Ward identities for charge and heat currents of particle-particle and particle-hole pairs

研究成果: Contribution to journalReview article査読

抄録

The Ward identities for the charge and heat currents are derived for particle-particle and particle-hole pairs. They are the exact constraints on the current-vertex functions imposed by conservation laws and should be satisfied by consistent theories. While the Ward identity for the charge current of electrons is well established, that for the heat current is not understood correctly. Thus the correct interpretation is presented. On this firm basis the Ward identities for pairs are discussed. As the application of the identity we criticize some inconsistent results in the studies of the superconducting fluctuation transport and the transport anomaly in the normal state of high-Tc superconductors.

本文言語英語
論文番号17003
ジャーナルEPL
107
1
DOI
出版ステータス出版済み - 7 1 2014

All Science Journal Classification (ASJC) codes

  • Physics and Astronomy(all)

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