 at 17:42 | history | edited | G. Smith | CC BY-SA 4.0 |
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| Mar 11, 2021 at 17:42 | comment | added | Sebastian Riese | en.wikipedia.org/wiki/Drude_model | |
| Mar 11, 2021 at 17:40 | history | asked | user394334 | CC BY-SA 4.0 |