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Application of the scattering rate sum-rule to the interplane optical conductivity of high temperature superconductors: pseudogap and bi-layer effects | N. Shah
; A. J. Millis
; | Date: |
26 Apr 2001 | Journal: | Phys. Rev. B 64, 174506 (2001) DOI: 10.1103/PhysRevB.64.174506 | Subject: | Strongly Correlated Electrons; Superconductivity | cond-mat.str-el cond-mat.supr-con | Affiliation: | Rutgers University | Abstract: | We use a recently proposed model of the interplane conductivity of high temperature superconductors to investigate the `scattering rate sum-rule’ introduced by Basov and co-workers. We present a new derivation of the sum-rule. The quantal and thermal fluctuations of the order parameter which have been argued to produce the observed pseudogap behavior are shown to increase the total integrated `scattering rate’ but may either increase or decrease the `quasiparticle’ contribution from frequencies greater than twice the superconducting gap. | Source: | arXiv, cond-mat/0104502 | Services: | Forum | Review | PDF | Favorites |
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