Anisotropy of the superconducting transition temperature under uniaxial pressure
Anisotropy of the superconducting transition temperature under uniaxial pressure
Chen, X. J; Lin, H. Q; Yin, W. G; Gong, C. D; Habermeier, H.-U. D
2001-12-01 00:00:00
The superconducting transition temperature T c is calculated as a function of uniaxial pressure along the a , b , c directions for optimally doped YBa 2 Cu 3 O 7 - δ on the basis of a hole dispersion of the anisotropic t - J model. There is a good qualitative agreement with experiments. We show that the uniaxial pressure effect on T c in the ab plane is due to the anisotropies of the hole dispersion and the in-plane pairing interaction, whereas the reduction of T c under uniaxial compression along the c axis mainly results from the pressure-induced increase of hole concentration of the CuO 2 plane.
http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.pngPhysical Review BAmerican Physical Society (APS)http://www.deepdyve.com/lp/american-physical-society-aps/anisotropy-of-the-superconducting-transition-temperature-under-85k0e0tbuU
Anisotropy of the superconducting transition temperature under uniaxial pressure
The superconducting transition temperature T c is calculated as a function of uniaxial pressure along the a , b , c directions for optimally doped YBa 2 Cu 3 O 7 - δ on the basis of a hole dispersion of the anisotropic t - J model. There is a good qualitative agreement with experiments. We show that the uniaxial pressure effect on T c in the ab plane is due to the anisotropies of the hole dispersion and the in-plane pairing interaction, whereas the reduction of T c under uniaxial compression along the c axis mainly results from the pressure-induced increase of hole concentration of the CuO 2 plane.
Journal
Physical Review B
– American Physical Society (APS)
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