Timeline for Fetter and Walecka's derivation of Goldstone's Theorem
Current License: CC BY-SA 4.0
4 events
| when toggle format | what | by | license | comment | |
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| May 10, 2021 at 17:08 | comment | added | hulsey | Are you familiar with diagrammatic perturbation theory? You can prove the claim graphically to yourself if so. A disconnected diagram contributing to this correction would be the above expression with a $|\Phi_0><\Phi_0|$ inserted somewhere. This would be exactly a case where the state in question appears as an intermediate state. | |
| May 10, 2021 at 15:24 | history | edited | Qmechanic♦ |
edited tags; edited tags
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| May 10, 2021 at 15:19 | review | First posts | |||
| May 10, 2021 at 15:57 | |||||
| May 10, 2021 at 15:16 | history | asked | CrisPhy | CC BY-SA 4.0 |