File:Fermi liquid bcs loop.png
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Captions
The feynman graph leading to the BCS instability of a fermi liquid.
Summary edit
| Description |
English: The Feynman graph leading to the BCS instability of a fermi liquid. An arrow outgoing from a vertex denotes the conjugated fermion field. The diagram is logarithmically divergent for Cooper pairs, i.e. for two fermions with momenta p+q = 0.
Deutsch: Das für die BCS-Instabilität der Fermiflüssigkeit maßgebliche Feynmandiagramm. Ein aus einem Vertex auslaufender Pfeil kennzeichnet das \psi-Quer-Feld. Bei p + q = 0 (Cooper-Paar) resultiert bei kleiner werdender Temperatur ein logarithmisch divergenter Wert. |
| Date | |
| Source | Own work |
| Author | Rdengler |
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 10:41, 18 February 2022 | | 171 × 104 (4 KB) | Rdengler (talk | contribs) | Uploaded own work with UploadWizard |
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