Quasi-normal occupancy for high-Tc superconductor cuprates
Por:
Méndez-Moreno R.M., Moreno M., Orozco S., Ortiz M.A., de la Mora P.
Publicada:
1 ene 1994
Resumen:
A model with quasi-normal occupancy is applied to several typical high-Tc superconductors obtaining tighter-bound Cooper fermion pairs. Within this model a small energy gap of the order of the Debye energy near the Fermi surface is proposed. An important physical requirement of the model is that the anomaly in the occupancy occurs simultaneously to the pair formation. The role of the variation of the ratio R = 2?0 ?Tc in the range 2 - 10 is studied. The phonon barrier can be overcomed and then obtain a good description of high-Tc superconductor cuprates in all the range of values for R suggested by experimental results. © 1994.
Filiaciones:
Méndez-Moreno R.M.:
Departamento de Física, Facultad de Ciencias, Universidad Nacional Autónoma de México, Apartado Postal 21-092, 04021 México, D.F, Mexico
Moreno M.:
Instituto de Física, Unibersidad Nacional Autónoma de México, Apartado Postal 20-364, 01000 México, D.F
Orozco S.:
Departamento de Física, Facultad de Ciencias, Universidad Nacional Autónoma de México, Apartado Postal 21-092, 04021 México, D.F, Mexico
Ortiz M.A.:
Departamento de Física, Facultad de Ciencias, Universidad Nacional Autónoma de México, Apartado Postal 21-092, 04021 México, D.F, Mexico
de la Mora P.:
Departamento de Física, Facultad de Ciencias, Universidad Nacional Autónoma de México, Apartado Postal 21-092, 04021 México, D.F, Mexico
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