Timeline for How does a phonon cause two electrons to attract each other and form a cooper pair?
Current License: CC BY-SA 3.0
9 events
| when toggle format | what | by | license | comment | |
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| Oct 26, 2014 at 23:50 | comment | added | Danu | @DavidZ cool, good to know :) I personally don't really feel strongly about it, but it's good to have evertything crystal clear. Alfred, sorry for any possible inconveniences (and please, don't take it personally ;) ) | |
| Oct 26, 2014 at 23:49 | comment | added | David Z | @Danu (to echo my comments in chat) Whoa, hold on. This is not what we mean by "link-only." There's a substantial blockquote that prevents it from being link-only. As a matter of fact, assuming the quoted passage answers the question, I see nothing wrong with this answer. | |
| Oct 26, 2014 at 2:27 | comment | added | Alfred Centauri | @Danu, I understand your concern, however, my interests are elsewhere for now. I will consider expanding a little in time. | |
| Oct 25, 2014 at 18:55 | comment | added | Danu | I feel like this answer is a little too much of a case of link-only... Could you perhaps expand a little? | |
| Jun 14, 2013 at 2:48 | vote | accept | Four Seasons | ||
| Jun 12, 2013 at 18:01 | comment | added | FraSchelle | @AlfredCentauri The most important point of the Alfred Centauri's answer is obviously that the second paragraph of the Wikipedia description is a simplified classical explanation of the Cooper pairing. The Cooper pairing is better explained (to my mind) as an instability of the Fermi sea caused by electron-phonon coupling, as the first paragraph of his quotation tells you. You need a quantum mechanical treatment to understand the Cooper pairing. By the way, neither a phonon nor an electron is a classical object :-) | |
| Jun 12, 2013 at 1:53 | comment | added | Alfred Centauri | @A4KASH, I think it may be the case that you're failing to distinguish between the case of "not distorting the lattice at all" and the case of "minutely distorting the lattice". The next sentence after the quote of the article I provide is: The energy of the pairing interaction is quite weak, of the order of 10−3eV, and thermal energy can easily break the pairs. So only at low temperatures are a significant number of the electrons in a metal in Cooper pairs. | |
| Jun 12, 2013 at 1:48 | comment | added | Four Seasons | I have been reading this article since few hours and something is making me confused. I dont know how can an electron distort the lattice site even though the positive ion has much greater charge than a single electron? | |
| Jun 12, 2013 at 1:21 | history | answered | Alfred Centauri | CC BY-SA 3.0 |