Ward-Takahashi Identity at Finite Temperature |
| |
| Authors: | Hong-Hua XU Jun SHEN Chien-Hua TSAI |
| |
| Institution: | Department of Physics and Institute of Condensed Matter Physics Jiao Tong University, Shanghai 200030, China |
| |
| Abstract: | A new real time formalism, based on the closed-time-path Green's function theory (CTPGF),is employed to obtain Ward-llfrkahashi identities of QED at finite temperature. It is shown that WT identity in coordinate space is of the same covariant form aa that in vacuum field theory. A perturbative check is provided to #how that in momentum spze, Takahashi's iden tities hold only in a weak sense. |
| |
| Keywords: | |
|
| 点击此处可从《理论物理通讯》浏览原始摘要信息 |
| 点击此处可从《理论物理通讯》下载免费的PDF全文 |
|
