Influence of d-wave order parameter fluctuations on spill fluctuations in underdoped high-T-c cuprates

Dahm T, Manske D, Tewordt L (1997)
EPL (Europhysics Letters) 39(2): 201-206.

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We consider the effect of fluctuations of the superconducting d(x2-y2)-wave gap above T-c for the 2D Hubbard model. The order parameter fluctuations (OPFL) lead to a decrease of T-c and to a suppression of the dynamical spin susceptibility below a crossover temperature T* which can be much larger than T-c. The temperature T* increases while T-c decreases with increasing strength of OPFL, or decreasing doping. The resulting neutron scattering intensity and NMR relaxation rates decrease below T* for decreasing T. This agrees qualitatively with the observed spin gap behavior in the underdoped high-T-c cuprates.
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Dahm T, Manske D, Tewordt L. Influence of d-wave order parameter fluctuations on spill fluctuations in underdoped high-T-c cuprates. EPL (Europhysics Letters). 1997;39(2):201-206.
Dahm, T., Manske, D., & Tewordt, L. (1997). Influence of d-wave order parameter fluctuations on spill fluctuations in underdoped high-T-c cuprates. EPL (Europhysics Letters), 39(2), 201-206.
Dahm, T., Manske, D., and Tewordt, L. (1997). Influence of d-wave order parameter fluctuations on spill fluctuations in underdoped high-T-c cuprates. EPL (Europhysics Letters) 39, 201-206.
Dahm, T., Manske, D., & Tewordt, L., 1997. Influence of d-wave order parameter fluctuations on spill fluctuations in underdoped high-T-c cuprates. EPL (Europhysics Letters), 39(2), p 201-206.
T. Dahm, D. Manske, and L. Tewordt, “Influence of d-wave order parameter fluctuations on spill fluctuations in underdoped high-T-c cuprates”, EPL (Europhysics Letters), vol. 39, 1997, pp. 201-206.
Dahm, T., Manske, D., Tewordt, L.: Influence of d-wave order parameter fluctuations on spill fluctuations in underdoped high-T-c cuprates. EPL (Europhysics Letters). 39, 201-206 (1997).
Dahm, Thomas, Manske, D, and Tewordt, L. “Influence of d-wave order parameter fluctuations on spill fluctuations in underdoped high-T-c cuprates”. EPL (Europhysics Letters) 39.2 (1997): 201-206.
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