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Theory of High‐Temperature Superconductivity
Author(s) -
Chen Liangheng,
Lu Tianquan
Publication year - 1991
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.2221680121
Subject(s) - antiferromagnetism , superconductivity , condensed matter physics , spins , néel temperature , physics , materials science , magnetization , magnetic field , quantum mechanics
A new mechanism for the high‐ T c superconductivity is suggested. The antiferromagnetic order of the Cu spins between two neighbour O holes, i.e. the localized antiferromagnetic correlation may be the origin giving rise to the hole pair. The maximum of T c is calculated for the YBaCuO superconductor using the similar method of calculating the antiferromagnet Neel temperature. The conclusion is made that the maximum of T c for the YBaCuO superconductor is between 107.9 and 155.2 K, and the energy gap 2Δ(0) = 3.54 k B T c .