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One‐Particle Excitation Spectrum in a Bisoliton Model of Superconductivity
Author(s) -
Ermakov V. N.,
Kruchinin S. P.
Publication year - 1989
Publication title -
physica status solidi (b)
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.51
H-Index - 109
eISSN - 1521-3951
pISSN - 0370-1972
DOI - 10.1002/pssb.2221560133
Subject(s) - superconductivity , condensed matter physics , realization (probability) , physics , excitation , particle (ecology) , spectrum (functional analysis) , character (mathematics) , energy spectrum , dielectric , superconducting transition temperature , quantum mechanics , mathematics , oceanography , statistics , geometry , geology
A bisoliton model of high‐temperature superconductivity is formulated in terms of one‐particle states. The transition to a superconducting state is shown to be accompanied by the energy spectrum rearrangement. The dielectric gap typical for BCS theory is appeared. Its dependence on concentration of carriers is of nonmonotonous character. The conditions for realization of a bisoliton mechanism of superconductivity are considered.