Timeline for Momentum conservation in correlation functions
Current License: CC BY-SA 4.0
18 events
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| Apr 13, 2022 at 6:30 | history | edited | Kouta Dagnino | CC BY-SA 4.0 |
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| Apr 13, 2022 at 6:23 | comment | added | Kouta Dagnino | Yes thank you for the advice. I'll fill in some details that i have omitted. | |
| Apr 12, 2022 at 20:38 | comment | added | hft | I'm just saying that if you are looking for someone to answer your question you might want to make it easy for them. Not everyone is going to know or assume this from context and almost no one is going to look up the section of Mahan you are referring to. The question should be as complete as possible without reference to the textbook... | |
| Apr 12, 2022 at 20:36 | comment | added | hft | Yeah, but you don't state that in your question. It's stated in the textbook as an assumption. You also don't state that p and k refer to different sides of the junction. | |
| Apr 12, 2022 at 20:35 | comment | added | Kouta Dagnino | From the fact that the two sides of the tunnelling junction are independent of each other and don't interact. | |
| Apr 12, 2022 at 20:15 | comment | added | hft | Follows trivially from what? | |
| Apr 12, 2022 at 19:42 | review | Close votes | |||
| Apr 27, 2022 at 3:09 | |||||
| Apr 12, 2022 at 19:33 | comment | added | Kouta Dagnino | Yes but the factoring of the correlator follows trivially, the selection of the momenta is what is not immediately trivial to me. Could you point me to where I have made typographic mistakes? | |
| Apr 12, 2022 at 19:24 | comment | added | hft | It's not clear to me how anyone could answer this question as written. It should be edited or closed. | |
| Apr 12, 2022 at 19:23 | comment | added | hft | You seem to have mistyped and elided a lot of what is in Mahan. In the both cases, the Hamiltonian is for tunneling and the p and k are on different sides of the barrier and so the correlator separates into a product for the left and right sides of the junction. You need to include details like this or you will not receive a meaningful answer. | |
| Apr 12, 2022 at 19:07 | comment | added | Kouta Dagnino | Third edition, thanks for the help. | |
| Apr 12, 2022 at 18:59 | comment | added | hft | OK, I would have to read the passage in Mahan to understand. What edition of the textbook do the page numbers refer to? | |
| Apr 12, 2022 at 18:39 | comment | added | Kouta Dagnino | i do not think so since both equations pop up from the same tunnelling hamiltonian, they just represent different contributions to the current. | |
| Apr 12, 2022 at 18:02 | comment | added | hft | Are the matrix elements $T_{kp}$ different in the first/second and third/fourth equations? | |
| Apr 12, 2022 at 17:44 | history | edited | Kouta Dagnino | CC BY-SA 4.0 |
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| Apr 12, 2022 at 17:44 | answer | added | Roger V. | timeline score: 0 | |
| Apr 12, 2022 at 17:41 | history | edited | Kouta Dagnino | CC BY-SA 4.0 |
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| Apr 12, 2022 at 17:34 | history | asked | Kouta Dagnino | CC BY-SA 4.0 |