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The Field Perturbation Theory of Pseudogaps in HTSC | | Moshe Dayan
; 10.1007/s10948-006-0184-4
; | | Rating: | Visitors: 2/5 (1 visitor) | | Date: |
17 Jan 2007 | | Subject: | Superconductivity | | Abstract: | Here I establish the field perturbation theory of pseudogaps in HTSC. The proposed ground state suggests an internal particle-hole field, which is normal to nesting surfaces, and having twice the Fermi wave-number. It is proved that the system violates momentum conservation by the wave-vector of this internal field. This violation applies to the quasi-particle propagators, as well as to the interactions. Interaction vertices via the Pauli matrix- are established. This, in turn, establishes the validity of the pseudogap Hartree self-energy. | | Source: | arXiv, cond-mat/0701409 | | Services: | Forum | Review | PDF | Favorites | |
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