Thermal Operator Representation of Feynman Graphs
Fuente:
Redalyc
Gespeichert in:
| 1. Verfasser: | |
|---|---|
| Format: | Artículo científico |
| Sprache: | en |
| Veröffentlicht: |
Sociedade Brasileira de Física
2006
|
| Schlagworte: | |
| Online-Zugang: | |
| Tags: |
Tag hinzufügen
Keine Tags, Fügen Sie den ersten Tag hinzu!
|
| _version_ | 1876429609175613440 |
|---|---|
| author | Ashok Das |
| author_facet | Ashok Das |
| contents | Thermal Operator Representation of Feynman Graphs Ashok Das Física, Astronomía y Matemáticas Quantum field theory Finite temperature and thermal operator In this talk I describe an interesting relation between Feynman graphs at finite temperature and chemicalpotential and the corresponding ones at zero temperature. The operator relating the two which we call thethermal operator, simplifies the evaluation of finite temperature graphs and helps in understanding betterseveral physical questions such as cutting rules, forward scattering, gauge invariance etc at finite temperature. 2006 artículo científico 0103-9733 https://www.redalyc.org/articulo.oa?id=46436605 en http://www.redalyc.org/revista.oa?id=464 Brazilian Journal of Physics application/pdf Sociedade Brasileira de Física Brazilian Journal of Physics (Brasil) Num.4A Vol.36 |
| format | Artículo científico |
| id | redalyc_46436605 |
| institution | Redalyc |
| language | en |
| publishDate | 2006 |
| publisher | Sociedade Brasileira de Física |
| spellingShingle | Thermal Operator Representation of Feynman Graphs Ashok Das Física, Astronomía y Matemáticas Quantum field theory Finite temperature and thermal operator Thermal Operator Representation of Feynman Graphs Ashok Das Física, Astronomía y Matemáticas Quantum field theory Finite temperature and thermal operator In this talk I describe an interesting relation between Feynman graphs at finite temperature and chemicalpotential and the corresponding ones at zero temperature. The operator relating the two which we call thethermal operator, simplifies the evaluation of finite temperature graphs and helps in understanding betterseveral physical questions such as cutting rules, forward scattering, gauge invariance etc at finite temperature. 2006 artículo científico 0103-9733 https://www.redalyc.org/articulo.oa?id=46436605 en http://www.redalyc.org/revista.oa?id=464 Brazilian Journal of Physics application/pdf Sociedade Brasileira de Física Brazilian Journal of Physics (Brasil) Num.4A Vol.36 |
| title | Thermal Operator Representation of Feynman Graphs |
| topic | Física, Astronomía y Matemáticas Quantum field theory Finite temperature and thermal operator |
| url | https://www.redalyc.org/articulo.oa?id=46436605 |