Dynamics of a hole in the spin-fermion model
β Scribed by J. Inoue; S. Akazawa; S. Maekawa
- Publisher
- Elsevier Science
- Year
- 1993
- Tongue
- English
- Weight
- 201 KB
- Volume
- 186-188
- Category
- Article
- ISSN
- 0921-4526
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π SIMILAR VOLUMES
Reliable correlation of simultaneously measured resistively, susceptibility and specific heat critical parameters of hole-underdoped YBCO permitted to establish a phenomenological model of normal-superconductor transition. After the model, fluctuations of quasifree electrons drives at T \* ) T C the
Two dimensional spin-fermion model is studied by using the perturbation method and the spin wave approximation. Non-crossing diagrams are calculated using the dominant pole approximation. As a result, we see that the renormalization parameter z is reduced as z Β’x L -1;4, where L is the linear dimens