Abstract
The condensation energy for the antiferromagnetic spin fluctuations mechanism of pairing are considered. For the calculation the method of functional integrals was used. It has been shown that the condensation energy in high-Tc superconductors is highly sensitive to the doping level, and is greatly reduced in underdoped region.We consider that this effect is due to the decreasing of the number of hot quasiparticles, which are responsible for the interaction with antiferromagnetic spin fluctuations. It is in qualitative agreement with experiment.
Key words
- Condensation energy
- spin fluctuation mechanism of pairing
- thermodynamic
- underdoped region
- pseudogap
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Kruchinin, S. (2005). Condensation Energy for Spin Fluctuations Mechanism of Pairing in High-Tc Superconductors. In: Ashkenazi, J., et al. New Challenges in Superconductivity: Experimental Advances and Emerging Theories. NATO Science Series II: Mathematics, Physics and Chemistry, vol 183. Springer, Dordrecht. https://doi.org/10.1007/1-4020-3085-1_24
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DOI: https://doi.org/10.1007/1-4020-3085-1_24
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