Concentration of Charge Carriers and Anomalous Gap Parameter in the Normal State of High-$T_c$ Superconductors

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dc.creatorArulsamy, Andrew Das
dc.date2002-04-29
dc.date.accessioned2026-07-07T02:45:15Z
dc.date.available2026-07-07T02:45:15Z
dc.descriptionFermi-Dirac statistics has been utilized by introducing the average ionization energy ($E_I$) as an additional anomalous energy gap in order to derive the two-dimensional concentration of charge carriers and the phenomenological resistivity model for the superconducting polycrystalline materials. The best fitted values of $E_I$ and the charge carriers' concentration ranges in the vicinity of 4 to 9 meV and 10$^{16}$ m$^{-2}$ respectively for the superconducting single crystal samples and polycrystalline compounds synthesized with various compositions via solid-state reactions. The phenomenological resistivity model is further redefined here based on the gapless nature of charge-carriers' dynamics within the Cu-O$_2$ planes that corresponds to anomalous Fermi liquid behavior, which is in accordance with the nested Fermi liquid theory.
dc.descriptionTo be published in Phys. Lett. A
dc.identifierhttps://arxiv.org/abs/cond-mat/0204601
dc.identifierhttp://arxiv.org/abs/cond-mat/0204601
dc.identifierPhys. Lett. A 300 (2002) 691.
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/19231
dc.subjectSuperconductivity
dc.subjectStatistical Mechanics
dc.titleConcentration of Charge Carriers and Anomalous Gap Parameter in the Normal State of High-$T_c$ Superconductors
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