Mean field theory of high Tc cuprate superconductivity
Publish place: The Physics Society Of Iran، Vol: 6، Issue: 3
Publish Year: 1385
Type: Journal paper
Language: English
View: 412
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Document National Code:
JR_PSI-6-3_010
Index date: 20 January 2019
Mean field theory of high Tc cuprate superconductivity abstract
Two decades ago the epoch making discovery of high Tc cuprate superconductivity by Bednorz and Müller shocked the world’s superconductivity community. However, already in 1979 and 1980, the first heavy fermion superconductor CeCu2Si2 and organic superconductor (TMTSF)2PF6 have been discovered respectively. Also we know now that all these superconductors are unconventional and nodal. Further the quasiparticles in the normal state in these systems are Fermi liquids and the superconductingstates are described in terms of generalized BCS wave function. Also the pseudogap phase in underdoped high Tc cuprates is described in terms of d-wave density wave. This implies necessarily that the superconductivity in underdoped cuprates is gossamer (i.e. d-wave superconductivity coexists with d-wave density wave). We shall present some quantitative tests of these new concepts, notions and ideas.
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Mean field theory of high Tc cuprate superconductivity authors
K Maki
Department of Physics and Astronomy, University of Southern California, Los Angeles, CA ۹۰۰۸۹-۰۴۸۴
S Haas
Department of Physics and Astronomy, University of Southern California, Los Angeles, CA ۹۰۰۸۹-۰۴۸۴
H Won
Department of Physics, Hallym University, Chuncheon ۲۰۰-۷۰۲, South Korea
B Dóra
Department of Physics, Budapest University of Technology and Economics, H-۱۵۲۱ Budapest, Hungary